[s-cars] A/C still sorting

[calvinlc at earthlink.net]

Good idea, Eric.  It should simply be the ratio of the two pulley diameters.
--Calvin


-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of Eric Renneisen
Sent: Monday, November 05, 2007 4:27 PM
To: 'james McCarthy'; s-car-list at audifans.com
Subject: Re: [s-cars] A/C still sorting


> Once again I'm getting this code:
> 01270 A/C clutch - N25 speed deviation too great

One of the channels in the A/C head diags will show you compressor rpm.
Somewhere in the Bentley it should say how that should compare to engine
rpm.  Mine was reading low at a certain point and throwing the same
code.  Lucky for me, it magically started working before I replaced any
parts, and that sensor is expensive.  If you can find/borrow a spare,
I'd swap the sensor.  I can't recall if that requires
evacuation/recharge of the system, though.

Eric R.
'86 urq
'93 urS

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