Question about 2004 Ford Expedition

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What kind of hose/line is connected to the ac compressor on the right of the unit? my ac clutch broke and when it rotated it put a gash in it.

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Obviously a high pressure ac hose but you mean high side or low side? Sorry I don't know.

Posted on Apr 30, 2010

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Where is the compressor clutch assembly located on a 2002 Ford Escape?


On th AC compressor. Follow the AC hoses back to the engine. Tey connect to the compressor. The clutch is part of the pulley that turns the compressor.

Jun 20, 2015 | Ford Cars & Trucks

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How to remove and reinstall a clutch on an a/c compressor



The AC compressor continued to turn even after I pulled the 12-volt supply wire to the unit. The AC compressor exhibited no unusual symptoms that would explain the locked clutch, there was no bearing failure, no unusual noise, On the contrary, the AC continued to work properly. The Jaguar cooled as good or better than the other cars I currently own, all of which have original factory 134a AC systems. uses the GM A6 compressor, a common compressor used by a variety of General Motor's cars I was not about to disassemble a perfectly working AC system because of a defective clutch. The project starts by removing the hood. Clearance in the Jaguar engine bay is non-existent. In addition, the AC compressor is located 3 inches from the radiator top support. it is possible to do this with the hood on you will regret it. The objective is to replace the AC clutch on the car. Remove the AC compressor's front and rear bolts only. Lift the front of the compressor up to clear the top radiator support. Do not depressurize the system or remove any hoses.
Remove the center 9/16-inch nut from the compressor shaft. A special clutch holding tool is not needed if an air impact wrench is used.
install the clutch removal tool. The clutch is "press fit" to the AC compressor front shaft.
Instead of a clutch holding tool, I used a bar resting on the engine (blue arrow) to hold the tool removal nut while I turned the center stud that forces the clutch off.
The pulley is now completely visible. You will need a large snap ring pliers to remove the snap ring that secures the pulley.
Notice the towel below the compressor. Snap rings (red arrow) have a habit of flying off the pliers and disappearing forever into the engine. You are farned
The pulley is a zero clearance fit to the compressor nose. If you are lucky it will slide off by pulling on it. You will probably not be lucky. I used a puller to remove the pulley. Be careful here. You must identify what the puller can and cannot push against. The center compressor shaft must not be used as leverage to pull or push any component not on the compressor shaft. A 1 1/8-inch, 1/2-in drive socket (red arrow) will fit over the center shaft and rests on the compressor nose cone. This is my leverage point. I taped a large washer (blue arrow) to the socket to provide a contact point for the puller.
Attach puller jaws in the pulley groves and place the modified washer to rest against the nose cone. Slowly tighten the puller to remove pulley.
Locate and secure pulley key. If the key stays on the compressor shaft, do not remove it. An even bigger snap ring secures the coil assembly to the compressor. Remove the snap ring.
Remove coil assembly.
The clutch release springs (blue arrows) also appear to be in working order.
Testing the resistance of the coil assemblies indicate that they are within specs. The old coil pack reads 4.8 ohms.
The rebuilt coil pack reads 4.5 ohms.
In removing the clutch it appeared the coil was permanently energized. The clutch removal tool had to forcefully pull the clutch from the pulley. I was not about to put this coil pack back on. I cleaned the contacts on the rebuilt unit prior to installation.
Gently clean the nose cone remove any surface rust. the clutch bearing rides on this surface, it must not be damaged.
connect coil pack to compressor and install. Make sure the coil pack is attached properly to the electrical connector. There are three indicators on the rear of the coil pack that must match the corresponding holes in the compressor body (red arrow). Install big snap ring.
Clean pulley surface and install pulley. The bearing might require some slight persuasion to slide onto the nose cone. Use a drift (red arrow) that contacts the inner ring of the bearing only. Tap gently until the pulley bearing seats.
Install second snap ring. Make sure that the snap ring seats fully in the shaft grove. Tap the snap ring fully into the groove with a screwdriver if necessary. (red arrow)
Clean clutch mating surface and install clutch to the compressor. Note position of shaft key and corresponding clutch key slot. (red arrows). Make sure they line up before installing clutch to compressor shaft.
use the clutch installation tool. The front of the tool (blue arrow) screws over the threads of the exposed 9/16-inch shaft stud (yellow arrow). The nut then forces the bearing (red arrow)against the clutch face, forcing it onto the compressor shaft. One side of the bearing rotates with the nut to reduce friction as it forces the clutch onto the shaft. Note that the forces all act on the compressor shaft, not against it.
Hold the center bolt while tightening the nut down.
You are looking for a pulley clearance of .010 to .015. If you inadvertently create too close a gap, put the clutch puller back on and pull the clutch out accordingly. Replacement and or rebuilt parts are rarely perfect. You will probably get different readings at various locations around the circumference of the clutch. If the closest gap is .010 or more and the largest gap is .015 or less you are OK.
Install 9/16-inch self-locking nut and tighten. If a clutch holding tool is not available, then finish tightening this nut after the compressor belt is on and the clutch energized. This nut does not hold on or impacts the position of the clutch. It appears to be a safety precaution just in case the press fit clutch somehow comes off the compressor shaft.
Install compressor to engine. Tighten 4 bolts to engine bracket. Connect electrical connections to coil assembly. Install belts.
Turn on your vehicle and let there be cold air, good luck sorry illustrations wouldn't load to this format

on Mar 05, 2011 | Jaguar XJ12 Cars & Trucks

1 Answer

Kia sedona AC blows warm air


First check if compressor is rotating when AC switch turned on. If no, then either clutch failure or no power to clutch. You can follow the clutch wire up to the wiring harness beneath the crossmember covering the top of the radiator, stick pin in wire, check for voltage without major disassembly. If no voltage look for blown fuse. If voltage then clutch failure, must replace entire compressor.



If compressor needs replacement, then look for root cause. Most likely the suction line has a point of constriction or collapse. If so, its often visible if you know what to look for or feel for. Regardless, do not reuse a collapsed line and do not replace it with new KIA or OEM. Its a design defect. There is only one replacement that eliminates the point of constriction. It is only sold on eBay: http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=181880844799



You can buy a new compressor and filter dryer together at Advance Auto Parts and get a Limited Lifetime Warranty on their "Tough One" brand. While they seem to honor their warranty, somewhat is disbelief of what is says, I have gotten a defective new compressor, so be aware that their quality may not be as good as their warranty.




You can remove old compressor and install new yourself if you can find a means or mechanic to remove and capture the freon down to zero pressure and after reassembly a means to run a vacuum for an hour. Illegal federal offense to dispose of freon to atmosphere. PRESSURE MUST BE TOTALLY REMOVED TO ZERO BEFORE DISCONNECTING THE COMPRESOR HOSES. "O" ring gasket connections must be flushly seated with no visible gap, otherwise will blow out upon refilling and you will have to start the vacuum process over again.




Most auto part stores and even BigLots ($6) sell freon in 12 oz cans with pressure measuring dispensor hose for refilling your system.

May 28, 2014 | 2002 Kia Sedona

1 Answer

Air conditioner comes on comes out hot


the belt driven aircondisioning unit is located under the hood. there are usualy metal lines coming off of it and one should have a valve in it ...looks like a tire,air valve. when car is running, turn the AC on. the unit has a two part clutch that the belt will turn. when the AC is off...the pump or compressor will engage and the hole belt driven piece will rotate when the AC button is on. , when it is off....or not getting power to the clutch , the pully will spinn but the inside clutch will not.

iff the unit engages and turns when the AC is turned on, and still blows hot air, then you may have a leak in your refrigerant line. iff it dosnt engage, then check your fuses .if everything is good to go..then it is mostlikly a vacume issue located in the dash behind the AC switch and display that moves the vent from hot to cold....

Jun 08, 2012 | 2003 Chrysler Town & Country

1 Answer

1984 honda accord AC problem, Clutch does not engage fuse good


The clutch will not engage unless there is sufficient refrigerant in the system.

I believe the 1984 Honda originally had r-12 which is largely illegal in the U.S. nowadays in that a certified mechanic must recover and recycle that kind of refrigerant.

I would recommend that you convert it to r134a if you can afford to do this, by putting new fittings on for a quick connect on the low side.

Add about 2 or 3 cans down at the compressor's low side (low pressure) which has larger pipes than the high side (high pressure).

Charge until the hose says you have 25 psi to 45 psi on the low side while the compressor clutch is turning.

good luck to you on this problem.

Jul 08, 2010 | Honda Accord Cars & Trucks

2 Answers

What is low side in ac unit


the low side is the larger hose that goes back to the compressor.
the high side smaller line comes from the compressor to the to
the condenser ( or the unit in front of the raditor ) on any units
with r-134 from the factory the low side has a different fitting for
putting in freon. some high sides don't use any hose connectors
because there is a site glass in the line where the high side would connect.

Jun 21, 2010 | 1998 GMC Sonoma

1 Answer

Ac compressor not switching on 1986 Peugeot 505.GTI How can I test clutch wiring,. Have just aquired this car , heater blowers etc. working but ac clutch not cutting in, is there a switch I have not found....


The best thing to do first is to check the AC clutch itself if it's working, locate the air - con compressor and you will see a wire coming out from the front top of the AC-compressor, it has a connection, remove tht connection and take a piece of wire, connect it to the wire frm the AC-compressor and the other end of the wire to the battery positive terminal,by doing so you will hear a clicking sound of the clutch at the AC-compressor, better still is to start the car's engine, switch 'ON' the AC as normal, let the blower blow thn connect tht wire frm the AC-compressor to the positive side of the battery terminal and check it out if the AC-compressor rotates and also you may get in the car and see if its blowing cold air.
Please also check this -->
HEAT/COLD selector (on the dash) is not selected at HEAT...if it is thn the AC-compresor clutch will not kick in!
Hope this helps!

Dec 27, 2009 | 1986 Peugeot 505

2 Answers

99 taurus A/C stopped working want to recharge the system. HOw do I add R-134?


This can be a Difficult one. Ther are many reasons for the system to stop apart from a lack of Freon.
I presume the A/c Compressor Drive belt is good, and that the Compressor Pulley Freely Rotates, also the Clutch Drive Shaft The A/c Relay and Fuse are also good.[Look in the Fuse Boxes located Inside the Vehicle, and under the Hood]
If all is OK, then follow the A/c High Pressure line towards the Firewall from the A/c Condenser at the Radiator, and you will see a " T " fitting in the line with a Dust Cover on it, normally coloured "Red"
Based on the Freon Capacity of your system, purchase 1 more can than you think you need
Engine OFF, take the cover off the Can of R134a and inject the contents into that Port. Start the Engine and Set controls to MAX A/c and Blowers on Full Speed. Shortly after starting the A/c Compressor clutch should engage, if it does not, Stop the Engine, add more Freon and try again. If the Compressor Clutch fails to engage, you can continue again, but I would advise you Contact an Independent A/c Repairer for a physical "CHECK and ADVISE ONLY" on your system. As I said earlier, there are other reasons of failure. [eg] Leaking Compreesor Shaft Seal, Coupling "O" Ring leak, Condenser holed, H/P or L/P integral system switch failure. Defective Orifice tube, failed Accummulator. Going your way, may be a Financial choice, for which you may be lucky, but Sod's Law says that this is rarely the solution.
Even so, best of luck in your endevours.
Before I sign off, do you have access to a Set of A/c gauges, if so, test with them for a basic system pressure reading, which should be greater than 30 psi at rest, on the High Pressure side.

Aug 23, 2009 | Ford Taurus Cars & Trucks

1 Answer

01 Accent AC problems


1. Discharge/Recover the refrigerant. 2. Remove the tension bolt. a4c16f6.jpg 3. Remove the V-belt and magnetic clutch wire harness connector.
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4. Remove the suction hose and discharge hose from the compressor. 5. Remove the 4 mounting bolts on the compressor.
3bb9fac.jpg 6. Remove the compressor downwards.

INSTALLATION IN REVERSE ORDER
1. Tighten the 4 compressor mounting bolts.
2. Connect the suction hose and discharge hose to the compressor. 3. Connect the V belt. 4. Adjust the V belt tension.5. Reconnect the magnetic clutch wire harness connector.

Jun 04, 2009 | 2001 Hyundai Accent

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