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2001 PT Ltd 145,000 miles

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Old 10 Dec 2015, 12:54 pm
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Join Date: Dec 2015
Location: Tennessee
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Default 2001 PT Ltd 145,000 miles

I recently had all the belts replaced in the engine...some were originals. Had the regular maintenance oil and fluid change done also. Since then when the temp has dropped below 45 degrees,more to the point below 40.....when I start and put in gear (automatic) there is this whinning, scraping sound as I start to move. It sounds metallic and gets higher pitched the more I accelerate. However, the more I drive the higher pitch it gets and then eventually within 5 minutes the sound is gone and does not happen again until the car has been parked. At least parked overnight and the temps drop, sometimes for a few days. I had the timing belt changed about 3 - 4 yrs ago. Any ideas on this? As stated, it only happens when it has sat for a day or so in cold temps below 40. Thanks
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Old 10 Dec 2015, 03:28 pm
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Join Date: Aug 2015
Location: Lake Wales, FL
Posts: 5,011
Default Re: 2001 PT Ltd 145,000 miles

Get yourself a piece of heater hose and a funnel and carefully check each pulley with the engine running. I suspect you have a bearing going out in one of them. But, it could be any one of them. I'd start with the alternator, a/c clutch and belt idlers. I don't much think it's water pump or power steering, but you should check them too. The hose goes near the pulley and the funnel is for you to listen. Of course, some people do this with a long screwdriver or a mechanics stethoscope, if they have one.

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