| Radiator [message #92060] |
Thu, 15 July 2010 18:06  |
Fiveyellowhorse
Messages: 11
Registered: June 2010
Karma: 0
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Shop said water from bad radiator took out transmission. Is this possible? What is the best thing to do if I do need a new radiator?
Not been kissed
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| Re: [GMCnet] Radiator [message #92061 is a reply to message #92060] |
Thu, 15 July 2010 18:39  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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George,
There are two coolers mounted inside the end cap on the passenger side of
the radiator, one cools the engine oil the second cools the transmission
oil.
If water from the radiator leaked into the transmission fluid cooler it
could "take out" the transmission.
To "fix" the problem you could:
1) Have the end caps on your radiator removed and have the engine oil and
transmission oil coolers cleaned, pressure checked, and repaired. The
workshop would also clean, pressure test and repair the radiator core as
well.
2) Check with Jim Bounds at the COOP (877-275-4462) for a new copper/brass
radiator.
3) Check with Jim Kanomata at Applied GMC (800-752-7502) for a new aluminum
radiator.
Regards,
Rob M.
USAussie
-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of George Sells
Sent: Thursday, July 15, 2010 7:07 PM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] Radiator
Shop said water from bad radiator took out transmission. Is this possible?
What is the best thing to do if I do need a new radiator?
Not been kissed
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Radiator [message #92064 is a reply to message #92061] |
Thu, 15 July 2010 19:11 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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4) Plug the inlet and outlet of the offending coolers and install a LARGE
external cooler.
Ken H.
On Thu, Jul 15, 2010 at 7:39 PM, Rob Mueller <robmueller@iinet.net.au>wrote:
> George,
>
> There are two coolers mounted inside the end cap on the passenger side of
> the radiator, one cools the engine oil the second cools the transmission
> oil.
>
> If water from the radiator leaked into the transmission fluid cooler it
> could "take out" the transmission.
>
> To "fix" the problem you could:
>
> 1) Have the end caps on your radiator removed and have the engine oil and
> transmission oil coolers cleaned, pressure checked, and repaired. The
> workshop would also clean, pressure test and repair the radiator core as
> well.
>
> 2) Check with Jim Bounds at the COOP (877-275-4462) for a new copper/brass
> radiator.
>
> 3) Check with Jim Kanomata at Applied GMC (800-752-7502) for a new aluminum
> radiator.
>
> Regards,
> Rob M.
> USAussie
>
>
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of George Sells
> Sent: Thursday, July 15, 2010 7:07 PM
> To: gmclist@temp.gmcnet.org
> Subject: [GMCnet] Radiator
>
>
>
> Shop said water from bad radiator took out transmission. Is this possible?
> What is the best thing to do if I do need a new radiator?
>
> Not been kissed
> _______________________________________________
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> List Information and Subscription Options:
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> _______________________________________________
> GMCnet mailing list
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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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| Re: Radiator [message #92087 is a reply to message #92060] |
Thu, 15 July 2010 20:55 |
C Boyd
Messages: 2629
Registered: April 2006
Karma: 18
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Senior Member |
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| Fiveyellowhorse wrote on Thu, 15 July 2010 19:06 |
Shop said water from bad radiator took out transmission. Is this possible? What is the best thing to do if I do need a new radiator?
Not been kissed
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Sir: You should flush the cooling system before you do the radiator repair, there is a good chance there is trans fluid in the antifreeze. If you add an external cooler and plug the radiator cooler you should flush it out first with a degreaser.
Good Luck
C. Boyd
76 Crestmont
East Tennessee
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| Re: Radiator [message #92116 is a reply to message #92060] |
Thu, 15 July 2010 22:57 |
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you know I never though of the cooler breaching and coolant getting in. I have external trans cooler but it still runs through the rad, PO installed it. perhaps I should delete it and just go with the ext cooler?
73 Canyon Lands, (a.k.a. The Yellow Submarine) West Los Angeles CA
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| Re: [GMCnet] Radiator [message #92122 is a reply to message #92064] |
Thu, 15 July 2010 23:32 |
fred v
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
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Senior Member |
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| Ken Henderson wrote on Thu, 15 July 2010 19:11 |
4) Plug the inlet and outlet of the offending coolers and install a LARGE
external cooler.
Ken H.
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Ken, could he disconnect the cooler lines and tell if antifreeze came out? that would let him know if the cooler was bad or not. maybe put a little shop air at the rad. cap; 9 or 10 pounds.
Fred V
'77 Royale RB 455
P'cola, Fl
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| Re: [GMCnet] Radiator [message #92143 is a reply to message #92122] |
Fri, 16 July 2010 07:05 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Fred,
That would be a smart move before doing anything drastic -- I'd trust
bubbles in the coolant more than the transmission shop.
Ken H.
On Fri, Jul 16, 2010 at 12:32 AM, fred veenschoten <fredntoni@cox.net>wrote:
>
>
> Ken Henderson wrote on Thu, 15 July 2010 19:11
> > 4) Plug the inlet and outlet of the offending coolers and install a
> LARGE
> > external cooler.
> >
> > Ken H.
>
> Ken, could he disconnect the cooler lines and tell if antifreeze came out?
> that would let him know if the cooler was bad or not. maybe put a little
> shop air at the rad. cap; 9 or 10 pounds.
>
> --
> Fred V
>
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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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| Re: [GMCnet] Radiator [message #92184 is a reply to message #92176] |
Fri, 16 July 2010 11:42 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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George,
Just below the A/C condenser there's a large area of the radiator exposed.
If can add a large cooler there without contributing much heat to the
condenser. If you don't already have a full-coverage shroud on the back of
the radiator, it would be advisable to convert to that also so the fan will
draw air across that area. Frank Jenkins and Bert & Faye Curtis offer them
-- or you can order from Jim Bounds or Jim Kanomata; all the addresses are
at www.bdub.net.
For protection of the cooler and the radiator, you should have a rock guard
over that lower area also. A small rock thrown up from the road can cause a
leak down there -- I KNOW>
Ken H.
Americus, GA
'76 X-Birchaven
www.gmcwipersetc.com
On Fri, Jul 16, 2010 at 11:39 AM, George Sells <georgesells1949@yahoo.com>wrote:
>
>
> Thanks once again for all the help. I am in the Dallas area and the GMC is
> in Oklahoma City. The radiator wholes water. The plan is to add the cooler
> and block off and plug the radiator connections. Any suggestions as to
> cooler choice and where is best to mount it?
>
>
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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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