Pontiac TSB #990730030
1992 Pontiac Grand Prix
Affected Component: POWER TRAIN:AXLE ASSEMBLY
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Pontiac for this TSB. Call your local Pontiac dealer's service department & ask for a copy of TSB# 990730030.
- Summary
- SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT