Question about 2003 Mitsubishi Lancer
I have a super high pitch loud squeal when I start my car especially if the heater fan is on. Also, annoying constant squeak while driving it that is effected by my rpms. Would this be a timing belt or serpentine belt problem? Also if its really really cold out the first start is really hard and takes a couple of turn overs to catch. (sounds like a low battery could the belt effect that?)
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.
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
help. 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.
Posted on Mar 09, 2009
Check your belt tension, and look for belt dust on the alternator. Done plenty of Mitsubishis that need the Mitsubishi belt, or they squeal, plus alternators trying to lock up and causing a squeal.
Posted on Mar 07, 2009
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Posted on Jan 02, 2017
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