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2009 Subaru Forester X 4dr Man

2009 Subaru Forester
Trim Info:
All Wheel Drive, 4 Door, 4WD Sport Utility
20 mpg city / 26 mpg hwy
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July 25, 2010, 7:48 am

 
 

Question: What are symptoms of failing timing belt

Engine has been making occasional squealing sounds (like a bad bearing in a pump or alternator). Idled very rough at a light, but then proceeded OK, check engine flashed 3 or4 times then went out and stayed out. ~4 mi later made brief scraping sound as if I ran over a bucket, and immediately stopped dead about 100yds from my driveway. Put in neutral and coasted home.


July 29, 2010, 9:29 pm

Elizabeth K
Expert Mechanic

Timing belts will work fine until they break. If broken, turning the crankshaft will not turn the camshaft. So to check if that's your problem, either do a compression check on the engine or remove the valve cover gasket and see if the camshaft is turning over when you turn the ignition to the START position. You can usually hear it when cranking the engine over with the starter... if the engine is turning over much faster than usual, that's a strong sign that the belt is broken--but you need to know what it normally sounds like to check like that.


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