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| Car Problems? 9-5 Only If you're experiencing problems with your 9-5, post your question in here. CEL Code or GTFO! |
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11-24-2008, 10:24 AM
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#1 |
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TSLMember
Join Date: Jul 2008
Posts: 48
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hmm noise
I have an 02 9-5 aero with a 5 speed that makes a hmm noise in the front end under load. If the load is right on acceleration, I can prolong it as long as I desire and it just makes a subtle persistent hmm. On deceleration, it will do it very briefly as the car slows down especially under high RPM downshifts. Anyone have any ideas what could cause this? It appears to be related to the tranny, I think. I have never done any sort of maintenance on the tranny as it is a manual.
Thanks in advance. |
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11-24-2008, 12:40 PM
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#2 |
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Trollerator
Elder
Join Date: Feb 2004
Location: Albany, NY area
Posts: 9,830
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not sure what your problem is, but we just had our 150K 9-5 tranny fluid serviced. the old fluid was black. the previous owner must not have liked preventative maintanance. Now it shifts like new!
I would consider that no matter what your probem ends up being if you haven't ever done it.
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. 1990 900 turbo vert 2004 9-5 aero sedan |
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11-24-2008, 01:04 PM
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#3 | |
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Flirting With TSL Addiction
Join Date: Jan 2007
Posts: 763
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Quote:
I had a similar problem. It turns out it was one of my pulley. I had to replace both belt and pulley. |
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11-24-2008, 01:57 PM
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#4 |
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TSLMember
Join Date: Jul 2008
Posts: 48
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i'll try to figure out if it is a pulley or not. I did consider that and I've already done the belt. The oil in a manual tranny gets changed? Automatic, sure but, manual.... Any other ideas would be great.
tx. |
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11-24-2008, 02:01 PM
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#5 |
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Trollerator
Elder
Join Date: Feb 2004
Location: Albany, NY area
Posts: 9,830
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yes, Why wouldn't you service the fluid in the manual box ?
 it made such a dramatic change my wife noticed immediately and was thrilled with the difference.
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. 1990 900 turbo vert 2004 9-5 aero sedan |
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11-24-2008, 09:14 PM
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#6 | |
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Live, eat, and sleep by TSL
Join Date: Jun 2006
Location: Portland, Maine
Posts: 1,501
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Quote:
^^^^nice afternoon project I'd imagine that if it were a transmission issue it would be more of a whine than a hum... If the sound was intermittent I'd point to the Bypass Valve (hooter valve), which hums of "hoots" on acceleration. When the pully went in my NG it didn't make any noise. Haha, sorry for shooting down all the ideas.
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To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. 2002 9-5 Aero JZW 5+ 1999 9-3 Turbo 1995 900SE Turbo Convertible Nordic Stg II 1995 900S Convertible |
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11-24-2008, 09:18 PM
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#7 |
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Elder
Join Date: Dec 2006
Location: Saratoga/Albany
Posts: 3,257
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you may have a leaky flexpipe as well. That will cause the car to be loud under load and downshifts.
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11-25-2008, 06:56 AM
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#8 |
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TSLMember
Join Date: Jul 2008
Posts: 48
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thanks fellas. i'll check the pulleys, flex pipe and bypass valve. tranny must wait until better weather. ever have the bypass valve "hoot" on decel? i don't have any vibration or whining so I'm leaning towards the valve but will check all of the above.
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