Question about 1994 Cadillac DeVille
Hi, I have a 99 deville with a 4.9 engine, it runs smooth and shifts fine. But when put in park, neutral, and reverse it makes a loud knocking/rattling noise and it sounds like something was dropped in the tranny. Please help.
Could be tranny mounts, or it could be your differential going bad. Also, if you have a 4.9 instead of the 4.6 Northstar then there has been an engine swap, and you could be experiencing ATM or ECM problems.
Posted on Jan 09, 2013
Have ypu checked the fluid level in it? if the fluid level is good, you might want to replace the fluids in it
Posted on Jun 02, 2009
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Posted on Jan 02, 2017
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