Home » Public Forums » GMCnet » air conditioning (compressor clutch)
| air conditioning [message #80891] |
Sun, 18 April 2010 04:32  |
tgeiger
Messages: 518
Registered: February 2006
Location: kansas city
Karma: -1
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I'm looking at getting the air dash air conditioner compressor running again. I believe my clutch is not working. I read in some earlier post on this subject that they're are many versions of compressors for the 455 olds. Does anyone have a clutch part number that I can give the parts store if I go to get a replacement?
Tom Geiger
76 Eleganza II
KCMO
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| Re: air conditioning [message #80895 is a reply to message #80891] |
Sun, 18 April 2010 09:53  |
Craig Lechowicz
Messages: 541
Registered: October 2006
Location: Waterford, MI
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I don't have part numbers, but wanted to mention that it's not a particularly easy part to change. Need a special puller for the clutch hub, and either a special puller or a good correct sized gear puller for the clutch pulley and magnet assembly itself. Having said that. It's a pretty rare failure, as it's just a big electromagnetic that pulls the hub in. It's much more likely that there is an electrical problem (fuse, switch, low pressure switch, or wiring) or a low charge that keeps it from working. It's worth either checking for power at the clutch connector, or better yet, using a jumper lead to power it up and see what happens before you tear into it further.
Craig Lechowicz
'77 Kingsley, Waterford, MI
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| Re: [GMCnet] air conditioning [message #80901 is a reply to message #80895] |
Sun, 18 April 2010 11:46 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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It is dollar wise to replace it with a rebuilt unit.
Part# AC Delco 15-2143
On Sun, Apr 18, 2010 at 7:53 AM, Craig Lechowicz
<craig.lechowicz@sbcglobal.net> wrote:
>
>
> I don't have part numbers, but wanted to mention that it's not a particularly easy part to change. Need a special puller for the clutch hub, and either a special puller or a good correct sized gear puller for the clutch pulley and magnet assembly itself. Having said that. It's a pretty rare failure, as it's just a big electromagnetic that pulls the hub in. It's much more likely that there is an electrical problem (fuse, switch, low pressure switch, or wiring) or a low charge that keeps it from working. It's worth either checking for power at the clutch connector, or better yet, using a jumper lead to power it up and see what happens before you tear into it further.
> --
> Craig Lechowicz
> '77 Kingsley, Waterford, MI
> _______________________________________________
> GMCnet mailing list
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--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
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www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] air conditioning [message #80902 is a reply to message #80901] |
Sun, 18 April 2010 11:49 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
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'm not sure, but the pully diameter is the main differance between the
Toronado and coach.
On Sun, Apr 18, 2010 at 9:46 AM, Jim Kanomata <jimkanomata@gmail.com> wrote:
> It is dollar wise to replace it with a rebuilt unit.
> Part# AC Delco 15-2143
>
>
> On Sun, Apr 18, 2010 at 7:53 AM, Craig Lechowicz
> <craig.lechowicz@sbcglobal.net> wrote:
>>
>>
>> I don't have part numbers, but wanted to mention that it's not a particularly easy part to change. Need a special puller for the clutch hub, and either a special puller or a good correct sized gear puller for the clutch pulley and magnet assembly itself. Having said that. It's a pretty rare failure, as it's just a big electromagnetic that pulls the hub in. It's much more likely that there is an electrical problem (fuse, switch, low pressure switch, or wiring) or a low charge that keeps it from working. It's worth either checking for power at the clutch connector, or better yet, using a jumper lead to power it up and see what happens before you tear into it further.
>> --
>> Craig Lechowicz
>> '77 Kingsley, Waterford, MI
>> _______________________________________________
>> GMCnet mailing list
>> List Information and Subscription Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>
>
>
> --
> Jim Kanomata
> Applied/GMC, Fremont,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: air conditioning [message #80951 is a reply to message #80891] |
Sun, 18 April 2010 18:46 |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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| tgeiger wrote on Sun, 18 April 2010 04:32 |
I'm looking at getting the air dash air conditioner compressor running again. I believe my clutch is not working. I read in some earlier post on this subject that they're are many versions of compressors for the 455 olds. Does anyone have a clutch part number that I can give the parts store if I go to get a replacement?
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I replaced mine on the coach with one off of a Toronado. Mine had a bad bearing. I choose the Toronado one because it had a smaller pulley and would give more cooling at slower speeds.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] air conditioning [message #81462 is a reply to message #80895] |
Thu, 22 April 2010 12:15 |
emerystora
Messages: 4442
Registered: January 2004
Karma: 13
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On Apr 18, 2010, at 8:53 AM, Craig Lechowicz wrote:
>
>
> I don't have part numbers, but wanted to mention that it's not a
> particularly easy part to change. Need a special puller for the
> clutch hub, and either a special puller or a good correct sized gear
> puller for the clutch pulley and magnet assembly itself. Having
> said that. It's a pretty rare failure, as it's just a big
> electromagnetic that pulls the hub in. It's much more likely that
> there is an electrical problem (fuse, switch, low pressure switch,
> or wiring) or a low charge that keeps it from working. It's worth
> either checking for power at the clutch connector, or better yet,
> using a jumper lead to power it up and see what happens before you
> tear into it further.
> --
> Craig Lechowicz
> '77 Kingsley, Waterford, MI
If you should decide that it is the clutch you can borrow a tool for
removing it from Autozone under their free tool loan program. i am
told that this can be done without removing the compressor from the
motorhome. I have not done this myself, though.
Emery Stora
77 Kingsley
Santa Fe, NM
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| Re: [GMCnet] air conditioning [message #81466 is a reply to message #81462] |
Thu, 22 April 2010 12:36 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Senior Member |
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Here is a nice photo album by EMBREP of replacing the AC compressor clutch bearing without removing the
compressor.
http://www.gmcmhphotos.com/photos/showgallery.php?cat=5194
Dennis Sexton
73 GMC
Germantown, TN 38138-2066
USA
-----Original Message-----
From: Emery Stora <emerystora@mac.com>
To: gmclist@temp.gmcnet.org
Sent: Thu, Apr 22, 2010 12:15 pm
Subject: Re: [GMCnet] air conditioning
n Apr 18, 2010, at 8:53 AM, Craig Lechowicz wrote:
>
I don't have part numbers, but wanted to mention that it's not a
particularly easy part to change. Need a special puller for the
clutch hub, and either a special puller or a good correct sized gear
puller for the clutch pulley and magnet assembly itself. Having
said that. It's a pretty rare failure, as it's just a big
electromagnetic that pulls the hub in. It's much more likely that
there is an electrical problem (fuse, switch, low pressure switch,
or wiring) or a low charge that keeps it from working. It's worth
either checking for power at the clutch connector, or better yet,
using a jumper lead to power it up and see what happens before you
tear into it further.
--
Craig Lechowicz
'77 Kingsley, Waterford, MI
f you should decide that it is the clutch you can borrow a tool for
emoving it from Autozone under their free tool loan program. i am
old that this can be done without removing the compressor from the
otorhome. I have not done this myself, though.
Emery Stora
7 Kingsley
anta Fe, NM
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MCnet mailing list
ist Information and Subscription Options:
ttp://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
_______________________________________________
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List Information and Subscription Options:
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Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: [GMCnet] air conditioning [message #81472 is a reply to message #81466] |
Thu, 22 April 2010 13:26 |
Jon payne
Messages: 495
Registered: May 2008
Karma: 1
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Senior Member |
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I changed the bearing on my compressor last year as you can see from my pics that Dennis posted. I rented the puller from Autozone, which was free! You just need to leave a deposit on your credit card. However they did not have the install tool that would fit. I think I just used a socket to drive it back on.
The procedure I used was found on the internet. Check out this link for a very detailed procedure.
http://www.bernardembden.com/xjs/comclutch/index.htm
Jon
Jon Payne
76 Palm Beach
Westfield,IN
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