84 M1008
Full Access Member
- Joined
- May 11, 2018
- Posts
- 363
- Reaction score
- 197
- Location
- New York
- First Name
- Wayne
- Truck Year
- 1984
- Truck Model
- M1008 K30
- Engine Size
- 6.2 diesel
My hydroboost unit has a loud buzzing noise sometimes. It happened again yesterday and the strange thing about it is the belts stopped squealing when the buzzing stopped. Belt squealing is common with CUCV trucks and is associated with the dual alternator setup when the engine is cold. Any ideas?