('06-'08) intermittent Air conditioning problem - Subaru Forester Owners Forum
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post #1 of 5 (permalink) Old 06-01-2018, 09:44 AM Thread Starter
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intermittent Air conditioning problem

New to the site
Did not see a search bar---that's where I would have started

06 Forester X

AC is very COLD....but will stop blowing cold in a minute or several
minutes. The car has the electronic switches........
if I press the left knob button to turn off the compressor and let fan run for 90 seconds,
then hit button to start compressor.....it will blow cold for a minute and cycles like this.

I bought a used set of switches (the 3 knobs)---that was not the problem
My buddy was a mechanic and said it is not the freon level as it is blowing very cold air

He said maybe the thermister?? I hope not as I assume they need to pull the evaporater? ...= $$$

Any help is appreciated

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post #2 of 5 (permalink) Old 06-01-2018, 10:35 AM
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The on again off again issue with AC is generally related to the clutch on the compressor. A shim needs to be taken out to make the compressor stay engaged. There is a good thread about that somewhere on here. Search bar is in upper right hand side of the page


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post #3 of 5 (permalink) Old 06-05-2018, 07:24 AM Thread Starter
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Hmmm...i thought I posted this but don't see it

Awesome info Miker---THANK YOU

ANyone know what the AC compressor clutch GAP should be?
I measure .042"
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post #4 of 5 (permalink) Old 05-22-2019, 06:23 AM
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According to the Service Manual:

Manual Clutch Clearance:
Check the clearance of entire circumference around the drive plate and pulley.

0.3 - 0.6 mm (0.0118 - 0.0236 in)
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post #5 of 5 (permalink) Old 05-22-2019, 06:44 PM
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Put a new ac relay in.
Common ac problem

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