- May 22: GM Duramax Diesel Lawsuit Awaiting Appeals Court Decision news | 11 days ago
- May 17: GM Fuel Pump Lawsuit Affects Chevy Equinox, GMC Terrain news | 16 days ago
- May 7: GM Transmission Lawsuit Affects Hydra-Matic 8L90 and 8L45 news | 26 days ago
- March 10: GM Trucks Suffer Automatic Emergency Braking Incidents recalls | 84 days ago
1989 GMC Sierra
5 Technical Service Bulletins (TSBs)
TSB List for the 1989 GMC Sierra
Technical Service Bulletins (TSBs) for the 1989 Sierra are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
SUSPENSION:REAR
-
TSB #01570
SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK. *MN Read More »
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
-
TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »
POWER TRAIN
-
TSB #990730016A
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT Read More »
EQUIPMENT:ELECTRICAL
-
TSB #PIT5586C
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) ... Read More »
EQUIPMENT:MECHANICAL
-
TSB #04-06-04-051F
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive. Read More »