tranni lockout
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Joined: Jun 2010
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From: reedsport
tranni lockout
my 03 f250 just had a tranni replaced and tranni temp goes into the yellow when towing 7k lbs toy hauler on long hills on freeway. called my tranni guy and he says it is going into lockout and i need to take the overdrive off when going up hills. does this seem right? thanks
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Joined: Jun 2005
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From: AZ
my 03 f250 just had a tranni replaced and tranni temp goes into the yellow when towing 7k lbs toy hauler on long hills on freeway. called my tranni guy and he says it is going into lockout and i need to take the overdrive off when going up hills. does this seem right? thanks
I can pull 7k behind my 99 dually at 55 mph over Donner Summit (7,000') like it wasn't there with my overdrive ON, if I can drive 55 (that is 40+ miles of average 6% grades), temperature will be about 170-190 depending on ambient air temperature. The slower you go with a load, the more the tranny tends to heat up. Bumper to bumper traffic pulling a large load is the worst.
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From: reedsport
degrees i have no idea, was going up a pretty steep grade at 35-40 mph and watched the needle move into the yellow and almost into the red when got to the top. was about 65degree outside. the first grade i stabbed it up the hill and it was in the yellow at 55mph, so decided to go slower up the next with same results. does fine in traffic and anywhere else. have 2k miles on tranni
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From: reedsport
i hope it was flushed. they installed a billit torque converter and a shift kit in the new one. he said when i go pick it up he will explain the lock out thing to me. has something to do with torque converter. i just dont know enought about transmissions and dont want to get b.s from this guy. very reputable shop too.
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