The most efficient is to lay down on your back parallel to the length of the car while working. That gives you enough clearance to work on the clutch even if you have big hands. I found that on the R the easiest way of doing this is to lift the car and remove the front RH wheel, remove the wheel well metal plate (2x 10mm plastic nuts) and fold the plastic liner up holding it like that with a clamp. I do not recommend cooper as it is a soft metal and it will quickly wear out. ), frame hanging wire, or 16 gauge cooper wire. See how it is done on a 98 V70 using bread bag clips The fix is easy and takes no more than one hour even for inexperienced folks. Keep in mind that there might be no shims under your clutch in which case the "proper" fix is clutch or even compressor replacement.īecause I'm close to dropping the engine for other work, I choose to go with the temporary fix described below. You will also need a special tool ($11 on amazon): Powerbuilt 648980 Air Conditioner Clutch Holding Tool, that you will use as a holder and also have to adapt to use as a puller (hint: use a bolt same size as the compressor axle bolt with fender washers and a nut under the holder to push the holder with the clutch out).
The fix is to remove/replace some of all the shims. It can be done with the compressor in the car but it is very difficult (someone on here has done it I forgot who). The problem is that you need to remove the clutch to do that. Volvo sells the shim kit with 0.2, 0.3, and 1mm shims (for our cars it's PN:31332161). For completeness I should mention that the "proper" fix for this problem is to adjust the clearance using the shims located between the clutch and the compressor on the compressor axle (they look like washers). There are 3 ways of fixing this problem all basically aiming to bring the clutch closer to the compressor without taking the clutch off. So here is what I learned, that may be of use to others that will surely hit this problem. The YT videos helped but again too much time spent watching lots of them.
AC COMPRESSOR CLUTCH HOW TO
I've got my AC fixed now but looking back I spent way too much time researching it with lots of search hits for "bread clips" and "cable ties" but little info on how to actually do it. I'll not get here into how to troubleshoot it. The electrical connector to the clutch is visible in front of the compressor. If the clutch does not engage it means there is no power and you should troubleshoot that. If the clutch engages then the clearance is too wide. Even if you expect it, it happens so fast that you do not have time to react!ĥ. If the clutch engages it will throw your tool around. Carefully here so you or the engine does not get hurt. Now while the engine is running use a long tool (I used a long piece of metal) gently tap the clutch that is NOT turning. If it is not turning with the AC pulley it means that you either do not have power to the clutch electromagnet or the clutch clearance is now too big due to heating of the clutch/compressor parts.Ĥ. Open the hood and look at the AC compressor clutch. Do not drive as that helps the cool the engine compartment. Assuming you do get cold air, run the car with the hood closed in warm weather if possible, until the air coming out the vents is no longer cold. Start the car, set the AC on and max cold. If you have any doubts of anything goes wrong seek a professional: doctor or auto mechanic as appropriate.ġ. This worked for me but it might not for you. I may actually be wrong on what I'm saying but I have no responsibility what so ever. And as you know I had to fix the compressor clutch clearance.Īs usual I'm not responsible for what you do or for what I say you to do. I had the well known problem with AC shouting down after a few minutes, outside temperature dependent.
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