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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Lost reverse , worked when I parked it

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Old Aug 14, 2018 | 11:36 PM
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86crewcab
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Lost reverse , worked when I parked it

Got an 86 f350 with the 6.9 and c6 tranny. Got the new motor put in a few weeks back the replaced Vacum pump and everything was good
started shifting funny, like staying in 1st way to long. Went to move the truck now no reverse at all. We're do I start. Fluid is great and the truck did have a problem down shifting
 
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Old Aug 15, 2018 | 07:16 AM
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I am not a transmission guy, but I would check the shift linkage first, reverse band second, and vacuum modulator third. Also triple check the fluid, running hot in neutral after shifting through the gears.
 
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Old Aug 15, 2018 | 02:19 PM
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Got reverse back now no 2nd

Reverse started working after about 10 minutes of running.
know dont have 2nd gear
Have vacuum at the modulator on the tranny, tried changing the position of the vacuum thing on the injector pump.
Fluid is good, was working
 

Last edited by 86crewcab; Aug 15, 2018 at 02:20 PM. Reason: Forgot to add
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