ford truck tranny again - Transmission Problems


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ford truck tranny again

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Auto Repair Home>> Automotive Repair>> Transmission Problems

twadwis
New User

Jun 21, 2005, 6:45 AM

Post #1 of 4 (3294 views)

ford truck tranny again	Sign In

I have a 1990 F350 7.3 diesel dually crew cab with a history of tranny troubles. Did put in an extra tranny cooler and thought things were good. The truck is only used during the summer and then lightly. Recently I am using her daily (no towing) and she is starting to 'search' when cruising around 30-35 and around 50-55. At first it seemed that she was just sensitive to any rise in the road, could barely notice any change in RPMS, almost seemed like a throttle problem, but now the problem is rapidly getting worse, does it all the time. Would a tranny flush be of any benefit, hasn't had the miles but has sat a lot.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 22, 2005, 1:12 PM

Post #2 of 4 (3286 views)

Re: ford truck tranny again	Sign In

At least rule out the nylon connectors at throttle body. Cables should be free and look good. It's a dollar's worth of nylon and $50 worth of Tylenol when they screw up! Good luck,

twadwis
New User

Jun 22, 2005, 1:26 PM

Post #3 of 4 (3285 views)

Re: ford truck tranny again	Sign In

Ok, will check out the cable/connectors. Also have had some suggestions to check out torque converter, also known to fail??

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 23, 2005, 12:42 AM

Post #4 of 4 (3275 views)

Re: ford truck tranny again	Sign In

Torque converter lock to make a 1 to 1 ratio. Fluid color can be telling. From the dipstick put some on some white paper - it should look RED. If brown or gray it may have trouble. Changing fluid can help but that's a guess. Good luck, TG

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