Home » Public Forums » GMCnet » AC compressor replace
| AC compressor replace [message #340329] |
Thu, 24 January 2019 19:53  |
skip2
Messages: 544
Registered: September 2011
Location: Winter Haven,FL (center o...
Karma: 3
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Evening all, Has anyone had experience with replacing the original GM ac compressor with a Sanden that Jim K sells. My big question does it seem to have less of a drag on the motor, I know when the original turns on it about 2 hundred rpm at idle I don't believe mine has much left in it by the noises. Also can it handle an add on air and the factory dash air at the same time like the original can?
Thanks,
Skip Hartline
74 Canyon Lands, FiTech,
3.7 FD LSD, Manny Tranny,
Springfield Distributor,
2001 Chevy Tracker Ragtop Towd
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| Re: AC compressor replace [message #340336 is a reply to message #340329] |
Fri, 25 January 2019 08:29  |
Scott Nutter
Messages: 782
Registered: January 2015
Location: Houston/San Diego
Karma: 4
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Skip,
I have the Sanden from Jim K. It works great. It "seems" to be more efficient than the old compressor, but I don't have any hard data. What I like is that you can take off the valve covers on a 455 with this compressor.
Scott.
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, Dave Lenzi super duty mid axle disc brakes, tankless water heater, everything Lenzi. Alex Ferrera installed MSD Atomic EFI
Houston, Texas
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| Re: [GMCnet] AC compressor replace [message #340338 is a reply to message #340336] |
Fri, 25 January 2019 08:42 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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I have it too. It runs the dash air and an aux AC unit I have under the couch just fine. The only catch is make sure your hoses keep clear of the bolts around the pully or the hose will get eaten!
________________________________
From: Gmclist on behalf of Scott Nutter
Sent: Friday, January 25, 2019 8:29 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] AC compressor replace
Skip,
I have the Sanden from Jim K. It works great. It "seems" to be more efficient than the old compressor, but I don't have any hard data. What I like is
that you can take off the valve covers on a 455 with this compressor.
Scott.
--
Scott Nutter
1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
installed MSD Atomic EFI
Houston, Texas
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: [GMCnet] AC compressor replace [message #340339 is a reply to message #340336] |
Fri, 25 January 2019 09:00 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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The Sanden is about 1/2 of a GM compressor. The GM easily would cool a 2
bedroom house. But, on early GMC coaches, if you add up the poor design of
the air system to the huge heat loss of the GMC, you don't feel very cool
in hot, humid areas of the country. If the only thing you do is change to a
Sanden, you are not likely to see an improvement, without some other
modifications.
Jim Hupy
Salem, Or (where we don't have much need for AC.)
On Fri, Jan 25, 2019, 6:30 AM Scott Nutter Skip,[/color]
> I have the Sanden from Jim K. It works great. It "seems" to be more
> efficient than the old compressor, but I don't have any hard data. What I
> like is
> that you can take off the valve covers on a 455 with this compressor.
> Scott.
> --
> Scott Nutter
> 1978 Royale Center Kitchen, Patterson 455, switch pitch tranny, 3.21 final
> drive, Quad bags, tankless water heater, everything Lenzi. Alex Ferrera
> installed MSD Atomic EFI
> Houston, Texas
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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| Re: AC compressor replace [message #340388 is a reply to message #340329] |
Sat, 26 January 2019 12:41 |
JohnL455
Messages: 4447
Registered: October 2006
Location: Woodstock, IL
Karma: 12
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So on a later CCOT system the A6 should cycle off more than the Sanden, saving fuel. Unless the Sanden is less load.
John Lebetski
Woodstock, IL
77 Eleganza II
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| Re: [GMCnet] AC compressor replace [message #340392 is a reply to message #340388] |
Sat, 26 January 2019 16:18 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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The Sanden is fewer BTU’s to start with, so it has to be less load.
But in either case, you’re bound by the evaporator, which is smaller than the condenser or compressor.
Dolph Santorine
DE AD0LF
Wheeling, West Virginia
1977 ex-Palm Beach TZE167V100820
Sullybuilt Bags, Reaction Arms, Manny Transmission
> On Jan 26, 2019, at 1:41 PM, John R. Lebetski wrote:
>
> So on a later CCOT system the A6 should cycle off more than the Sanden, saving fuel. Unless the Sanden is less load.
> --
> John Lebetski
> Woodstock, IL
> 77 Eleganza II
>
>
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| Re: [GMCnet] AC compressor replace [message #340393 is a reply to message #340389] |
Sat, 26 January 2019 16:10 |
sgltrac
Messages: 2797
Registered: April 2011
Karma: 1
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Like Jim says, you need to have someone who knows what they are doing to
pull down and evacuate the system. The receiver/dehyrator should also be
replaced if the system has been open to the atmosphere unabated.
Sully
Bellevue wa.
On Sat, Jan 26, 2019 at 11:24 AM Jim Kanomata wrote:
> My argument for the Sanden is reliability . Our come back of rebuilt
> origional was costing us lot of freight both way as we cover the warranty
> that way .
> No other dealers do this.
> Rebuilders confessed that lack of New parts is why they were failing.
> Sanden is a proven unit to Japanese cars and pick up.
> Our techs like the kit as they do not need to warranty once it goes out the
> door.
> You need to clean out the system or the debris will damage the new
> compressor
>
> On Sat, Jan 26, 2019 at 10:42 AM John R. Lebetski >
> wrote:
>
>> So on a later CCOT system the A6 should cycle off more than the Sanden,
>> saving fuel. Unless the Sanden is less load.
>> --
>> John Lebetski
>> Woodstock, IL
>> 77 Eleganza II
>>
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
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>>
> --
> Jim Kanomata
> Applied/GMC, Newark,CA
> jimk@appliedairfilters.com
> http://www.appliedgmc.com
> 1-800-752-7502
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: [GMCnet] AC compressor replace [message #340394 is a reply to message #340329] |
Sat, 26 January 2019 16:27 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Skip,
Long before JimK started selling Sanden compressors, I got a Sanden clone
off of eBay for a very low price. It even came with a 10-grove serpentine
belt pulley, which made installation with my already-installed belt almost
trivially simple. Enlarging the 4 holes in the flat forward mount of the
A-6 enabled me to mount the 4-eared "Sanden" there. A simple brace at the
rear of the compressor resulted in a VERY stable mounting. An A/C shop
replaced the hose ends quite cheaply. I've never had a leak (in probably
10 years now), and the HVAC works better than it ever did with the A6. I
heartily recommend the "Sanden". For anyone who needs/wants them, however,
I noticed today that I have 4 A6's to take to GMCMI Tallahassee. :-)
Ken H.
On Thu, Jan 24, 2019 at 8:54 PM Skip Hartline
wrote:
> Evening all, Has anyone had experience with replacing the original GM ac
> compressor with a Sanden that Jim K sells. My big question does it seem to
> have less of a drag on the motor, I know when the original turns on it
> about 2 hundred rpm at idle I don't believe mine has much left in it by the
> noises. Also can it handle an add on air and the factory dash air at the
> same time like the original can?
> Thanks,
>
> Skip Hartline
> --
> 74 Canyon Lands, FiTech,
> 3.7 FD, Manny Tranny,
> Springfield Distributor,
> 2001 Chevy Tracker Ragtop Towd
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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