Flutter in engine compartment
01-25-2006, 10:50 AM
#1
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Flutter in engine compartment
Hi all,
Before I start putting some time, effort, and money into this, I'd like a few opinions.
2001 4Runner SR5 4x4, 52,000 miles, all stock, wife and kid's ride.
Recently starting noticing a loud "fluttering" coming from the front of the motor. It's loudest when cold, sound level goes down some after warm, but still there. I put some soap on the belt, didn't change. Tried some belt dressing (tacky spray) after, didn't change.
My question to all of you is what do you think I should check next?
Sorry if it's a simple problem, I'm used to working on old trucks that can be fixed with a BFH and duct tape.
The damn motor is so clean I'm afraid to put my dirty tools on it let alone lean on the beautiful thing. 
Before I start putting some time, effort, and money into this, I'd like a few opinions.
2001 4Runner SR5 4x4, 52,000 miles, all stock, wife and kid's ride.
Recently starting noticing a loud "fluttering" coming from the front of the motor. It's loudest when cold, sound level goes down some after warm, but still there. I put some soap on the belt, didn't change. Tried some belt dressing (tacky spray) after, didn't change.
My question to all of you is what do you think I should check next?
Sorry if it's a simple problem, I'm used to working on old trucks that can be fixed with a BFH and duct tape.
The damn motor is so clean I'm afraid to put my dirty tools on it let alone lean on the beautiful thing.
01-25-2006, 10:56 AM
#2
Contributing Member
Still might be a loose belt and it doesn't sound like it is slipping so soap and belt dressing wouldn't do much. I would just tighten up the 3 belts (AC, Alt, PS) and see if the flutter doesn't go away.
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