Question about 2002 Mitsubishi Lancer

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2002 mitsu belt squeal.

I have a 02 lancer and ever since i had my belts changed (alt and timing). I have had a very loud squeal when i start my car sometimes. Generally it has to be a little damp out like dew on the grass. Any ideas i added new PS fluid and used the belt spray. The belt spray works for only the first startup. Any help would be great. Thanks

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  • joshhud Dec 20, 2008

    I had pep boys install it. I took it back to have it checked and they said it was fine.

  • joshhud Dec 20, 2008

    I said i did take it back and they said that it is just wearing in. But it is still doing it

  • joshhud Dec 21, 2008

    hey mad mazda, so do you think its loose? isnt that something i could tighten myself, because pepboys is no help?

  • joshhud Dec 21, 2008

    it is a US lancer 2.0 liter. I think its a 4G94 engine. Let me know if you need more info. Thanks.

  • thehooker Jan 25, 2009

    belt squeels



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Belt squeal when there to lose.
it sounds like the mechanics have not tighten up your belt enough take it back and get them to give it a knip up and see how it gos.

Posted on Dec 20, 2008

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  • ash seder Dec 20, 2008

    how can you install a smooth belt instead of ribbed it doesn't happen.

    the term the belt is wearing in is a B.S term mechanics use because they cant be stuffed getting under the car and adjusting it.
    belt don't were in if the belt has worn in its time to replace it.

    seen it all before mate 12 years as a mechanic and 5 of those at mits

    you got your self a lazey mechanic

  • ash seder Dec 21, 2008

    yeah mate it is very easy is the car a ce lancer our a cg lancer they changed over around that time
    also what engine is it running 1.5-1.8.ect.. and what belt did you have replaced there are more then one belt.

    your best bet is when the engine is off grab a belt and pull it up and down to see how much movement there is if it is moving up and down more then 1 cm that will properly be the belt.

    try no to spray belts with belt grip or crc/wd40 as it is not the best for them

    do this quick check and let me no the model and ill give you a run through
    i might be able to give you a diagram if you need be

  • ash seder Dec 23, 2008

    i have done some research and it appears that the car only runs one belt known as a serpentine belt.
    now the only way this can squeal is if they put a belt on that was to long eg. if they ran out of stock and got a generic belt that was not quite the right size our if the spring loaded belt tenshioner has got a week sring so first up what you need to do is go to your car and grab the belt ( enggine off ) and pull on it dose it feal like it moves a long way our is there a lot of spring laded tenshin then let me no and ill intruct you from there


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I don't really want to say this but It seems that you may have installed a smooth belt instead of a ribbed belt on one of the components.

Posted on Dec 20, 2008


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i checked the engine at, a manufacturer of timing belts. the '02 lancer is listed as an interference engine. that means if the belt broke while the engine was running, you might have some damage to the valves. also if it is slightly out of time, the problem could occur. you must make sure the timing is spot on, which may require going back into the timing belt and checking crank and cam position. you may also have to tear the valve train down and check for damage

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Shortly after replacing the serpentine belt in my lancer, the same thing happened. It is NOT the timing belt. Belts squeal when they slip. If your timing belt slipped it would cause your car to run funny.

have somebody check the belt for wear (or do it yourself), replace if necessary. If it doesn't need replacement, just tighten it.

If you have the 4cyl engine that I have, the tightening is kind of a pain in the ****. Not a great design by mitsubishi. There's a pulley near the front right corner of the engine in front of the alternator. the belt should be running around this pulley GROOVE SIDE OUT. This is the tension pulley.

To tighten:
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pulley toward the front of the car. (i don't remember if it's right hand thread, or left hand) This
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3) Don't forget to ReTighten the bolt in the center of the pulley.

If there's lots of cracks and pieces missing on the ribs or grooves of the belt you should replace it first.

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