RedZMonte Posted May 12, 2003 Report Share Posted May 12, 2003 My car shifts HARD as hell. is it supposed to do this or is it a sign of a unhappy tranny? Compared to my lumina and my monte it shifts much harder (not in a good way). I did a tranny service (filter/Fluid) and it still feels like it hist between gears really hard even when i am not getting on it. I noticed a Checkvalve on a vaccume line going to the tranny.. Should i replace it or add another.. i know it like a vaccume and would shift like shit if it was getting boost to the vaccume source of the tranny. Hope my tranny is not pissed. The car has needed lots of TLC i figure the tranny may need the same. Shane Quote Link to comment Share on other sites More sharing options...
GnatGoSplat Posted May 12, 2003 Report Share Posted May 12, 2003 Check your checkvalve. The end needs to be open, and the 2 smaller connections should only allow vacuum to pass through one direction. When my turbocharger wasn't supplying enough boost, I actually had a very hard shifting problem too. Replacing the turbo fixed that. Quote Link to comment Share on other sites More sharing options...
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