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Crankshaft Pulley Shaking
Posted 10 August 2005 - 02:15 PM
I took it to my local mechanic whom I do trust but I doubt his ability to work on subarus, but this has never been an issue before because aside from regular maintenance I never needed a "Subaru know it all Mechanic". He told me that I need a new pulley, of course this seems to be the obvious answer but I am perplexed on why my pulley would shake to begin with? I did have this mechanic change my timing belt 5 months ago so I am assuming that he had to take this pulley off to get to the timing belt.
So my question is could he have wrecklessly done something wrong in reinstalling the pulley? It just makes no sense to me how a pulley can need replacement or would start shaking out of the blue? I am contemplating taking it into a Subaru dealership however this car has over 165K miles on it and I do not want to be bothered with a huge bill. But any suggestions from you professional folks would be appreciated. For instance if I buy the pulley can I just have my mechanic install it? Is there some special Subaru knowledge or trick that he needs to know before installing it?
Posted 10 August 2005 - 02:25 PM
yeah, he didn;t torque it down properly and it worked itself loose. i've seen this alot of times. mostly because people don't have the proper tools for the job. you better have this looked at soon before it digs into your crankshaft, thwn your really screwed!
Posted 10 August 2005 - 02:30 PM
Before retorquing to proper values, you should inspect the crank shaft, key and key way to see if it has not been damaged. If damaged, other people here who had the same experience will give you more advice.
****For the time being dont drive the car with the pulley wobbling.
Posted 10 August 2005 - 11:54 PM
You said you took it to a mechanic when all your warning lights came on, i.e. battery and brake. You're pulley's busted more than likely. There is a disc on the front of the pulley that the bolt snugs against. All that holds that disc there is glue. Once the glue dies, you no longer have a solid mechanical bond, so each time you have an abrupt change in RPM you will be able to duplicate the loss of belts, the need for a new pulley, and a possible re-keying of your crank shaft.
STOP DRIVING IT. Tow it to a shop and have them take care of it. Don't risk screwing up your crankshaft.
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