1988 GMC Sierra TSBs
3 Technical Service Bulletins across 3 categories
Categories
Fuel System
1 bulletin10209734
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent...
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additive.
Transmission
1 bulletin10007838
DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.
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*TT
Suspension
1 bulletin10005412
SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK.
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*MN