1990 GMC TOPKICK TSBs (2)
- Bulletin:
- 666307
- Component:
- 071000 fuel system, gasoline:storage
- Summary:
- Diesel engine - engine low power in cold weather (replace primary fuel filter). *tw
- Bulletin:
- 020864016
- Component:
- 162300 structure:body:door
- Summary:
- Subject regarding front door hinge pin / bushing wear, front door sags, or door chucking movement on 1988 through 2002 pickup and conventional medium duty models. *tt