96 EX V6 intermittent AC cooling.

#11

On Jun 2, 3:13 pm, "IB" <i... (AT) ib (DOT) com> wrote:

Quote:

Update: I checked the red clutch/coil lead in "failed" mode & I still
had battery voltage which proves my relay is fine. I then forced the
clutch against the rotating pressure plate (exciting - I recommend a
thin wooden stick/pole - less sparks than metal) & lo & behold, it
engaged. The gap is out of spec - not by a huge amount but it is
bigger than the outside tolerance. I guess that over time the natural
progression is for everything to wear & loosen to a wider gap.
So, it seems clear I need to pull the clutch & remove some shims.
I've never messed with a compressor clutch & there is precious little
clearance from the end of the clutch to the inner fender - maybe
3/4". I'm not sure what I'm getting into here. I don't think there
is enough clearance without pulling the compressor & then I'm not sure
you could do it without evacuating the system? Can you do this with
the compressor in place or must it be removed? I'm wondering if I
might be better off to take it to a reliable mechanic & have them do
this. I wouldn't expect there to be too much to it for them....maybe
1 hour labor or something like that? Any opinions or experience on
this? Thanks again.

Ok, looks like we diagnosed it. If you can get to the nut / bolt on the end
of the compressor, try loosening it - you may need to arrange something to
lock the clutch plate from turning. Then, if you have enough space, you
should be able to remove the clutch plate, and you should find some shims
which can be removed.

If you don't have enough space the compressor must come off, which means
regassing.

www.poolecool.co.uk

The only way to get at the end center bolt is to dismount the
compressor from the mounting bracket & move it around as much as I can
within a limited space. Just for grins I tried to test the coil
resistance. I'm using 2 Micronta meters & I'm getting right at 3 ohms
from on1 & 3.25 ohms from the other. These aren't expensive meters so
I know I can't expect high accuracy. If a coil was getting weaker,
would the resistance increase or decrease? Also, I'm not sure what
the spec is for this coil. I have a shop manual for a 96 4 cyl that
states 3.6 +- .2 ohms. I have a 96 V6 & I've already found some
differences between the AC systems. Does anybody know what the clutch
coil resistance should be on a 96 EX V6? Thanks.

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96 EX V6 intermittent AC cooling.

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Re: 96 EX V6 intermittent AC cooling. - 06-03-2008 , 12:17 PM