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#1
02-23-2011, 05:54 PM
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Odd noise from front end
So I have looked at other threads and have done some searching under the hood. I have a weird noise coming from the front driver side of my GP. I can hear it occasionally when stopped an it's only in drive and 1-3. If I shift to neutral, reverse, or park it goes away. It also seems to go away if I let my foot off the brake. The best I can describe it it's a cross between a vibration/rattle an boiling fluid. It's not everytime I'm stopped. I recently did the LIM. Everything seems fine best I can tell. It's a 2002 GP SE 3.1. I have about 130k. Any thoughts?
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#2
02-23-2011, 07:36 PM
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Re: Odd noise from front end
Quote:
Quote:
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#3
02-23-2011, 08:16 PM
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Re: Odd noise from front end
I'm pretty sure I got all the air out. I have put over 500 miles on since I did the LIM. I have topped it off in both the radiator and resirvour as needed. I didn't use the bleeder valve since they are so prone to snap off and I didn't want to deal with it. I'm in MN and the heat has been working great as well as the engine temp which I would expect to be less than optimal if there was still air in the system. I just started noticing the sound yesterday. I don't think a sound recording would be much help. It's not real loud and over the sound of the engine it would be tough to hear in a recording. I can sure give it a try though.
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#4
02-23-2011, 09:02 PM
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Re: Odd noise from front end
Any chance the engine/transmission mount is going bad? Have you felt any vibrations?
Best regards, Oscar.
__________________
1995 Lincoln Town Car 4.6 Signature 1997 Pontiac Grand Prix GT 3.8 2000 Ford Windstar SE 3.8
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#5
03-08-2011, 03:19 PM
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Re: Odd noise from front end
It's possible. I have tried looking and listening under the hood, but can't seem to identify it. Looking at possible loose items like heat shrouds and what not. Other than being somewhat annoying the car runs great.
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#6
03-08-2011, 03:31 PM
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Re: Odd noise from front end
have you stuck a hose on there and put up to your ear to try to find it? they do got a probe as i do it runs on battery's and head phones it's like a amplafire and yo can pretty much find it rite way. so try the old hose sound have someone put brake on run it in drive and then reverse it just might be a moter mount or tranny. when you do this watch how much the moter raises in gear.
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#7
03-08-2011, 03:56 PM
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Re: Odd noise from front end
If the noise is present AND your a/c compressor is "off" then I highly suspect this noise.
http://www.autoacforum.com/messagevi...threadid=18819
__________________
Automotive A/C Engineer with: '99 IH 4700 Toy Hauler (2) '95 GEO Prizms both maroon '99 GMC Yukon '95 Chev 3500, 454 Dually Crew Cab- 145k miles- Wife's Camel trailer puller. '94 Astro- 370k miles '94 Firebird Formula- 5.7L 180k miles- gone- '92 Chevy Lumina Van 3.8L 264k '86 GMC S-15 - 2.8L 154k '87 Buick Park Ave . 187k '86 Buick Park Ave 3.8L 199k miles- gone '77 Chevy Vega- 2.5L 175k miles gone but not forgotten '68 Camaro 396 4 spd RS/SS -72k miles-
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#8
03-27-2011, 02:00 PM
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Re: Odd noise from front end
Sorry it's been a couple weeks, just go back from vacation. I have had the defrost on which would have the AC on as well. I noticed when pressing the brake the sounds is present. When letting off the brake to just before the point of the car starting to move and it stops. I am going to look at the brakes a little closer.
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