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    ITstudent2006's Avatar
    ITstudent2006 Posts: 2,243, Reputation: 329
    Networking Expert
    		  
    #1

    Dec 7, 2010, 06:46 AM
    2004 Pontiac Sunfire making weird noise at startup!
    Since it's gotten cold my work car makes a high pitched screetch when I start it but then it's all good!

    Any ideas?
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Dec 7, 2010, 07:07 AM

    . Ensure the belts are properly adjusted. They may be straining the power steering/alternator bearings too much. If the serpentine belt has over 80,000 miles on it, get it replaced.

    . Power steering pump. Try partially changing the power steering fluid. I use a pump from a bottle of Curel hand lotion. Do it again a few weeks later. I recommend full synthetic power steering fluid, especially for cold winter mornings:

    AMSOIL Synthetic Power Steering Fluid

    Don't overfill the reservoir--note the fill marks on the dipstick. If the problem persists, the pump may need replacing.

    You want to also use full synthetic engine oil:

    https://www.askmehelpdesk.com/cars-t...ml#post2162069

    Oil pressure builds 7 times faster in cold weather.
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