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When will the TCC lock up?

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Old May 9, 2007 | 01:33 AM
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emptyd's Avatar
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Question When will the TCC lock up?

I have read more than a few posts about people towing up long mountain grades in second gear at 60 MPH - "the v10 loves to run free at high RPMs".

If the TCC doesn't lock up in second doesn't this generate excessive trans. temps? Are there any after market products that will lock the TCC in second? Are they safe?

When I had a 'burban, there were lot's of after market gadgets and specialty chips that would allow the TCC to lockup under more diverse conditions.
 
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Old May 9, 2007 | 01:44 AM
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Follow this link if you want to install your own manual override.

http://guzzle.rbmicro.com/tclock.html

Depending on speed, ambient temps, weight, condition of tranny fluid & cooler etc. etc. it shouldn't over heat in 2nd. However, it may also not pull as well with the TC locked at certain speeds.
 
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Old May 9, 2007 | 07:29 AM
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I know its a dumb ques, but if u don't mind me asking, what is a tcc?
 
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Old May 9, 2007 | 09:14 AM
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Torque Converter Clutch
 
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Old May 9, 2007 | 09:18 AM
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Originally Posted by i eat hybrids
I know its a dumb ques, but if u don't mind me asking, what is a tcc?
Torque Converter Clutch. Part of the drive line that is responsible for providing the "slip" required to allow the engine to run, while the vehicle is in gear but not moving. Located within the transmission.

At highway speeds, the "slip" represents lost energy in the form of heat resulting in lower MPG and higher transmission fluid temperatures. To increase efficencies, the Torque Converters is equiped with a Clutch that is engaged by the Powertrain Control Module to eliminate slip, resulting in more of the engine's torque reaching the drive wheels and less heat build up.
 
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Old May 9, 2007 | 08:54 PM
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ON dem dezzles with the Sct xCal2 it will lock in 2nd thru 5th if you ask for it...

Really helps the seat back push you
 
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