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Mike V.. 12-04-2004 02:17:29 69.66.79.227 11858 Report to Moderator	I've got a 95 chevy 1500 with an automatic overdrive trans.(not exactly a classic)I'm going to use it for pulling a 18'trailer.What bad things can happen when using overdrive while pulling a trailer?If the trans is constantly downshifting,I use direct anyway,but does it hurt to use OD when on the straight and level?Thanks,Mike V. [Reply]  [No Email]
JD G GUY 12-06-2004 18:26:07 64.61.202.83 11891 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 02:17:29   ive got an 89 6 lug 2500 and ive been through 2 700r4's i would do everything listed so far like heavy duty cooler, regular fluid/filter changes. when i drive at anything under 50mph i leave it in drive so it dosnt hunt between 3 and 4.   [Reply]  [No Email]
Big Jim 12-06-2004 01:29:55 56.0.84.24 11886 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 02:17:29   Owner's manual says don't tow in OD. Hard on everything. I've got a '95 Suburban with the 454 and the only time I'll ever tow in OD is on flat, level Interstate. If we start going up and down a bit, I put it back in Drive. Anything under 60 and I don't even think about using the OD.   [Reply]  [No Email]
Gary (Ont) 12-05-2004 07:58:14 206.47.243.43 11872 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 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.   [Reply]  [No Email]
db 12-04-2004 22:21:19 64.12.116.199 11869 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 02:17:29   It sounds overloaded. Besides your transmission, you may be running the engine too hard and cause overheating.   [Reply]  [No Email]
toolman 12-04-2004 13:13:06 24.66.70.60 11864 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 02:17:29   i got a 93 and don,t use od , they say not too.   [Reply]  [No Email]
xragman 12-04-2004 06:11:52 67.234.12.236 11860 Report to Moderator	Re: Automatic overdrive in reply to Mike V.., 12-04-2004 02:17:29   not recomended.do at your own risk $$$   [Reply]  [No Email]