Friday, January 8, 2010

Tranny clunking during shifting after oil & filter change?

99 Alero. Changed tranny fluid and filter, now tranny has a ';clunk'; when it shifts. Auto zone said to add 7 qts when doing this change. High milege car, 140,000. Just changed out engine with a lower mileage one. Thanks!Tranny clunking during shifting after oil %26amp; filter change?
well I have a question to ask and also a few things to look at for you. Question would be what engine do you have. there is two types of transmissions that you could have depending on engine size. the 2.2l and 2.4l used the 4T40E and the 3.4l used the 4T45E transmission. both use the same case and various internal parts, but there are some differences between them. If i remember correctly you should have had to take the fluid pressure pipes off to release the filter from its location. A common problem is that sometimes the o rings that are in there get dropped or cut when reinstalling them into there correct location again. You may have to drop the transpan again and check the pressure pipes to find out which one has a broken or missing o ring seal on it. good luck with the repair.Tranny clunking during shifting after oil %26amp; filter change?
Make sure you used the proper Fluid, best to get it from GM dealer.

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