TSB Document:

• 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# CAMP/93C54A.

Affected Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

Summary

GENERAL MOTORS HAS DETERMINED THAT SOME 1992-93 PONTIAC SUNBIRD MODEL VEHICLES EQUIPPED WITH A 2.0L ENGINE MAY HAVE BEEN ASSEMBLED WITH THE INCORRECT COOLANT PUMP. COOLANT MAY LEAK PAST THE INTERNAL COOLANT PUMP SEAL AND INTO THE PUMP BEARINGS. THIS MAY CAUSE PREMATURE BEARING FAILURE RESULTING IN A COOLANT PUMPING NOISE. IF NOT REPAIRED, THIS CONDITION MAY RESULT IN A LOOSE TIMING BELT TENSIONER WHICH COULD CAUSE THE ENGINE TO FAIL. TO PREVENT THIS CONDITION FROM OCCURRING, DEALERS WILL INSPECT THE VEHICLE'S COOLANT PUMP AND REPLACE THE PUMP IF NECESSARY. *TW

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