10-29-2003, 01:54 PM
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#1
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AF Newbie
Join Date: Oct 2003
Posts: 2
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2000 Impalla LS Crunching sounds
Have any of you poor fello Imappla owners had your car develop a shifting crunching sound when you first accelerate or when you stop.
The Factory has a service note to loosen and tighten the 4 engine cradlle bolts and that helps for a few hours and the loss of a day while it sit in the shop waiting...
Feed back ?? any one!!!
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03-31-2004, 06:59 PM
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#2
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AF Newbie
Join Date: Mar 2004
Location: Ft myers, Florida
Posts: 5
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Shifting humming noise 2000 Impala
Wat, and any others having this problem:
I hope you're still monitoring this BB even from back in 10/03 when you first posted, as I have developed a similar problem with my 2000 standard, not LS Impala. Mine is a sort of a loud hum or buzz when shifting in all gears but no noise when cruising or idling. This noise seems to be getting louder and wonder how you made out with your situation? I do have an extended warrarty good for 2 more years and recently I was in to the service shop for a leak problem which they fixed ok. When I mentioned the noise problem the service guy made a kind of face and ignored my complaint and I didn't press it as I wanted the anti freeze leak fixed and thought I'd come back later with my shifting noise problem. Any light you can shed on it is appreciated greatly so I can steer the service adviser in the right direction. Thanks.
My email is
kenline@comcast.net
Keno
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04-19-2004, 07:56 PM
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#3
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AF Newbie
Join Date: Apr 2004
Location: toronto
Posts: 11
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when i come to a full stop there is a crunching sound as if something is lurching forward from the rear of the car. haven't taken the car in for this yet - not sure what it is.. if/when i find out i'll update you guys.
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04-25-2004, 08:00 PM
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#4
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AF Newbie
Join Date: Apr 2004
Location: columbus, Ohio
Posts: 12
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Re: 2000 Impalla LS Crunching sounds
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Originally Posted by sweetleaf
when i come to a full stop there is a crunching sound as if something is lurching forward from the rear of the car. haven't taken the car in for this yet - not sure what it is.. if/when i find out i'll update you guys.
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not sure if this is the problem but I believe that there is a service bulletin out about fuel tank baffles thet prevent fuel from sloshing back and forth in the tank after coming to a stop.
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04-25-2004, 09:17 PM
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#5
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AF Newbie
Join Date: Apr 2004
Location: toronto
Posts: 11
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you're so right. i let my gas tank get real low, and lo and behold no more crunching sound. as soon as i filled it back up again, the sound came back whenever i stopped. guess its the gas sloshing back and forth.. that sucks.
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04-26-2004, 08:36 AM
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#6
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AF Newbie
Join Date: Oct 2003
Location: Owego, New York
Posts: 53
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Re: 2000 Impalla LS Crunching sounds
My 04 does the same thing. Does the TSB include adding baffles to the tank ?
__________________
Bill
2003 2500HD LT Duramax CC SB 4WD,OilGuard BypassFilter, JK MegaFilter, LiftPump/PreFilter, Bilsteins, Retrax RollTop, J&J Millenuim Boards, Coolant Filter, Alli-deep-pan, High Idle, Mods UOA History
04 Impala, 99 Saturn SL1
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04-30-2004, 12:03 AM
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#7
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AF Newbie
Join Date: Apr 2004
Location: columbus, Ohio
Posts: 12
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Re: 2000 Impalla LS Crunching sounds
yes, I believe so....although not 100% sure. I have not had it done to my 2000ls
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04-30-2004, 12:09 AM
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#8
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AF Newbie
Join Date: Apr 2004
Location: columbus, Ohio
Posts: 12
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Re: Shifting humming noise 2000 Impala
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Originally Posted by Keno
Wat, and any others having this problem:
I hope you're still monitoring this BB even from back in 10/03 when you first posted, as I have developed a similar problem with my 2000 standard, not LS Impala. Mine is a sort of a loud hum or buzz when shifting in all gears but no noise when cruising or idling. This noise seems to be getting louder and wonder how you made out with your situation? I do have an extended warrarty good for 2 more years and recently I was in to the service shop for a leak problem which they fixed ok. When I mentioned the noise problem the service guy made a kind of face and ignored my complaint and I didn't press it as I wanted the anti freeze leak fixed and thought I'd come back later with my shifting noise problem. Any light you can shed on it is appreciated greatly so I can steer the service adviser in the right direction. Thanks.
My email is
kenline@comcast.net
Keno |
I had a similar problem with my 2000ls. It would shift very sluggish from 1st to 2nd accompanied by a humming sound. It turned out to be a syncro thrust washer(?) I'm not sure, but the tranny needed a total rebuild. It was under warranty. Haven't had any problems since.
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04-30-2004, 09:44 AM
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#9
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AF Newbie
Join Date: Mar 2004
Location: Ft myers, Florida
Posts: 5
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Re: 2000 Impalla LS Crunching sounds
As I posted recently my noise problems turned out to be the alternator, not trans at all so grateful for that news. Nice when a story ends happily!!!
Happy motoring,
Keno
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