1992 Ford F150 XL 4x4 front drive train will not go forward
I just purchased a 1992 Ford F150 XL reg.Cab. 4x4 AT, and when I shift it into drive the rear tires spin but the frontend is lockedup and the engine boggs down and sometimes stalls but jmainly just goes nowhere
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if it has automatic lock in hubs only!! start truck, put truck in neutral, push button for 2x2 shift into reverse,back up 5to 10 feet,truck should shift back into 2x2 automatically. shift into drive and the 4x4 light should go off. if you have manual lock hubs you''ll need to unlock those manually on the 2 front wheels.w/truck in neutral and emergency brake on or someone holdling brake inside truck,go to front and rotate the locking hubs to front tire or wheels in centerof hub to free wheel.they will be marked,or should be. if not,then try turning the center of hub switch counter clockwise until it stops turning,then go to passenger side and turn it counter clockwise. thank you for choosing fixya.
Lift and support the front of the truck so the front wheels are off the ground ( take safety precautions, chock wheels, jack stands, etc ) Key on, engage 4x4 and try to turn the front drive shaft. If it turns it is a problem with the transfer case. If it doesn't it is a front axle engagement problem.
I don't want to assume that the front axle works correctly, but it sounds like you got past that bit of testing.
check your shift lever and tranny.theres a detent cable that locks you into forward or reverse, if thats not set proper you will do both at the same time which would explain the retarded activity of the tranny. the 4x4 issue sounds like an electrical issue, check the switches in the cab as well as the fuses that cotrol the tranny and 4 wheel drive system.
Ford has 2 types of 4x4 system engagement. One is a knob on the dash that you just turn to 4wheel drive high or low. The other system is the 4x4 transfer case shift on the transmission tunnel (hump) between the driver and passenger seats. To shift into 4 wheel drive high while driving, just let off the gas and shift transfer case into 4H position, and continue driving. To shift into 4 wheel drive Low, stop the vehicle completely, put transmission in neutral, shift transfer case into 4Low position, put trans. in gear, and start driving. I am assuming before doing the above, you have locked in ( turned the front hubs to 4 wheel drive position.) Any further questions, let me know.