700r4 is fluid routed to cooler when TCC is off - Hot Rod Forum : Hotrodders Bulletin Board
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Old 02-12-2006, 06:03 AM
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700r4 is fluid routed to cooler when TCC is off

Found this statement:
"For reliability the TCC can not remain locked under heavy load. The
TCC is not designed to handle a high load. Also note that the GM
700R4 (4L60) transmission does not route fluid to the cooler unless
the TCC is locked.
"
in this article:
http://diy-efi.org/gmecm/papers/tcc.txt

I thought the fluid was always routed through the cooler - anyone?

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Old 02-12-2006, 10:11 AM
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This statement is wrong.
The cooler circuit is active during all stages of use in 700R4.
The converter circuit changes when lockup occurs, but the cooler circuit functions before and after lockup.
Pull off a cooler line if you don't believe it.
Plan on using LOTS of floor dry for the mess....
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Old 02-12-2006, 03:13 PM
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That's what I thought.

Thanks,
Eliot.
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Old 02-12-2006, 06:56 PM
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Quote:
Originally Posted by Chazmac
Pull off a cooler line if you don't believe it.
Plan on using LOTS of floor dry for the mess....
I have a vision of a few messy floors.

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