Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: Replace idler arm pulley
An idler arm is a steering component found on vehicles without rack and pinion steering. Your referring to an idler pulley. To replace: remove the belt, remove the bolt from the center of the pulley, replace the pulley and reinstall the belt.
Posted on Apr 17, 2009
You didn't mention the alternator, power steering pump, or water pump. In fact, any pulley other than the crankshaft one can have a bad bearing or dry seal. Remove the belt and spin each pulley while listening for any rough noise or squeal. If it was the crankshaft, it might be time to check the oil. Start the engine with the belt off to see if it does squeal. Make sure the noise isn't coming from the radiator fan(s).
Posted on Nov 17, 2009
SOURCE: I own a 2007 Jeep
The first thing I would do is remove the serpentine belt and then start the car. If the noise is still present than I would agree that the noise is in the engine whether it be the timing chain, valve train, etc.
If the noise goes away than it is being caused by an accessory. Water pump, alternator, a/c compressor, p/s pump would be suspect.
You can run it for a couple of minutes with out the belt at most. This will keep the engine from overheating since the water pump will not be turning with the belt removed.
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Posted on Aug 16, 2011
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