PROM - Detonation, Decel Pop-Backs, Hesitation & Stall

90chevy02

Number: 89-291-6E

Section: 6E

Date: January 1990

Corporate Bulletin No.: 936529

Subject: COLD START HESITATION AND STALL, LIGHT DETONATION AND DECEL POP-BACKS


Model and Year: 1989 J AND L CARS WITH 2.0L (VIN CODE 1) ENGINE AND 5 SPEED MANUAL TRANSMISSION

TO: ALL CHEVROLET DEALERS


A new CAL-PROM is now available for owners of 1989 J and L body cars with manual 5-speed transmissions. Concerns that this new CAL-PROM address include:

Light Detonation

Decel Pop-Backs

Cold Start Hesitation and Stall

All of the above concerns have been addressed in one new CAL-PROM listed below:

BROADCAST SCANNER
USAGE PROM P/N CODE I.D.

1989 J - FED. 16148390 ATZU 8401
1989 J - CAL. 16148392 ATZW 8411
1989 L - FED. 16148393 ATZX 8421
1989 L - CAL. 16148394 ATZY 8431

Parts are currently available from GMSPO.

Labor Operation Number: T0500

Labor Time: 0.4 Hours