Re: Automatic overdrive

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Posted by Gary (Ont) on December 05, 2004 at 07:58:14 from (206.47.243.43):

In Reply to: Automatic overdrive posted by Mike V.. on December 04, 2004 at 02:17:29:

Mike,
The 700R4 is a good trans for running down the road empty but no good for heavy towing. I have a '91 GMC with 280000 kms, and the only problem I've had with it is the trans. It has a 3.73 rear end and I tow a 6000 lb. travel trailer. Had to rebuild twice. Always tow in drive and watch the tach to keep the torque converter in the lock-up mode as much as posible. When the converter is not locked it will jump about 200 rpm and this adds heat to the trans. Also, install a good trans cooler. Change the oil and filter in the trans often.

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