Audi A4 compressor clutch reshimming.

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vmaheshr@gmail.com - 18 Jun 2006 23:47 GMT

Hi All,
I have a 1998 Audi A4. My AC is not working and this is an issue with
the temperatures reaching 90 F.
I have read several forums that lead me to believe that I can replace /
reshim just the clutch.
Does someone have some pictures of where the compressor is in the Audi
A4 1998? Is it possible to work on the AC clutch without removing the
bumper?
If someone has a complete document hopefully with pictures of how this
can be done, I would really appreciate an email.

Someone please help!!!!.
Thanks,

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Chris Bartram - 19 Jun 2006 08:49 GMT

> Hi All,
> I have a 1998 Audi A4. My AC is not working and this is an issue with
[quoted text clipped - 9 lines]
> Someone please help!!!!.
> Thanks,

Are you sure the clutch is faulty? If the system is low on pressure,
then the clutch will not engage, as the control unit won't trigger it.

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vmaheshr - 19 Jun 2006 17:38 GMT

Hi Chris,
I have already checked the pressure on the "low Pressure" side using a
gauge, it showed 50 PSI. I believe this is sufficient. I also had the
dealership look at it when the timing belt was changed and their
response was that the clutch was not activating and they will have to
replace it and quoted an exhorbitant amount.

> > Hi All,
> > I have a 1998 Audi A4. My AC is not working and this is an issue with
[quoted text clipped - 12 lines]
> Are you sure the clutch is faulty? If the system is low on pressure,
> then the clutch will not engage, as the control unit won't trigger it.

Reply to this Message

Chris Bartram - 19 Jun 2006 18:14 GMT

> Hi Chris,
> I have already checked the pressure on the "low Pressure" side using a
> gauge, it showed 50 PSI. I believe this is sufficient. I also had the
> dealership look at it when the timing belt was changed and their
> response was that the clutch was not activating and they will have to
> replace it and quoted an exhorbitant amount.

Aaah. You might want to check the trigger voltage is present, just to
confirm what they say.

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vmaheshr - 20 Jun 2006 20:48 GMT

Hi Chris,
How would I accomplish this?
I am not sure how to read the trigger voltage and what should I be
looking for?

> > Hi Chris,
> > I have already checked the pressure on the "low Pressure" side using a
[quoted text clipped - 4 lines]
> Aaah. You might want to check the trigger voltage is present, just to
> confirm what they say.

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