It never did it prior to me having the dealer do a trans service on the car about 25,000 miles ago, no clue if that's just a coincidence. When the car is warm and you shift into drive, about half the time is SLAMS into drive. I've had the "driveway clunk" issue for the past 2 years/20,000 miles. The "hitch" I was feeling when the transmission was downshifting is gone and the transmission's overall operation is very smooth, just like it was before. Thus far I've been really pleased with the result. Nice thing about the XC70 is that access is pretty easy, I just pulled the car up on some 2x8 pieces and there was plenty of room to do the fluid change and level set. I wanted to be a little gentle with the fluid change given the miles on the car and unknown prior service history. Since I only used 8 quarts my plan is to do it again in a few k miles. I got the change kit from FCP which includes 8 quarts of Aisin WS fluid which is what is prescribed for my car and pretty much followed the Volvo Sweden Youtube instructions. Nothing major (most drivers probably wouldn't notice it but I have three of these cars with similar drivetrains) and I assumed the ATF had not been touched since new. I just got this car 8 months ago, have only driven it maybe 1,500 miles in that time (now has 106k) and I had noticed a little "hitch" when the transmission was downshifting from 4th to 3rd or 3rd to 2nd. Some folks have said their generic readers were giving them coolant temps, which is not correct. Just make sure that the ELM reads from the TCM because that's the correct module to read ATF temp from. you can't see it once everything is put back together.I'm sorry, no step by step.Įdited.I think I remember adapting mode is NOT recommended for fluid change.just for new installation. Also, the front bumper cover, grill has to be removed.and the hoses from the auxiliary cooler come around the side, so i had to " modify " a plastic part to allow the hoses to come through without rubbing. The cooler is one you can get from various manufacturers, but I always get the high end ones, not the " tube" ones. But the thermostat arrangement wouldn't let me, so by knowing what the capacity is, I just added new fluid from the top through the fill hole until I got within like a quart and a half.stopped the engine, buttoned everything up, and then added fluid using the proper method ( vida) for correct fluid level.I bought extra quarts, just to be sure. In all of my other vehicles, I used a hand pump to add new fluid to the return lines as the tranny pumps out the old fluid, engine running of course. I don't know how the factory accomplishes making up these lines, I'd sure like to know. In afterthought, I should have warmed up the connectors also which might have made insertion easier, but regardless, they went in and hose clamps were used to secure the lines. heat gun and was able to insert those metal, barbed connectors. So, i heated up the cut ends with a variable temp. The unknown factor was how to splice into the " hard lines". Installing an auxiliary cooler is/ was experimental because of having to deal with the "plastic" hard oil lines and the transmission thermostat that volvo uses.and is never mentioned in any thread I read.so I just couldn't recommend my install to anyone.but I have had no problems or leaks in 8500 miles. My understanding is that the tranny learns itself, but that is only with a new tranny installation only. I reset the counter as I found out from experts on this site.
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