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Noise when starting cold??

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Old 04-09-2015, 06:25 PM
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Noise when starting cold??

2003 G35. Every time I start it after its been sitting for at least 3-4 hours there is a loud squealing sound for 5-15 seconds and then is fine the rest of the time its on. I would assume its something with the belts but im not too experienced and figured Id ask you guys. The sound is directly affected by the engine rpm. So if the engine rpm changes so will the sound but only lasts a couple of seconds. Any info would be great. Thanks.

FIXED just needed adjusted.

Thanks for the replies.

Last edited by Ragingbull; 04-14-2015 at 02:40 PM.
Old 04-11-2015, 09:48 AM
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Most likely it's your belts. Go to the parts store a purchase a can of belt dressing. Yes, that's the name of it. Let your car run and spray a few squirts on your altenator and power steering belts. The sound should go away and no you won't hurt anything.
Old 04-11-2015, 10:37 AM
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Check for a frozen (or partially frozen) idler pully or maybe it's just a loose belt. You should have about 3/4" deflection at the top when you press on it. Jack up the car, use jack stands or ramps, and remove the engine undercover. Loosen the center nut on the pully (14mm?) and adjust using the adjuster bolt looking straight down (behind the pully) till u get less than 3/4" deflection at the top. Re-tighten the nut.

Last edited by Texasscout; 04-11-2015 at 10:44 AM.
Old 04-11-2015, 11:12 AM
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Quote:
Originally Posted by Mr. Brooks View Post
Most likely it's your belts. Go to the parts store a purchase a can of belt dressing. Yes, that's the name of it. Let your car run and spray a few squirts on your altenator and power steering belts. The sound should go away and no you won't hurt anything.
You can get the very same results using a bar of soap, then put it back in your Moms shower.
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Originally Posted by Texasscout View Post
Check for a frozen (or partially frozen) idler pully or maybe it's just a loose belt. You should have about 3/4" deflection at the top when you press on it. Jack up the car, use jack stands or ramps, and remove the engine undercover. Loosen the center nut on the pully (14mm?) and adjust using the adjuster bolt looking straight down (behind the pully) till u get less than 3/4" deflection at the top. Re-tighten the nut.
Tex, this ^ is a good but do you really expect someone that doesn't recognize the cause of the squeal to be adjusting his belts? Better idea would be to have them replaced if they're making noise, they're probably dried/cracked anyway...Gary
Old 04-12-2015, 10:34 AM
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Hey, I just posted what I did when it happened to me....

These young guys will never learn a thing if they don't roll up some sleeves and just do it.
Old 04-14-2015, 02:40 PM
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fixed!

the belt just needed adjusted. Thanks for the replies.
The Following User Says Thank You to Ragingbull For This Useful Post:
Urbanengineer (04-14-2015)

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