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rear ac noises

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Old May 4, 2004 | 11:20 PM
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Default rear ac noises

Has anyone had the problem with the rear ac vents rattling. Any suggestions as to stoppping it from occurring.
Thanks Ed M





'85 928S, 5spd-17"Turbo Twists,chippped, Nology wires,Avenger II exhaust,
"88 928S4, auto
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Old May 5, 2004 | 01:21 AM
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Default Re: rear ac noises

Originally posted by Ed MD
Has anyone had the problem with the rear ac vents rattling. Any suggestions as to stoppping it from occurring.
Thanks Ed M

'85 928S, 5spd-17"Turbo Twists,chippped, Nology wires,Avenger II exhaust,
"88 928S4, auto
Check to see if the little concave washers are still in place Each vents needs one to maintain the vent position. I can see them rattling without one.
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Old May 5, 2004 | 01:28 AM
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Umm JE ... say ... MY rear ac makes an unusually loud SUCKING sound ... What do you think the problem could be?
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Old May 5, 2004 | 01:31 AM
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Yes, even with the spring washers installed, something in the rear a/c rattles every time I hit a bump in the road; which around here, is quite often.

It sounds like the plastic diverters, but I'm not quite sure. I've taken the cover off a couple of times, but never noticed anything suspect.
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Old May 5, 2004 | 01:36 AM
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Originally posted by heinrich
Umm JE ... say ... MY rear ac makes an unusually loud SUCKING sound ... What do you think the problem could be?
Ummmmm, the rear lines sitting directly behind me keeping me company, and the non rear front lines that should be keeping you company that I can't seem to be able to remove from my freeking S4?

I have a call into DR, who may have some used ones. 928 Intl. is out of used ones. Saturday buddy. We'll have this resolved by Saturday.

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Old May 5, 2004 | 01:37 AM
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Originally posted by JE928Sx4
Ummmmm, the rear lines sitting directly behind me keeping me company, and the non rear front lines that should be keeping you company that I can't seem to be able to remove from my freeking S4?

I have a call into DR, who may have some used ones. 928 Intl. is out of used ones. Saturday buddy. We'll have this resolved by Saturday.

I still have your Devek radiator box to send them to you though!
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Old May 5, 2004 | 01:43 AM
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Originally posted by borland
Yes, even with the spring washers installed, something in the rear a/c rattles every time I hit a bump in the road; which around here, is quite often.

It sounds like the plastic diverters, but I'm not quite sure. I've taken the cover off a couple of times, but never noticed anything suspect.
Pull the topcover to make sure all the screws are in place that hold the unit in. The fan is built in with the cooling lines and is very stable. It could only be the bearings otherwise. Heinrich may have a spare rear unit. I got his lines.

Last edited by JE928Sx4.; Sep 21, 2007 at 09:48 AM.
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Old May 5, 2004 | 01:46 AM
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Or the fan could be rubbing against the housing.
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