Question about 1987 Ford Bronco

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'87 bronco II transmission and transfer case

What is the proper lubricant for each of these

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What engine? auto-manual? t-case mercon automatic fluid same for manual trans

Posted on Sep 21, 2008

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89 bronco ii won't go into 4x4 or low range


ON LEVEL GROUND
With the transmission selector in "park", start the motor.
With your foot on the brake pedal (steady-constant pressure), move the transmission selector gear to neutral- then turn the 4 X 4 selector knob to 4-wheel drive high. Wait for the 4 X 4 engagement.
Once it is in 4-wheel drive high, with the transmission selector still in neutral, quickly pump the brake peddle twice, keeping you foot on the brake pedal on the second pump, turn the 4 X 4 selector knob from high range to low range. The transfer case should then change from 4-wheel drive high to low.
Electronics being what they are, you sometimes have to repeat the process. You may even have to inch forward or backward.
[I have an '01 Excursion and an '05 F250 with 4 X 4 on the fly...I miss my '97 F250 with the manual 4 X 4 shift on-the-floor!]
Anyway, check the fuse panel for any blown fuses.
Double check to make sure that the problem is not just blown 4 X 4 lights on the instrument cluster. With the nob turned to 4-wheel drive, have a second person- a spotter, check to see if the drive shaft to the transfer case is moving. If it isn't, you have to delve into the troubleshooting process.
Check the solenoids, vacuum hoses, vacuum actuator, and transmission range sensor on the transfer case. .

Nov 27, 2013 | 1989 Ford Bronco II

1 Answer

Help? Suddenly my 1987 bronco II manual trans 4 wheel drive will not move in any gear.


First, did you check on the driveshaft? It's not dropped or has a broken U-joint and/or yoke? Will the truck move in 4WD? If so, the problem lies with the drivshaft and rear end. If not, then the problem lies in the transmission and transfer case. Can you shift gears while the engine is running without them grinding? If so then the clutch assembly is good, otherwise you need to look there.

Oct 20, 2013 | 1987 Ford Bronco II

1 Answer

Transfer case oil level


The oil specification for the transfer case in a 1984 Ford Bronco II is "Automatic Transmission Fluid, DEXRON II"

DEXRON II is pretty hard to find these days, so DEXRON III or MERCON III can also be used.

Jun 09, 2012 | 1984 Ford Bronco II

1 Answer

I need to know how to remove the transmission on a 1986 ford bronco 2


That is not a job, to do in your driveway,certainly not as winter approaches

Remove transfer case first,then trans.

Need a floor jack and at least one helper.

You could get hurt real easy,those parts are so heavy, you need two people to put trans on the bench

Nov 07, 2010 | 1986 Ford Bronco II

1 Answer

I am going to tow my 87 Bronco II behind my motorhome. It is a 5sp. I believe I am to put the tranny in neutral and the transfer case in neutral, is that right? Also do I unlock the steering wheel?


all the wheels and transmision should be free to move and for your piece of mind, if the car fell off the towhitch,you would want the car to head towards the soft verge, NOT towards oncoming traffic.so lock the steering wheel turned slightly right.also make sure you fit an anti snake device.

Aug 14, 2010 | 1987 Ford Bronco II

1 Answer

I have an 87 Bronco, full size with 5.0L efi. I can shift from 2wd to 4wd his with no problem. I can also put the transfer case in Neutral. The transfer case will not go into 4wd low. Also must shut...


This is going to be in the synchros in the T-case. The most economical way is to either have the unit rebuilt or replaced used. If you need any other info, let me know.

Aug 08, 2010 | 1987 Ford Bronco

1 Answer

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.

Nov 06, 2009 | 1988 Ford Bronco II

1 Answer

What is the capacity of the transfer case and exactly what fluid do i use


GM Full-Size Trucks 1980-1987 Repair Guide

Transfer Case - FLUID RECOMMENDATIONS
The type of lubricant used in the transfer case varies with model year and type of transfer case. Refer to the list below for the type that applies to your truck.

1980
Conventional transfer cases require SAE 80W or SAE 80W-90 GL-5 gear lubricant.
Full time systems use SAE 10W-30 or 10W-40 engine oil.
1981
Conventional transfer cases require DEXRON®II transmission fluid.
1982-85
All transfer cases require DEXRON®II transmission fluid.
1986-87
All transfer cases except the K30/35 series require DEXRON®II transmission fluid.

For fluid recommendations for the K30/35 transfer cases refer to the owner's manual.
LEVEL CHECKS

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Fig. Model 208 Transfer Case

Check the four wheel drive transfer case lubricant level every 4 months or 6,000 miles.
  1. With the truck parked on a level surface and the parking brake firmly applied, remove the filler plug from the rear of the transfer case (behind the transmission). Be careful not to take out the drain plug at the bottom.
  2. If lubricant trickles out, there is enough. If not, carefully insert a finger and check that the level is up to the edge of the hole, EXCEPT in full time four wheel drive cases should be 1 /2 in. below the hole.
Lubricant may be added, if necessary, with a funnel and tube, or a squeeze bulb.



DRAIN AND REFILL
Part Time Systems
No intervals are specified for changing transfer case lubricant, but it is a good idea for trucks that are worked hard or driven in deep water.
  1. With the transfer case warmed up, park on a level surface and apply the parking brake.
  2. Slide a pan of a least 6 pts. capacity under the case drain plug.
  3. Remove the filler plug from the rear of the transfer case (behind the transmission). Remove the drain plug from the bottom.
  4. Wipe the area clean and replace the drain plug.
  5. Add lubricant with a suction gun or squeeze bulb. Conventional transfer cases require SAE 80W-90 GL-5 Gear Lubricant.
  6. When the lubricant level is up to the bottom of the filler hole, replace the plug.
Full Time Four Wheel Drive
The full time system requires oil changes at regular intervals, according to the amount and type of work done by the unit. Trucks used for normal on-off road work should have the transfer case oil changed at 24,000 mile intervals. When used for heavy duty work, trailer towing, snowplowing, and the like, the interval should be halved to 12,000 miles. If the truck is exposed to extremely dusty or muddy conditions, the oil should be changed at 1,000 mile intervals.
The transfer case oil must be hot before changing. Drive the truck until the engine has reached normal operating temperature, and park on a level surface.
  1. Slide a pan of at least 8 pts. capacity under the case drain plug.
  2. Remove the filler plug.
  3. Remove the lowest bolt from the front output shaft rear bearing retainer cover, and allow the lubricant to drain. Be careful; the oil will be hot. There may be a drain plug. If so, remove that instead.
  4. Remove the six bolts on the left (driver's) side of the case which secure to P.T.O. (power take-off) cover. Remove this cover and allow the lubricant to drain out.
  5. Remove the speedometer driven gear from the upper left rear corner of the case.
  6. Use a suction gun to remove as much lubricant as possible from the case cover location and the speedometer gear location.
  7. Install the speedometer driven gear, the P.T.O. cover, and the lowest bolt or drain plug.
  8. Add approximately seven pints of oil through the filler plug opening. The proper oil to use is 10W-30 or 10W-40 engine oil.
  9. Check the fluid level and add sufficient oil to raise the level to 1 /2 in. below the filler plug opening. Replace the plug, and wipe the surfaces of the case and skid plate to remove any excess oil. Drive the truck and check for leaks.

I really hope help ypou woth this (remember rated this help) Good luck.

Oct 16, 2009 | 1983 Chevrolet Silverado

1 Answer

TRANSMISSION


The two wheel drive tranny won't work because it will be longer. The tranny that came out of the 4 wheel drive is shorter and the transfer case bolts to the rear of the tranny thus it has a shorter output shaft and a different spline to accommodate the transfer case. You need to find the correct tranny unless you want to change the internals from one tranny to the other.

Feb 26, 2009 | 1988 Ford Bronco II

1 Answer

88 Bronco ii won't shift into 4 wheel drive.


Check to see if you are getting power through your switch on your dash. I also suspect your shift motor but it is a lot easier to check it with a test light.

Jul 01, 2008 | 1988 Ford Bronco II

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