abloy
Member
- Joined
- March 10, 2008
- Messages
- 14
- Reaction score
- 0
- City, State
- NW Ohio
- Year, Model & Trim Level
- 2000 Limited
2000 Explorer, SOHC
So, I have this annoying squeaking noise that's either completely new, or was muffled by a bad muffler in the past. Anyway, it occasionally goes away after driving, and is definitely RPM dependent and loud. I tried listening to various things with a piece of garden hose, but couldn't track it down.
So, I pulled the serpentine belt off, and spun some pulleys:
The A/C and PS seemed normal.
The Tensioner and Idler pulleys are a little worn and feel "rumbly" when spun, so its a canidate for replacement as a matter of principal. But they don't make any noise when spun.
There is a little squeak from the alternator pulley when spun. Very little.
The alternator is an obviously recently replaced part, but on a used truck, I honestly have no idea what it is. Best guess is that it is a rebuild, though the previous owner had virtually all maintenece done by a Ford stealership.
I'm temped to get a tensioner/idler/belt from rockauto and replace them, but none of them were actually noisy, and that's $80 in throwing parts at the problem.
On the other hand, the alternator made a tiny bit of squeak, so I could change its bearings out (assuming that it is no harder to work on than a CS GM alternator, etc).
Ideas?
So, I have this annoying squeaking noise that's either completely new, or was muffled by a bad muffler in the past. Anyway, it occasionally goes away after driving, and is definitely RPM dependent and loud. I tried listening to various things with a piece of garden hose, but couldn't track it down.
So, I pulled the serpentine belt off, and spun some pulleys:
The A/C and PS seemed normal.
The Tensioner and Idler pulleys are a little worn and feel "rumbly" when spun, so its a canidate for replacement as a matter of principal. But they don't make any noise when spun.
There is a little squeak from the alternator pulley when spun. Very little.
The alternator is an obviously recently replaced part, but on a used truck, I honestly have no idea what it is. Best guess is that it is a rebuild, though the previous owner had virtually all maintenece done by a Ford stealership.
I'm temped to get a tensioner/idler/belt from rockauto and replace them, but none of them were actually noisy, and that's $80 in throwing parts at the problem.
On the other hand, the alternator made a tiny bit of squeak, so I could change its bearings out (assuming that it is no harder to work on than a CS GM alternator, etc).
Ideas?
