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Squeeling Noise - transmission / fan belt


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thejs
New User

Jan 13, 2012, 6:21 AM

Post #1 of 2 (2226 views)
post icon Squeeling Noise - transmission / fan belt Sign In

My car is making a noise that sounds like a fan belt squeal. the fan belts have however been replaced. It seems it is worse when AC is on. Usually just in first gear or so and it is really high pitched. Then also 90% of the time after starting it feels like i'm pulling away in 4th or 5th gear almost as I have close to no power. It is a automatic 1996 Mitsubishi Pajero Jnr.. Now from my limited knowledge I think it is a problem with the automatic transmission that isn't getting enough fluid through the feeding pipe or even maybe the a/c pulley bearings.. ???.. I changed the transmission fluid a few weeks ago but the problem persisted. Please recommend what I should look for next... Kind regards.


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 13, 2012, 7:47 PM

Post #2 of 2 (2166 views)
Re: Squeeling Noise - transmission / fan belt Sign In

If you think it is accessory drive belt or pulley noises, take each belt off one at a time and see if the noise goes away. If the noise is still there with the belts off, that would rule out accessory noises.

We don't have that vehicle here in the states, but you might want to have your vehicle's computer scanned to see if there are any codes being stored. One possibility is that the transmission is going into default. Usually in default the transmission stays in 2nd or 3rd and will also have reverse. The line pressure in the transmission in default may be at maximum and that could be the noise your hearing.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jan 13, 2012, 7:49 PM)






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