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Elizabeth Randolph Posted on Apr 05, 2017
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My 1990 bronco when shift to 4 wheel drive high, it goes to 4 lo ? manual shift, skips hi, need help.thanks. no noise from transfer case, linkage looks fine

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5 Related Answers

Anonymous

  • 74 Answers
  • Posted on Sep 22, 2008

SOURCE: ford explorer 1998 2 door transfercase problem

did you put it in nuetral then switch it, wait a few seconds then put in reverse and back up a couple of feet and nuetral again, i had to do this on my explorer sometimes.

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Anonymous

  • 73 Answers
  • Posted on Jan 14, 2009

SOURCE: 2000 F350 Super Duty Will not go into 4 wheel drive

I have recently had this problem with a customer. It seems the 4x4 low will only engage in neutral with the brake applied. And also check fuse. Then select drive and you will feel it lock in. Don't "goose" the fuel when attempting this.

Anonymous

  • 1 Answer
  • Posted on Jan 21, 2009

SOURCE: 05 f150 4x4. 4 wheel drive lights come on but it is not engaged?

change actuator in front hub water gets in there freezez and ruber seal rips part only 120.00 bucks not hard to change beat upper ball joint take of spindle nut think it was 5/8 3 bolts in back should fall out

Anonymous

  • 29 Answers
  • Posted on Sep 28, 2009

SOURCE: 2005 Ford F150, 5.4L V8, 4x4; The transfer case

Encoder motor located on the transfer case is usually the problem. It is the motor that shifts the transfer case.

Testimonial: "Will look into this and report .Thanks so much"

Anonymous

  • 984 Answers
  • Posted on Feb 18, 2010

SOURCE: the transfer case will not shift into 4 wheel hi

I would suspect the vacuum disconnect motor or the vacuum solenoids for the disconnect motor ( or the vacuum lines ), but best to confirm
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.

With the engine running ( and wheel chocked, parking brake on ) have someone shift into 4WD, and watch the shift motor to see if it operates
It is on the front axle, looks like this
85ec248.jpg

If the disconnect motor does not shift, you can check the vacuum on the lines with a vacuum gauge. Blue line is 4WD operation, pink line is 2WD operation.
The vacuum solenoids are on the firewall, and look like this
50a3265.jpg

This is the block diagram for the ESOF vacuum operation of the disconnect motor.
c01c924.jpg

This is assuming you have checked the fuses for the transfercase shift motor, and the vacuum solenoids.

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Related Questions:

1helpful
2answers

1990 Ford Bronco. I dont know much about vehicles but the shifter shifts into 4 High but doesn't engage the 4-wheel drive and I can't shift it to neutral or 4 Low. Any advice is accepted thank you?
MANUAL TRANSMISSION? or auto, well no matter
the transfer case matters./
FIRST TIME EVER USING PART TIME 4WD, CAR?
IF YES IT ONLY WORKS OF ROAD OR ICE/SNOW, NO ON PAVEMENT UNLESS COVERED IN ICE SNOW.
IT IS NOT FULL TIME 4WD OR AWD.
i CAN NOT SHIFT THE 4WD LEVER TO NEUTRAL YOU MEANT?
WELL THAT MEANS YOU WOUND UP THE FRONT AND REAR AXLES LIKE A SPRING,AND THE ONLY CURE IS 1 WHEEL(TIRE) MOVE TO DIRT.?(ICE) OR MORE.
THEN IT UNWINDS.
This car has no center differential.
and is not AWD or full time 4wd,
it s part time, means (ice or dirt ) said simple
moving car like that steering goes wild and fights you.
4wd is pure ww2 jeep like or like my new jeep wrangler
the user guide lost 32 years ago tells this same story..
of dry pavement locked , are you.
jack one wheel off ground and it un-winds.
with PART time 4wd, turning the inside wheel spin slower
and you wind it up just like clock. a very unsafe practice
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Dec 13, 2022 • 1990 Ford Bronco
0helpful
1answer

2003 Ford Broncos 4 wheel drive stuck in 4 wheel but light is on but other lights are on they flicker off and on.
Ford Bronco or Explorer? They discontinued the Bronco in 1996. Is it stuck in 4 high or 4 low? Do you have a manual shifter or a push button? If you have an automatic electric system you may have a bad transfer case motor or switch. If you have the manual system, make sure that the shifting levers are free and not damaged or restricted from moving. Try rocking from forward to reverse while trying to shift out of 4x4.
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Feb 01, 2019 • Ford Cars & Trucks
0helpful
3answers

Jeep in four wheel drive
Shift the transfer case to N while it is making the noise. If the noise goes away the transfer case is the culprit.
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Nov 22, 2017 • 2003 Jeep Grand Cherokee Limited
0helpful
2answers

Transfer case stuck in 4 lo. was going down freeway and transfer case popped out of 2h pulled over could only get 4lo to get off fwy. Now it's stuck in lo.shift lever goes through gears but won't disengage...
That maybe the case however I would check to make sure the linkage from the 4wd shifter did not pop out from the transfer case first.
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Jan 26, 2011 • 2000 Dodge Ram 1500 Truck
0helpful
1answer

My truck was engaged into 4 wheel drive lo and now it will not engage into anything else. It is a 2004 silverado with push button 4 wheel drive.need to know where my acuator and module is located to see if...
Your transfer case encoder motor [the thing that shifts the transfer case] is located on the LH side of the transfer case. I believe the control module should be located behind the dash near the light switch area.
If it stays in 4-Lo and the push button indicator just flashes for a while when you select, say, 2 Hi then stops blinking and goes back to the 4-Lo position then I would have someone hook up and check to see what service codes are present. I see a lot of encoder position sensors go bad but you really need a scan tool hooked up to the system to be able to watch what is happening as the shift is attempted. There aren't any vacuum controls on this system.
Hope this helps you out a bit!
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Nov 28, 2010 • Chevrolet Silverado 1500 Cars & Trucks
0helpful
2answers

My 4x4 is stuck in four wheel low it is shift on the fly and i have already replaced the transfer case motor
Ok here is a long shot but sometimes it will work. Put the 4wd position switch to 4wd Lo, put your transmission in reverse and back up for about 50 yards, stop and put your transmission in neutral, then shift the 4wd to 4wd hi, wait a few seconds and shift the 4wd to 2wd hi, Sometimes the t-case will get stuck and this is how you reset the computer. I have known people that really got their t-cases messed up because they thought that shift on the go meant that they could shift the t-case into 4wd LO while moving but shift on the go is only for 4wd hi the gears will not mesh up fast enough for 4wd LO because the ratio is 1 to 1 . I hope this helps you.
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Feb 08, 2010 • 1990 Ford Bronco
1helpful
1answer

Transmission fluid leaking back, 1988 Ford Bronco
your output seal on the tranny or input seal on your transfer case is bad. you have to pull your transfer case to tell. this is a pretty straight forward job. block wheels. put transfer case in neutral. drop front and rear drive lines.diconnect transfer case shift linkage. there is a short commponent connecting the trans to the transfer case. the bolt on either end face each other. remove the bolts to the transmission. the transfer case is heavier than it looks, i suggest getting help. pull back on the transfer case until it will drop down. it will pull out a bit because of the trans output shaft. replace what will probibly turn out to be the tranny output shaft seal and reassemble in reverse order.
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Nov 06, 2009 • 1988 Ford Bronco II
0helpful
1answer

4 wheel drive doesn't work
sounds like the shift motor on the transfer case is going bad.
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Aug 29, 2009 • 2004 Chevrolet S-10
1helpful
1answer

Transfer case pops out of 4-lo
Either your linkage is not properly adjusted or the shift fork is a bit worn inside the transfer case. I have a bit of wear on my own and shift into low range while rolling with no load, between 5&20mph and it works fine except that I need to anticipate needing it before hand. One important rule...If it grinds, don't force it into gear. That will cause damage.
Also, if you just got it, change the oil in there...you have no idea when it was last serviced.
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Apr 17, 2009 • 1997 Jeep Cherokee
21helpful
3answers

2001 Dodge Durango stuck in 4 wheel-Low. Won't switch back to 2WD
Just to clarify, the "transmission" is not stuck in 4-Lo. It is the "transfer case" that is attached to the transmission that actually engages the 4-Hi and 4-Lo modes. To properly shift your vehicle into 4-Lo, you know that you have to shift the transmission into neutral and slow down to less than 5 mph. Once your vehicle slows down to this range, your can switch your transfer case into 4-Lo mode. Due to the inner workings of the transfer case, the actual shift into 4-Lo may take a few seconds to complete. This is normal and does not signify that there is an issue. All transfer cases that have 4-Lo mode will act this way regardless of the make or model. To make a long story short, to shift out of 4-Lo you must follow the same steps that you took to shift into 4-Lo, just in reverse order. Switch the transfer case to 4-Lo mode if it isn't already there. Slow down to less than 5 mph (your vehicle must be moving, though). Then, shift your car into 4-Hi or 2WD. Give your vehicle several seconds to complete the shift. The transfer case indicator light will flash until it is complete. When it does complete the shift into the new gear mode, you will most likely hear a "clunk" (the range sleeve inside the transfer case disengages from its mating spline) from under your car. Again, any transfer case with 4-Lo (regardless of make or model) will exhibit this same noise. This should help you get out of 4-Lo. It is good practice to shift your car into and out of 4-Lo at least a few times each year to keep all of the splines free of corrosion and build-up. Based on the age of your vehicle, your transfer case may also need a complete flush and some new transmission fluid. Hope this helps.
Read full answer
Feb 22, 2009 • 2001 Dodge Durango
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1990 Ford Bronco. I dont know much about vehicles but the shifter shifts into 4 High but doesn't engage the 4-wheel drive and I can't shift it to neutral or 4 Low. Any advice is accepted thank you?

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