Question about 2002 Mitsubishi Galant

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Car squeals on start-up how i and what bolt do i tighten up

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  • tint ciroc Jan 10, 2013

    just got belt last year i just need to know if its just one bolt are two and location.



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This should be a loose belt problem
Open the hood and see how many belts there are . There should be from one to 5.
The belt that drives the alternator is the most likely one to sing, as the alternator is trying to put the juice back into the battery you just used by starting the car.
You may look to see how to tighten the alternator belt. The alternator is either on a sliding bracket or there is a sliding tensioner pulley to keep it tight. The belt should be quite tight.
If the belt is loose, tightening the alternator should fix it, BUT:
I see by your picture you are driving a 2002 Mitsubishi. How long ago did you change that alternator belt?
Belts today are usually needing replacement in about 5-7 years.
If you belt rubber has gotten old and hard, tightening it will only get it to break more quickly.
Be blessed as you pursue this problem.

Posted on Jan 10, 2013

Testimonial: "thanks for the info will check and post back thanks!!!!"

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  • 14 Answers

The loose belt. Some are auto tensionors. If equiped with auto tensionor check belt condition first

Posted on Jan 10, 2013


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Aloud squeal.

You need to tighten the altinator belt..
It squeels and falls off because it is too loose..
Losten the two bolt a bit on the altinator so it will move..
Put the belt on - loose is ok right now..
Use a very large scewdriver or a crowbar - find leverage - to push on the altinator in the derection that tightens the belt..
Once you have some good force on it - keep the force on it as you tighten the bolts..

This will take care of the problem.. ;o)

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Need belt diagram!

I found these 3000GT/Dodge Stealth DOHC Serpentine belt diagrams on the link below...

If you are re-using the drive belt, be sure to install it in the same orientation as it had before removal (same side facing the wheel well). Insert the belt from above. Turn it "sideways" to fit it in between the alternator pulley and the AC pipe. Correctly tension the drive belt using its tensioner pulley. Before installing the plastic covers and wheel, temporarily install the IC pipes and battery negative cable and start the engine to check the belt operation. If the belt squeals it is either misaligned or too loose. I found that my old belt squealed when installed "backwards" from how it was removed. It did not squeal when installed in the same orientation. If you have messed with both drive belts, spray a little water on one belt at a time to see which is squealing. A misalligned belt will stop squealing for a very short time after water is sprayed on it, but the squealing quickly comes back louder than before. If the belt is loose, the squealing will immediately get louder. Also note that there is just a little play in how the alternator bolts in. If misalignment is a problem, loosen all four bracket mounting bolts (this may require again removing an IC pipe), reposition the alternator, and tighten the bolts to see if this helps. Do not tighten the belt too much because this can lead to shaft bearing failure over time.

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Your Pal,

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2003 Lancer ES High pitch squeal and constant squeak

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:
1) Lightly loosen the bolt in the center of the pulley (slightly loosen, DO NOT REMOVE).
2) Under that pulley there's another bolt. You can see that the bolt goes through a piece of metal
attached to the back of the pulley. Figure out which way you need to turn the bolt to move the
pulley toward the front of the car. (i don't remember if it's right hand thread, or left hand) This
puts extra tension on the belt. You probably don't need much. Over tensioning the belt can
cause pulley bearing failure. If you haven't done this work before, ask someone for
. It's better to tighten a little bit, a few times rather than overtighten once.
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.

Happy repairing,

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