Grand Marquis Ac Low Pressure Port

Grand Marquis Ac Low Pressure PortSpeed Control, Main Light Switch, Headlamp Dimmer. In this article, we will only be going through the AC low-pressure switch’s location. Common Bad Fuel Pressure Sensor Symptoms. You may notice only warm air blowing from the vents. Connect the recharging kit to the low-pressure (suction) port. " If pressure and duty cycle are high enough to allow running (14. The heat range numbering system used by spark plug manufacturers is not universal. Is Your AC Low Side Pressure Too High? Here's The Reason Why. Lighting Control Module, Main Light Switch (1999-2000), Headlamp Dimmer Switch (1998) 5. Low Pressure A/C port on 2000 Jeep Wrangler. The Grand Marquis caters to a special niche of drivers who value the comfort that comes with space, class and bulletproof construction. Turn off your car for 10 minutes. Moved post to the correct area. If you need to use the high pressure port professional only then its under. HI, The low pressure service port for recharging is located on the accumulator, which is by the firewall on the passenger side - see attachments Please remember to rate service using the. So, the compressor was rapidly turning on and off still. Henry Ford's Mercury Grand Marquis 2000AC Refrigerant 2000 system recharging on a hot summer day,a success and I now have icicles in my . The a/c requires recharging every year with 134a. Those pressures are fine to run the system. You can read more here and make your cookie choices. Your Recharge kit hose will only fit on that line as the high pressure hose has a much bigger quick-connect port. Direct OEM replacement for proper fit Recommended by Ford Motor Company. Then high pressure then started going down - then the compressor kicked on again. Motorcraft® A/C Clutch Cycle Switch. Get Yours Today! We have the best products at the right price. compressor Where is obd port for 2000 grand am?. From buying research to owner support, join 1. The port you're seeing with the sensor and wire on it is the high side switch. Need a small hand to reach 2003 Grand Am low pressure service port for R-134A refill. Fuel System Disabled or Offline Conditions. The low pressure service port is made of a hard plastic. where do i hook up to recharge my air conditioning - × We use cookies to help our site to work, to help us understand how it is used, and to tailor advertising on this and other sites. WIRE HARNESS - 2 BLADE LOW PRESSURE CUT-OUT. 5% trip - 20% reset), and below the High High pressure cutout (450 psig trip – 350 psig reset/G65, 82% trip – 64% reset), but the clutch is. Low side AC pressure is VERY low and high side pressure is low: restriction. Use A/C Pro's Low Pressure Port Finder tool to locate where on your car you need to start when recharging your car's air conditioner. Every auto air conditioning system has two service ports: one on the high pressure and one on the low pressure side. Show example Mercury Grand Marquis Car surges when air conditioning is on Inspection prices. Backup Lamps, Variable Assist Power Steering (VAPS), Turn Signals, Air Suspension, Daytime Running Lamps, Electronic Day/Night Mirror, Shift Lock, EATC, Speed Chime Warning (1999-2000) 6. Discussion Starter · #1 · Oct 14, 2005. We are a residential and industrial pressure cleaners in the Fawn Creek metro area of Kansas. 6 liter engine and there are to ports that look like the place but I nedd to be sure. Car AC Pressure Chart for diagnosing refrigerant. Like having a blocked condenser, having broken cooling fans can cause a lack of cooling at your condenser and could cause your car AC blowing hot air. 1997 Mercury Grand Marquis GS 8 Cyl 4. Late model vehicles with R-1234yf also have unique service fittings that are different from . Port Finder & Vehicle Specific How-To Videos. Ambient temp is the outside atmospheric temperature. Where is the low pressure port for a 1999 mercury grand-marquis? - Answered by a verified Mercury Mechanic The low pressure service port valve is located on the suction accumulator/drier. The main symptoms of a bad or failing AC Pressure Switch include: Intermittent Air Conditioning. The low side line of the system will have a larger diameter metal pipe than the high-side. In addition to cooling, freon lubricates the compressor when it runs. know that the R 134-a hoses used for recharging will only fit through the low side service port …. With the OBDII port on your vehicle, you can use a code scanner to check for DTCs. Never over-inflate above psi showed on tire sidewall. Asked by revclyburn in Neptune, NJ on May 06, 2010. This range does not include taxes and fees, and does not factor in your specific model year or unique location. 1990 Mercury Grand Marquis GS mileage: 91,000. They are built for specific vehicle applications for simple, bolt-up installations for shorter installation times, Motors are new and meet Ford fit, Direct OEM replacement for proper fit Recommended by Ford Motor Company. Locate Port - How to access the low pressure port…. I'm trying to recharge my cars ac, it's blowing hot air. I was told that all low pressure ports are the same size, so after I figured that out it was pretty obvious I had the wrong port instead of needing some sort of reducer or something. The valve re-sets itself when the pressure drops to acceptable levels and does not need replacing. Otherwise each can of Freon is about $16 now. A not so common problem could be a dirty or clogged AC condenser. Factory specifications call for 38oz of r134a refrigerant, but 3 12oz cans of r134a should be sufficent to get the system working again. The fuse panel is located below and to the left of the steering wheel by the brake pedal. Get some tips on selecting the best AC unit. High port is down by the bottom of the battery, under the upper radiator hose. Mercury Grand Marquis low AC refrigerant symptoms, how to recharge. '05-'06: Cluster, Lighting Control Module (Interior Lighting). 1996 Mercury Grand Marquis A/C Relays, Sensors & Switches. 2000 Mercury Grand Marquis A/C Compressor. 4x Caps High and Low Pressure AC A/C Caps System Valve Air Conditioning Service (Fits: Mercury Grand Marquis) 10x R134a 13mm 16mm Air Conditioning Service AC System Charging Port Caps Black (Fits: Mercury Grand Marquis) $5. I have a 2005 Mercury Grand Marquis. EVAP CROWN VIC GRAND MARQUIS 98-02 - EVAP CROWN VIC GRAND MARQUIS 98-02. Mercury Grand Marquis 2005, A/C Clutch Cycle Switch by Motorcraft®. First you will need to check the pressures at idle and record both HIGH and LOW side pressure readings. It's there to protect the compressor and is normal in an overcharge situation. Motorcraft is the way to restore the performance of your vehicle. Jump to Latest Follow Joined Oct 14, 2005 · 4 Posts. More refrigerant does not mean better cooling. Check prices & reviews on aftermarket & stock parts for your 2000 Grand Marquis Power Steering Pump. In traffic with stop and go it starts blowing hot. The AC Condenser Repair Guide. Locate Port - How to access the low pressure port 4. However, the low pressure port is made of a hard plastic, and is too small for an over the counter R-134 charging kit. After 10 minutes, start your engine and run your air conditioner at full capacity. Check out free battery charging and engine . To recharge the AC on the 2002 Ford Escort ZX2 you need to use the low pressure fill port. The charge port on the 1992-2002 crownvics is on the low. Fuel Pump Control Out of Range Conditions. 2016 Grand Tour AC low pressure port location. Open the hood of your Grand Marquis. After the air conditioning system is charged to the proper pressure, remove the charging hose from the low-side service port, (or gauges) . The process is a bit different for older cars that are not compatible with the R134a type. A/C Low High Pressure Port, where is it? 2002 Grand. P1233/p1235 grand Marquis plus AC issue. The receiver/drier is located at the firewall on the passenger side. Mercury Grand Marquis Questions. Open the hood of your Grand Cherokee. i was told to check the 'pressure' as it …. So, it's literally impossible to mess up and put A/C Pro refrigerant in the wrong place. Our list of 2 known problems, issues, recalls, and complaints reported by owners can help you fix your 1993 Mercury Grand Marquis. GMT900 Low Pressure Port for a/c. It's there to relieve an overcharged system and allows for the extra pressure to escape. Getting Started - Prepare for the repair Learn More > 2. This port is to small for an over the counter R-134 … read more Ron Z. 6L: Service type Car AC Low Pressure Hose Replacement: Estimate $619. 4PCS R134a R12 Service Port Valve Dust Cap High / Low Air Conditioning. You should find the leak and fix it. The low pressure service…. The Center for Auto Safety is the nation’s premier independent, member driven, non-profit consumer advocacy organization dedicated to improving vehicle safety, quality, and fuel economy on behalf of all drivers, passengers, and pedestrians. The parts and labor required for this service are How It …. 6L DUAL AC HIGH SIDE HOSE / LINE NEW (Fits: 2004 Mercury Grand Marquis). I would add that it is closer to the driver's side of center and under the "gutter" at the bottom of the windshield. HI, The low pressure service port …. Complete air conditioning kit for a 2007-2010 Wrangler JK with a 3. This will often trigger the check engine light and low …. Includes: Accumulator, Orifice Tube, Compressor Oil, Necessary O-Rings and Gaskets, Cap and Valve Kit. Yes that is the low pressure port. Where is the A/C recharging port on a 1996 grand marquis? Ask Your Own Mercury Question. So if your topping up your a/c yourself use the low pressure port under the hood. Where is the low pressure Freon port on a 2000 Expedition? My 1998 has it on the "silver" low side accumulator but I see only the Lo Pres Switch on the black accumulator on the 2000. From 1979 until its 2011 discontinuation, the Grand. The ports are different sizes and you will not be able to put a low side connector on the high side. You have to charge it on the low pressure side ONLY. One on the dryer (high pressure) and the other between the compressor and the orifice tube, then it would seem easy. Find how to put Freon in your car and other helpful auto A/C maintenance tips. Air Conditioning Stops Working. 6L: Service type Car AC Low Pressure Hose Replacement: Estimate $568. Low pressure hose follow- larger hose from a/c compressor In front of the firewall. Here is a picture of the Low Pressure Port: My 2003 mercury grand marquis i put the heater and only come cool air why. Be the first to answer Oct 22, 2017 • 2000 Mercury Sable. The most common symptom of a bad AC pressure switch is a non-functioning air condition system in your car. • the orifice tube has been replaced and the O-ring isn’t seated properly. To do so, you just need to find the low-pressure A/C. Notice the hole pierced in the top of the can from the can tap. How to remove the trunk actuator cable to key lock on a 03 grand marquis. Vocational, Technical or Tra 24,367 satisfied customers Mercury Grand Marqis: 1996 Mercury Grand Marquis ac blowing 1996 Mercury Grand Marquis ac blowing hot. 5 psig trip - 68 psig reset/G65, 12. 300 psi 100°F Low side pressure 50-55 psi High side pressure 315-325 psi 105°F Ambient temperature: Low side pressure 50-55 psi High side pressure 330-335 psi 110°F Ambient temperature: Low side pressure 50. If there are readings on both the high and low sides but they are not. The A/C recharge tube/fitting fits perfect on the high pressure port on the dryerdoesn't help me. What does the 2003 mercury Grand marquis low pressure port look like? The AC blows out hot air. LT2 - '93 Volvo 940 - '86 Mercury Grand Marquis - '74 Yamaha RD350; Share; Posted August 3, 2009. R redstangbob Registered Joined Jul 31, 2009 23 Posts #8 · Sep 10, 2009. Where is the low pressure ac port on a 2016 transit connect, I need to recharge ac I have a 1996 mercury grand marquis 4. When the air conditioner in your 1999 Mercury Grand Marquis starts blowing hot air, you likely have a freon leak. These pressures will vary depending on ambient temperature (temperature of the outside atmosphere), but ideally, you will want to see your low side pressure between 30-40 psi and your high side pressure between 150-175 psi. AC runs good then seems to overload and shutdown. 1999-2013 Silverado & Sierra 1500. Notes: A/C install kit, Factory Air. I'm trying to recharge my air conditioner. Find the low side port hook up your freon canister review the label and see below to ID the port/fittings on an R134a system-sorry I don't the exact location of the low…. The AC low-pressure sensor is located at the line that runs from the compressor component of the system through the evaporator or the firewall of the system, up to the condenser on the low-pressure side of the air conditioning system. Most systems are designed to blow very cold air, between 32 and 40 degrees!. When your compressor kicks on, . it hit 350 - then 375 - then 400 - then just shortly after, the compressor popped and shut off. Method 2: Jump-start The Clutch. 5volts refrenced to ground into the signal wire, this tells the Computer the pressure is in the safe …. The Mercury Grand Marquis is an automobile that was sold by the Mercury division of Ford Motor Company from 1975 until 2011. 2004 Mercury Mountaineer Premier AWD- Used Mercury Grand Marquis. You can easily recharge your car's air conditioner with A/C Pro and get your car blowing cold air again. It doesn't look like the low port is on the drier. Importantly, the AC system will disengage the compressor clutch if the Freon pressure gets too low, so this is likely to require a fix. Your Grand Marquis should take about 2-1/2 12 oz. Big O Used Cars & Trucks (527 mi away) Check Availability. SOLVED: Where is the low pressure AC port on a 2000. 2004 Mercury Grand Marquis A/C Relays, Sensors & Switches. Jump to Latest Follow Dodge Magnum, Dodge Ram Chrysler 300 and Jeep Grand Cherokee SRT8. When the air conditioner in your 2009 Mercury Grand Marquis starts blowing hot air, you likely have a freon leak. How to add freon to your 1999 Mercury Grand Marquis: hook up the can of refrigerant (likely r-134a) to the low pressure port. Key on or engine running and the PCM did not receive duty cycle signals from the FPDM. (likely r-134a) to the low pressure port. Question type: Maintenance & Repair. 6L Mercs with cracked intake manifolds; GM low efficiency; 98 grand marquis GAS TANK removal/repair; fastest grand marquis!!!!! 2000 stalling; Speeds at which shifting must occur; Grand Marquis, sound from the car; Mercury : 1993 Grand Marquis V8 58K miles. Keep in mind that when the compressor kicks on, it is natural to see a drop in pressure. Where is the R12 recharge port on a 1992 Grand Marquis? I have a 2003 Grand Prix GT and the AC recharge. For 2003 and 2004, it was sold alongside the revival of the Mercury Marauder. I want to add freon as the cool air …. Joined Dec 15, 2014 · 4 Posts. If your head is close to the level of the engine cover look right across it to the. The LOW pressure fitting is SMALLER than the HIGH pressure fitting. Asked by TheMan3030 Jul 03, 2017 at 11:39 AM about the 2000 Mercury Grand Marquis LS. (PAG or Ester Oil) Insure that the system is clean and free of contaminants (Depending on component condition, this may be a simple matter of blowing out with compressed air or liquid flushing with an air-conditioning. It is also sucking from a larger line (the low pressure side), so it is expected to see a drop in pressure. Some manufacturers numbering systems are opposite the other - for Champion. Change or restore the filter-drier. 5 MILLION GM Truck Enthusiasts every month who use GM-Trucks. I also recommend sitting down with a Chilton's Manual and learning the parts to your A/C system, especially the high-pressure and low-pressure sides, and the locations of the high-side and low-side service ports. Our dash AC is blowing cool not cold so I think that we need a little charge. 87: 2004 Mercury Grand Marquis V8-4. 2012 Chrysler Town & Country Low Pressure AC Port. Check whether the old symptoms are still there. Was very easy to use and worked . So we hooked the hoses up and the high pressure climbed very rapidly when turing the A/C on. low pressure ac port location?. This line will be one of two which travel out from evaporator core (near the firewall) and will lead to the rear of the compressor. Can someone tell me where the port is so I can recharge the unit. I connected the clutch coil direct to battery using a jumper and the coil works. Mercury Grand Marquis 2008, A/C Clutch Cycle Switch Connector by WVE®. This switch is crucial for proper A/C performance. Free In-Store or Curbside Pick Up. Grand Marquis or Lincoln Town Car or Continental. Both coming off a little manifold close to the AC …. and a 1/2 can of air compressor oil. It is located on the larger of the two hoses coming off …. The charge port on the 1992-2002 crownvics is on the low side suction accumulator. My first car was a 67 Mustang Coupe, 2nd one was a 67 Cougar XR-7, 3rd one was a 66 Mustang Coupe. From 1975 until 1982, it was the premium model of the Mercury Marquis line of full-size sedans, becoming a standalone model line in 1983. Remove the panel cover to access the fuses. Genuine OEM Ford Parts Online. I am trying to locate the low pressure port for my AC Unit. Your Recharge kit hose will only fit on that line as the high pressure …. Helps maintain a desired temperature inside your car Made of durable materials. Should be the larger hose from the air compressor Try near the drier at the passenger side firewall Where is the air condition low pressure port 1997 grand marquis…. One of the most common signs that a fuel pump is going bad is a whining sound. This code indicates that there is an issue with getting enough fuel pressure to the fuel rails. Mercury Grand Marquis Car AC High Pressure Hose Replacement costs starting from $140. The a/c is still no cooler (except out of. After taking proper safety procedures, now bring your recovery machine in front of your car. There are two ports in the air conditioning system of Grand Marquis. When your compressor kicks on, add freon to the correct pressure. But you can easily find it on any vehicle in just a couple of simple steps: Start at the A/C compressor. AC A/C Manifold Line Fits: 2003 - 2005 Crown Victoria - Town Car - Grand Marquis (Fits: 2004 Mercury Grand Marquis) $56. Mercury Grand Marquis AC not blowing hard enough. Used this to fill a new A-C system. Hello folks, I have a 2000 Wrangler and it appears that it does not conform to the normal air conditioner rules regarding high-pressure and low-pressure…. Mercury Grand Marquis 2010, A/C Clutch Cycle Switch by Motorcraft®. Could someone advise the location of the low side A/C charging port on 2003 GMC 1500HD? A/C seems less cold, and the compressor On cycle seems to be longer than other vehicles. Iced up AC lines could also mean a problem with the low pressure switch, which prevents the AC compressor from cycling on and off. If the third can won't empty try turning it upside down. You can see as high as 300 psi on the high side, because the compressor is forcing the freon through a small hose size. Customer reply replied 11 years ago. It sounds like you just didn't have a good connection on your can of refrigerant to your low-pressure port on your system. This is usually available with the oil, stop-leak and the R-134 Freon in one large combined bottle with the hose already attached for around $45 at any autoparts store and at Walmart as well. Research, compare, and save listings, or contact sellers directly from 18 2004 Grand Marquis models in Birmingham, AL. If the refrigerant pressure was good to begin with, the only thing you did was decrease the systems cooling ability. Designed to fit, form, and function just like the Premium parts you can rely on Designed to keep your A/C system in top shape. However, the low pressure port is made - Answered by a verified Mercury Mechanic. It can be either at the top or down along the side of the engine, as shown in. Classic Industries offers a wide selection of 2008 Mercury Grand Marquis parts, including 2008 Mercury Grand Marquis interior parts and soft trim, 2008 Mercury Grand Marquis exterior sheet metal, 2008 Mercury Grand Marquis moldings, 2008 Mercury Grand Marquis emblems, 2008 Mercury Grand Marquis weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. GRAND MARQUIS ALL MODELS GT ALL MODELS LS ALL MODELS AC Refrigerant Capacity 2003-2011 Models Author: LadyG Created Date: 6/20/2014 3:32:09 PM. The whining sound can indicate that the fuel pump is going out before there are any performance based issues. Replace Cap - Replace the low pressure port cap 6. Car Accessories AC R134A Valve Core Car Air Conditioning Core Needle. 1992 Grand Marquis - Check Engine Light; Pitman Arm; Free HP!!! Yahoo support group for 4. The AC system in this car was changed over years ago. Save up to $3,958 on one of 169 used Mercury Grand Marquises in Port Orange, FL. Where is the ac recharge port on a 1999 Pontiac grand am. The average cost for a Mercury Grand Marquis air conditioning refrigerant pressure switch replacement is between $301 and $313. How to add freon to your 2009 Mercury Grand Marquis: hook up the can of refrigerant (likely r-134a) to the low pressure port. Connect the end of the service hose that is not attached to the refrigerant can to the low-pressure service fitting on your vehicle. By continuing to use this site you agree to us doing so. Last summer (2006) the system worked great, it blew nice really cool air. In looking for the AC Low pressure ports I see what I think is 2 of them. Welcome to Bg pressure cleaning company. No need any gauge as long as inside outlet temperature is 20 degree+ lower …. 21 Great Deals out of 466 listings starting at $1,650. Enter your car’s make and model to find where the low pressure ac port is. Too Soon, Junior! Joined Jul 19, 2009. One of the most serious issues that can happen to your Mercury Grand Marquis ‘s engine is if it ends up with low oil pressure. 00 each at autozone, don't forget a small can of oil first. Always here's advance Always here's advance. For most of us, turning on the AC on a hot summer day is a relief. I am looking to recharge the ac. The A/C pressure switch is mounted on both the high and low sides of your A/C. You need the Low Side Service Port. Also it's good idea to clean off the port once you have the cap off, 1 grain of sand in the AC …. It’s generic, which means that it has the same meaning for the Mercury Grand Marquis as it would any other vehicle. The low side service port will have a black or blue plastic cap that needs to be removed. Remove the cap from the low pressure service port labelled L, and connect the. Compare 2000 Mercury Grand Marquis Power Steering Pump brands. Step 1: Connect The Service Hoses And Find The Low-Pressure Service Port. Sign up for FREE! Become a GM-Trucks. This code is most common on vehicles that use a returnless fuel system. How to Find the Low Pressure Port. Mercury Grand Marquis: Bad Fuel Pump → Symptoms & Diagnosis. ; Clean the exterior of the low pressure port prior to removing cap. Additional ways to find your car's port A/C SPEC DATABASE PORT DIAGRAM. If there are readings on both the high and low sides but they are not the correct specified. So choosing the right heat range is crucial for high performance engines. One is labelled H for high-pressure and the other one is labelled L for low-pressure. Mercury Grand Marquis 4th Generation - fuse box - passenger compartment. The pressure for an ordinarily operating R134a is between 22 and 57 pounds per square inch (PSI). Could be low on freon (refrigerant). When the engine is on and the AC is on high, low pressure readings should be around 30 psi and the high pressure side should be about 250 psi depending on your car. But you can easily find it on any vehicle in just a couple of simple steps: Start at …. How to Add Refrigerant to a 1992-2011 Mer…. Answered by a verified Mercury Mechanic. How to Add Refrigerant to a 1992. From the manual: The high pressure service port is located on the …. 2004 Mercury Grand Marquis Radiator Fan Assembly; 2004 Mercury Grand Marquis Thermostat; 2004 Mercury Grand Marquis A/C Heater Blower Motor; 2004 Mercury Grand Marquis A/C Hose Assembly; 2004 Mercury Grand Marquis A/C Heater Blend Door Actuator; 2004 Mercury Grand Marquis Hose (Heater) 2004 Mercury Grand Marquis Blower Motor Resistor; Show Less. Here at Andy's we have a great selection of Mercury Grand Marquis oil catch tanks from plain to fancy and everything in between. During winter season, 2004 Mercury Grand Marquis tires can be inflated 3 to 5 psi over the suggested tire pressure settings to make up for lower temperatures. Where is the low pressure AC port on a 2000 mercury sable. A/C PRO is the easy DIY car A/C repair that saves time & money. freezes,the high side pressure does not go above 150psi. HI, The low pressure service port for recharging is located on the accumulator, which is by the firewall on the passenger side - see attachments Please remember to rate service using the rating page so that I may receive credit. Mercury Cars & Trucks; Open Questions: 0 answers. We have Ford Factory direct parts for oil changes, brake replacements. Drain the compressor oil and recharge with 134a compatible oil. Murray Climate Control 2 Terminal Pressure Switch. Remove the cap from the low pressure service port labelled L, and connect the AC recharge kit. The only reset is to remove battery to reset. How to recharge AC refrigerant in Mercury Grand Marquis. The product description is, Renault adapter tool for vehicles with only one charge port. Usually there is a port that comes right out of the plastic box that is mounted to the firewall. The low side port is on the suction line which is …. No tools required besides the AC recharge hose and a bit of a reach. 1978 Mercury Grand Marquis V8-6. They are two different sizes with the low pressure being the smallest and the high pressure being much larger diameter). When in traffic, temperature gauge. 1997 Mercury Grand Marquis LS 8 Cyl 4. How to Find the Low Pressure Port. Fuse Box Diagram Mercury Grand Marquis (2003. Classic Industries offers a wide selection of 1977 Mercury Grand Marquis parts, including 1977 Mercury Grand Marquis interior parts and soft trim, 1977 Mercury Grand Marquis exterior sheet metal, 1977 Mercury Grand Marquis moldings, 1977 Mercury Grand Marquis emblems, 1977 Mercury Grand Marquis weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Save money on one of 148 used Mercury Grand Marquises near you. Check if this fits your 2000 Mercury Grand Marquis. Remember, there are two sides to the chart; we have the low and the high. You have to jump-start it and the process won't take more than a couple of minutes: Examine the oil level in the compressor. Come this past spring (2007) the AC was not working. If you're looking for do-it-yourself maintenance work, we can help you find the right Ford brake pads, air filters, spark plugs, and belts. com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. 6 liter engine and there are to ports …. know that the R 134-a hoses used for recharging will only fit through the low side service port on all the R1 to 34a cars and other vehicles and on the R-12 cars or vehicles. In technical terms, the cool air is created by blowing air from either outside your car, or from the cabin over cold coils. You can find A/C Pro on the shelves of most auto parts sto. Order Mercury Grand Marquis A/C Hose Assembly online today. There is battery voltage at low pressure switch,but not at the high pressure switch. Make sure both of the connections are . I rented a set of AC manifold gauges and bought some refrigerant, and found that the low side read 0 psi. Turn the key to the RUN position and turn the blower fan to HI. Low Pressure Service Port located between fire wall and alternator, at the 18" below. This simple fix recharges the R-134a (freon), stop leaks & gets your car A/C cold again. Mercury Grand Marquis 2004, A/C Clutch Cycle Switch by Motorcraft®. INTERPRETING PRESSURE READINGS. The oil catch tank recovers the oil forced out of the crank case so it doesn't cause a mess. The r134 DIY-recharge cans are all universal and will only fit on the Low Side Service Port (of any vehicle). Jump to Latest Follow 1 - 2 of 2 Posts. Low oil pressure will cause the engine to seize up. 1 liter,mine was below fan,under wire harness , about 6 " from compressor towards oil filter. com as a daily part of their ownership. When the pressure in your A/C rises or lowers too much, this switch turns off the compressor to protect it and the rest of the system from damage. Jim drove the full-size sedan once in a while, pulled a trailer on a couple of trips, loaning it to the mother. About three inches further toward the front of the Jeep would be the high side port. H; 39 x 39 mm OD Port; (8) Ports; Alternator Mount. Connect the service hoses of your recovery machine to the car air conditioning service ports. When the air conditioner is on and the car is running at 60 MPH, the air-conditioner blows very cold. Usually you only ever connect to the high side port …. Opens in a new window Opens an external website Opens an external website in a new window. Premium parts you can rely on Designed to keep your A/C system in top shape.