Question about 1986 Ford F150 SuperCab

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I have a 86 F150 4x4 300 6 Manual hubs and floor shifter front wheels get no power, rears spin The floor shifter engages the transfer case and the light comes on, the front drive shaft spins the front hubs have been rebuilt and engage the locks however no power gets to the wheel no noise of any kind comes from the front end no vibrations or pulling while driving. how do i get into the front pig? is there a shear pin or a key that could be gone? what should I check first? Money is an issue

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Posted on Jan 02, 2017

  • 95 Answers

SOURCE: Removing the Hub on a 1985 F150 4x4

You will need a special spanner wrench to disassemble most hubs depending on mame of hub They loan these at many auto part stores

Posted on Jan 23, 2009

  • 11 Answers

SOURCE: 4 wheel drive selector won't move to select 4x4

I am guessing the way you wrote this that the switch moves but 4H is not activating. If this is the case, then check the fuses/breakers as described in your fuse/relay section of the manual. If these are good, then check the connections to the 4x4 motor on the txfer case. Sometimes the connection there gets corroded or damaged while 4wheeling.

Also, the vacuum operated ft wheels must have good vacuum to the front diff (you will see the vac line on the right side of the diff AS WELL AS the two vacuum switches on the passenger side, firewall under the hood. The fuses/relays/breakers are first to check. Then check the vacuum lines under the hood to the TWO electronically activated vacuum switches on the firewall. Lastly, check the vacuum line to the differential and the connection to the actual transfer case actuation motor..

Posted on Feb 27, 2009

  • 79 Answers

SOURCE: Ford F150 4x4 Passenger side hub

is the sound like a gear jumping noise?if so check the hub assembly and the spline inside the front differential........more than likely the hub assembly

Posted on Mar 22, 2009

  • 5481 Answers

SOURCE: I bought a 2000 f150 4x4, 5 speed. the truck

You can try several things. You can stop the vehicle as if you are going into low range and shift the high range 2h, 4h, etc.. Ford advertises the Electric button type as "shift on the fly" but does not say the gears are synchronized to do that with manual engagement.

Change the lube this time to see if the lube is Milky. There have been floods, otherwise the case is sealed whether you park it or drive it. You still could have rust on the shift linkage. You need to move the linkage as you spray it. Then the offbeat chance something was bent from offroading. A Salvage Yard is a wonderful place to learn how a car is built. You may see their part looks different than yours.

Posted on Nov 15, 2009

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SOURCE: automatic 4x4 locking hubs one side not locking in

There is a possibility the axel U-joint is binding, this will put side load on the hubs and keep them from working properly. Turn the steering wheel either far right or left and with front of truck off the ground or the front end disengaged, see if the axel shafts turn free, both sides. If there is binding the U-joint(s) will have to be replaced.

Posted on Dec 17, 2009

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3 Answers

99 Ford F-150 won't go into 4wheel drive I looked undernieth and front drive shaft is not turning


Someone will have to go under and check the linkage is working when the 4 wheel drive is fully engaged and not just moved to a neutral position.

Dec 04, 2014 | Ford Cars & Trucks

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Transfer case on 2006 F150 will engage but no power to front wheels?


SOUNDS LIKE A BAD HUB TRY THIS TO DIAGNOSE THE PROBLEM

Put the transmission in park, set the parking brake and raise the chassis so one of the front wheels is off the ground while the other is still on the ground. When the transfer case is in two-wheel drive, the hubs should be released allowing the wheels to turn freely when spun by hand. If the axle shaft turns when you spin the wheel, it means the hub has not disengaged.
To check engagement, rotate the axle shaft backwards. This should lock the hub. Try turning the wheel by hand again. The axle shaft should now turn with the wheel if the hub is locked. If the hub fails to lock, the hub will have to be disassembled and inspected or replaced.
To check release, hold the axle shaft steady and rotate the wheel backwards. You should hear a click as the locking mechanism slides back out and disengages the hub. Rotate the wheel forward again and it should turn freely.
Another way to check the hubs is to raise the vehicle on a frame contact lift so all four wheels are off the ground. Then start the engine and place the transfer case in four-wheel drive and the transmission in drive. If the front wheels don't turn, look at the front axle shafts. If both shafts are turning, but one wheel is not, the problem is a bad hub on the wheel that isn't turning. If the front driveshafts are not turning when the transfer case is in four-wheel drive, the problem is inside the differential (broken side gears) or the transfer case (broken chain, shift linkage, etc.). If the driveshaft between the transfer case and differential is turning, the problem is in the differential. If the driveshaft is not turning, the vehicle is going to need repairs to the transfer case.
Hope this helps.

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2 Answers

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Sounds like one of your hubs is sticking and not engaging. You can check them by engaging the hubs and the transfer case and jacking up each front wheel independently if it doesn't spin your good, if it does you found your problem. As far as fixing a hub goes, it may be just dry and need some grease, or there are some very good aftermarket hubs available from Warn.
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Dec 08, 2009 | 2001 Toyota Tacoma

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Is it right for your front drive shaft to turn by hand when in park


i'm assuming you have a 4 wheel drive. If that is the case then yes cause when your in two wheel drive mode the front is in neutral

Oct 16, 2009 | 1999 Chevrolet Silverado 1500

1 Answer

Ford F150 lost 4 wheel drive 2003 FX4


Take the hubs apart, inspect them, and clean them, especially the one that you heard a clunk, something might have broke in the automatic hub lock. Make sure everthing gets put back exactly the same, or you'll have more problems. If that doesn't work, then there is something wrong somewhere in the transfer case.

Mar 15, 2009 | 1999 Ford F150 Regular Cab

2 Answers

Transfer case wont engage


shift into 4wd and move truck a couple of feet.
if light is still off, park truck block the wheels set the park brake jack right front wheel and try to hand spin the wheel if wheel doesn't turn 4x4 is functioning properly but there is a wiring problem use an ohmmeter to check the 4x4 switch wiring fuse and bulb
if wheel turns freely the front axle or transfer case is not engaged
attempt to hand spin the front driveshft if the driveshaft will spin the transfer case is not engaged check the transfer case shift linkage, problem is in linkage or transfer case internals
if the driveshaft will not spin the transfer case is engaged properly
with trnsmission in neutral or park start engine measure vacuum on the two vac lines at front axle shift motor . one line should have approx 20" vacuum. other line should have none
if no vacuum measured look for vac leak or bad vac switch
if both lines have vac look for a bad vac swithc or ruptured cad actuator diaphragm
if one line has 20" +- VAC
move transfer case lever to 2wd measure vac again lines should have swapped vac signals
if no vac switch bad or 4wd shift likage needs adjusting
if yes vac motor bad or stuck or shift fork stuck
remove vac shift motor from the axle attach vac lines to shift motor engage disengage 4wd
does shift motor plunger move at least 1/2 inch
no shift motor bad
yes check axle shift fork and vac motor for binging

Jan 27, 2009 | 1999 Dodge Ram

1 Answer

1991 F150 front axle not locking in.


Front hubs need to be taken off and inspected for damage,
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Jan 12, 2009 | 1989 Ford F 150

1 Answer

4 wheel drive will not engage


Test it by setting the rear end up just barely off the ground with some jack stands and setting the hubs to lock (if they are manual). Put it in 4 wheel and try to drive away. If the vehicle does not move then very carefully have a helper check and see if the front drive axles are spinning while it is in 4 wheel and in gear while running.
Spinning axles... hubs are at issue
No spinning axles... Transfer case issue.

Jan 09, 2009 | 1996 Nissan Pickup

1 Answer

I have a 1988 chevy pickup. The 4 wheel drive does not work. the transfer case is kicking in but the hubs are not. The front shaft is spinning in 4 wheel drive bu the hubs are not engaging


OK If you have manual locking hubs, one could be acting up. Jack the rear wheels off the ground and block the front wheels. Be sure you have the trucks back axel supported, not just on jacks! Then, with a person in the drivers seat, put it in gear. The 'driver' will turn the steering from lock to lock, while you check [from outside the truck, not under]] for the shaft at the front wheels that is spinning. This is the prob ! Frankster016

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2 Answers

Warn manual hub install 2000 f-250


THE KNOB ON THE DASH ENGAGES THE TRANSFER CASE, WHICH TURN THE AXLES. THE MANUAL HUBS LOCK THE WHEELS TO THE AXLES.


DCL

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