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Old 28th March 2008, 10:09   #1
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Default Palio 1.2 NV: strange sound with ac on!!!

off late whenever i switch on the airconditioner of my car (palio 1.2 nv petrol), a loud 'ktrr ktrr Ktrr' noise comes from the bonnet. the noise stays there for good 5 to 6 minutes and sometimes it stays for longer. the sound is like somebody is cutting is cutting a thick sheet of steel with a chain saw.


your suggestions please!
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Old 28th March 2008, 10:20   #2
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There must be something like paper or some junk touching your blower fan dude. As i had this problem in the esteem and we found lots of junk as a rat had made its house in our car. It may be the culprit
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Old 28th March 2008, 10:24   #3
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maddy, excuse me for my ignorance but can you pls tell me where's the blower fan situated?
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Old 28th March 2008, 10:26   #4
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immediately go to the mechanics and clean the blower of the AC. the blades are hitting something inside.
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Old 28th March 2008, 10:29   #5
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Your A/C compressor belt may be slipping. See if the sound goes away when the compressor is switched off (i.e turn off the AC button), but the A/C blower still on.
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Old 28th March 2008, 10:29   #6
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Would like to inform that the flow of air(from the ac vents) is smooth.

could it be some faulty bearing, which is making this noise?
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Old 28th March 2008, 10:33   #7
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Quote:
Originally Posted by spadival View Post
Your A/C compressor belt may be slipping. See if the sound goes away when the compressor is switched off (i.e turn off the AC button), but the A/C blower still on.

bang on...this is what happens....but why's the slip in belt making such wied noise?
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Old 28th March 2008, 10:37   #8
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if its a squeezing sound then its the AC belt. it doesnt make krrr sound but a harsh irritating squeezing sound. AC belts tend to get loose. u have to keep on adjusting them during services

the slip in belt will make noises. its similar to the noise when u rub ur new shoes or slippers on a polished floor.

Last edited by amit_mechengg : 28th March 2008 at 10:38.
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Old 28th March 2008, 11:00   #9
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Quote:
Originally Posted by kapilsharma80 View Post
bang on...this is what happens....but why's the slip in belt making such wied noise?
Variety of reasons - mostly if it is wet (early in the morning). Head over to the nearest A.S.S and they will tighten it for you in 5 minutes.
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Old 28th March 2008, 11:05   #10
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Quote:
Originally Posted by amit_mechengg View Post
if its a squeezing sound then its the AC belt. it doesnt make krrr sound but a harsh irritating squeezing sound. AC belts tend to get loose. u have to keep on adjusting them during services

the slip in belt will make noises. its similar to the noise when u rub ur new shoes or slippers on a polished floor.
And this sound is really an annoying one. Most of the Indicas has this sound, when the belt gets wet, and especially when the engine is started.
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