Rattle at start up
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This is a discussion on Rattle at start up within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Just bought my first wrx, its a 2002, with 130k miles, ive noticed a rattle at start up, it does ...

  1. #1
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    Rattle at start up

    Just bought my first wrx, its a 2002, with 130k miles, ive noticed a rattle at start up, it does it every morning. It also makes a rattle when im on the highway above 4000 rpm, it stops making the noise when I shift in any gear, im thinking either valve train noise, rod bearings, piston pins or slap. Any ideas anyone.

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  3. #2
    He simply abides. SD_GR's Avatar
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    Piston slap is not uncommon. However it should go away when the car is warm. Do you not suspect the throw out bearing though?
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  4. #3
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    No I dont think its a throw out bearing, its doesn't do it when I press the clutch in, I was thinking of trying 20w50 oil since the oil change is due anyway. Maybe that will change the noise. What other common things go wrong that would cause that type of noise on these cars

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