Hey Everyone,
I have a 1981 GMC caballero with 305/th350 combo. Typically when I drive the car over 40mph it will begin to make a humming noise, that loudens when I put my foot on the gas. The sound sticks around until around 60mph then it goes away.
I have a 10 bolt rear and im not sure what kind of guts it has in it.
As of recent the humming has got worse, it has begun to hum as low as 30mph.
Any ideas? All I can guess is its about time for some new wheel bearings and a diff fluid change. Just hope it has nothing to do with my transmission.
I have a 1981 GMC caballero with 305/th350 combo. Typically when I drive the car over 40mph it will begin to make a humming noise, that loudens when I put my foot on the gas. The sound sticks around until around 60mph then it goes away.
I have a 10 bolt rear and im not sure what kind of guts it has in it.
As of recent the humming has got worse, it has begun to hum as low as 30mph.
Any ideas? All I can guess is its about time for some new wheel bearings and a diff fluid change. Just hope it has nothing to do with my transmission.