GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

rattling noise coming from engine bay on idle

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Old 07-14-09, 08:16 AM
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iamkhanz
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Default rattling noise coming from engine bay on idle

so few days ago noticed a noise starting up on the car.. i was driving a little aggressive that day...can't exactly determine where its from.. seems to get louder when ac is on. it comes and goes. just is aggravating. i don't think its anything but a rattle but was concerned.
Old 07-14-09, 09:59 AM
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Debonair
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Belt tensioner maybe. Also could be the AC pulley or AC clutch.

Last edited by Debonair; 07-14-09 at 10:41 AM.
Old 07-14-09, 10:02 AM
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Rob Daddy
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Mine was doing this only when the a/c was on. When i cut it off or was driving it would go away. Then one night the A/C compressor just went out. i popped the hood and there was black stuff in front of the compressor which led me to a failed compressor
Old 07-14-09, 08:33 PM
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iamkhanz
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oh boy so u guys think any way to save the compressor? cars got 105K on it 2001 i guess i need to take to a mechanic and lay off the AC for a bit...so hard
Old 07-14-09, 11:58 PM
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LexFather
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Spray belt fluid on the belt and see if the noise goes away. if it does temporarily it needs to be tightened. About a $200 job if I remember...
Old 07-15-09, 07:30 AM
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habeeb89
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I've heard of people getting rattling noises from the compressor and it turning out to be rocks that somehow managed to get in there...
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