Exhaust - Blue Smoke/Poor Oil Economy
89Pontiac10Bulletin Number: 89-6-46
Reference Number: 936108
Publish Date: 5/89
Subject: EXHAUST PIPE SMOKE (NEW SERVICE PART)
Models
Affected: 1989 6000 AND GRAND PRIX MODELS WITH 2.8L (VIN CODE W)
Some customers driving a 1989 6000 or Grand Prix models with a 2.8L engine (VIN Code W) may comment concerning poor oil economy and/or bluish colored smoke coming from the tailpipe.
The cause of these comments may be the valve stem seals. To repair these conditions, complete the following:
1. Check the engine serial number on the rectangular machined pad located on the left side of the engine.
If the engine serial number begins with an "A" and is between 90810 and 90922, then replace all valve stem seals with new seals. The new seasls may be obtained from GMSPO.
Seal Description Service Part Number
Inlet Valve Stem 14091807
Exhaust Valve Stem 10070125
Parts are currently available from GMSPO.
2. Perform diagnostic checks as indicated in Section 6 of the Service Manual.
Labor Operation Number For: 6000 Grand Prix
J0547 1.8 2.5
Add :
To Replace All Springs, Caps/Seals
Both Banks 1.3 Hour 1.3 Hour