Question about 1990 Ford F150
I just bought this 1990 f150 and the guy told me it didn't have drive i stuck it in drive and its fine but the problem i have is its a push button overdrive and if its in over drive it shifts rough like its slipping[but then works fine] but when its in drive it does the same thing just not as bad but as your going down the road in drive it just seems to drop out of gear then i shifted to 2nd and back to drive 2 times and its fine for awhile then it just drops out of gear again it don't slip when it drops out of gear it just drops out and revs up could it be something simple i was thinking torque convertor but i read something about a shift modulator could that be it
Could be a faulty solenoid, scan the TCM for faults and drop the sump for contamination
Posted on Feb 08, 2009
well the low cost way to go first would be to try and change the trans fluids. If the problems still remains the it may be an internal problem
Posted on Feb 25, 2009
my overdrive light is flashing due to a shattered speedo cable tip. check your fluid level. you may have to change the tranny filer and redo all the fluid.
Posted on Jun 11, 2009
sorry to say this trans has to be removed and rebuilt seems like od clutches burnt out-do you tow heavy trailer with truck as you have to tow with od off(push button on shifter)
Posted on Oct 05, 2009
i got a 1996 chev. blazer s-s10 4.3 engine 4x4.problem i got is i got 1st 2nd & overdrive & reverse but no 3rd gear what should i do
Posted on Jan 19, 2010
sounds like a possible shift solenoid. If it's due for a fluid change, do that and add a container of lucas trans conditioner. Likely you have a drain plug on the pan so if the fluid was recently serviced, just drain a quart out and replace with the additive, then top off.
If the condition does not change within a week, likely you will need better diagnosis from a reputable trans shop.
Posted on Jun 03, 2010
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