1991 GMC K SERIES TSBs (8)
- Bulletin:
- 467401
- Component:
- 105000 power train:driveline
- Summary:
- transfer case hops out of 4-low. *tw
- Bulletin:
- 667406
- Component:
- 102000 power train:manual transmission
- Summary:
- Transfer case hops out of 4-high, or no drive in 2 or 4-high ranges and/or grinding noise (install mainshaft/range hub kit) *tw
- Bulletin:
- 764301
- Component:
- 100000 power train
- Summary:
- Slow or no engagement of front axle when 4 wd is selected (replace front axle actuator). *tw
- Bulletin:
- 98764301
- Component:
- 106000 power train:axle assembly
- Summary:
- Concerns that the colder the outside temperature is, the longer it takes for the front axle to engage when 4 wheel drive is selected, or the front axle does not engage. *yc
- Bulletin:
- 767402
- Component:
- 103000 power train:automatic transmission
- Summary:
- Complaints that four wheel drive does not engage after installation of the updated four wheel drive fast actuator. *yc
- Bulletin:
- 000604002
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement. *tt
- Bulletin:
- 990940004
- Component:
- 220000 seats
- Summary:
- General motors began providing child restrain seat top tether hardware packages to customers in the united states who requested them. *tt
- Bulletin:
- 000601019
- Component:
- 061100 engine and engine cooling:engine:gasoline
- Summary:
- Some owners may comment on high oil consumption after a gm goodwrench remanufactured 4.3l v6 engine is installed. *tt
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