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ford bronco 4 wheel drive


toyota02t's Avatar
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11-19-03, 04:06 AM   #1  
ford bronco 4 wheel drive

the 4 wheel drive recently stopped working, i have the model that has 4 wheel drive screen above rearview mirror. is there a common problem with this type off vehicle that causes 4 wheeldrive to stop working? what can i check?

 
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11-19-03, 07:11 AM   #2  
more info...please?

it always helps to give accurate info about the vehicle you are referring to...can't look up any specific info without it and there are more than one 4WD system found on ford trucks

 
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11-19-03, 01:49 PM   #3  
year is needed to help along with if its a fullsize or bronc 2

 
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11-19-03, 01:57 PM   #4  
Also does it have auto or manual hubs?

 
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11-19-03, 02:45 PM   #5  
it is a 1986 bronco with auto hubs

 
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11-19-03, 02:56 PM   #6  
i had an 85 and i had the same problem....the hubs went bad. you can get replacement manual lockers from warn for like 300.00.

i just pulled the front pig out and ran 2wd.....

 
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11-19-03, 03:21 PM   #7  
about $140 for hubs and conversion kit through parts america. make sure the front driveline turns when you lock in the 4x4, that will isolate the problem to the hubs or an axel broken in the front end. if you don't have the money, try taking the auto hubs out and cleaning them and putting some good grease back in there.

 
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11-19-03, 03:55 PM   #8  
the shift into 4 wheeldrive on the move, seems not to be working, the electric motor is good. problem seems to be from shift into 4x4 while driving buttons to electric transfer case motor. perhaps a relay but cant find relay in manual.

 
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11-19-03, 10:37 PM   #9  
mike from nj
are you sure it's shift on the fly?

auto locking hubs doesn't necessarily mean "shift into 4 wheeldrive on the move"

did you try shifting it at zero mph

 
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11-21-03, 07:26 PM   #10  
yes auto hubs , 4 x4 will not engage standing still or moving, has push button 4x4

 
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11-21-03, 07:46 PM   #11  
I'm nuts again, but disconnect the battery and hold the terminals together and reconnect them.See if it works now.

 
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12-06-03, 11:22 AM   #12  
holding battery terminals together had no effect

 
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12-07-03, 05:50 AM   #13  
can you hear the shift motor moving the transfer case mode selector?How did you check the motor to know it is good?I have seen where the motor gets between mode selections and will not shift the case.Remove the shift motor and look to see if the shaft is between selections.If I remember correctly it's marked 2 hi,4 hi neutral,4 low.If it's between points manually move it to 2 hi,then use a battery and some jumper wires to turn the motor back to the 2 hi position.Reinstall and see if it works.Please reply with your findings.

 
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