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zakruti.com » Auto & Vehicles » South Main Auto Repair
Transmission Fluid Low / No Leaks / Replace Transfer Case Input Seal - Ford F150

Transmission Fluid Low / No Leaks / Replace Transfer Case Input Seal - Ford F150

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Rating: 4.0; Vote: 1
I show you how to remove your Borg and Warner 44-06 Electric Shift Transfer Case from the 4R70W Transmission on this 2003 Ford F-150 4. 6L and replace the input shaft seal. The problem the customer had was, the transmission indicator showed that there was no fluid in the transmission. Upon inspection he saw no visible leaks. However the transmission was 3 quarts low. That's when he brought it to me and I discovered all the transmission fluid was in the transfer case. NAPA# 18771 Transfer Case Input Shaft Seal NAPA# 99187 Transfer Case Input Shaft Speedi-Sleeve T-Case Info: The Borg-Warner 44-06 manual shift and electronic shift transfer cases are a three-piece magnesium design. The unit transfers engine power from the transmission to the front and rear axles. Under normal driving conditions the unit is in 2-wheel drive high (2H, but when desired, the operator may shift into 4-wheel drive high (4H) or 4-wheel drive low (4L. The operator may shift from 2H to 4H or from 4H to 2H at any speed up to 88 km/h (55 mph. The vehicle speed must be less than 5 km/h (3 mph, the brake applied, and the transmission in NEUTRAL to shift into 4L. The transfer case is shifted either manually or electronically. The unit is lubricated by a positive displacement fluid pump that channels fluid flow through holes in the rear output shaft
Date: 2020-08-05

Comments and reviews: 10


Great video.
I would suggest as a first step to remove the fill plug on the transfer case. If the seal is actually blown the T-case will be way over filled and will puke fluid from the fill hole, confirming the diagnosis. If it doesnt do that then you can start looking elsewhere for the missing trans fluid.
Its also good general practice to always remove fill plugs before draining. It will drain faster and smoother with a hole for air to get sucked in and also ensure that youll be able to refill it after draining. I know that isnt real important in this case since youll have the case out anyway, just a good habit to be in.
Keep making these great videos. Really helps us do it yourselfers.

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I don't even know how one would balance a driveshaft that has u-joints and yokes on it, or why anyone would want to do it that way. I believe they balance each piece individually. I doubt u-joints and yokes need to be balanced. The imbalance that is in a driveshaft is simply because of its length, its construction (welded seam tube, welded-on u-joint yokes, and this all introduces harmonics. Doing a u-joint job wrong by bending the ears will have way more impact of balance than not marking the position of the transmission yoke compared to the driveshaft yoke.
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Great Video: It will help me when I get around to replacing the gasket on the rear of my 4R70W transmission extension housing and transfer case input seal on 2002 F-150 FX4. Question. Until I have the time to fix that is there anything like permetex ultimate grey or RTV that I could use temporarily to stop or slow the leak if i cleaned the surface real good with break cleaner sprayed on a rag and wipe on the bottom and sides of the housing. I'm keeping a close eye on the fluid level and adjusting it twice a day.
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Thank You! I was replacing a rear drive seal on a 1992 firebird. A coworker is a SAE mechanic told me to rub permatex on the outside of the seal. I had zero issues with the seal and the leak was gone. But it was a funny thing to do. I do commercial aircraft maintenance The ouster panels are sealed. The sealant handle is great. To remove and install panels, the speed handle is first choice. I own one swivel socket for a peticular job. Its a half inch. This is a video that brings back memories.
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I have a question. I know its not suppose to, but the front drive shaft on a 2012 Ford Mark LT 4x4 has a lot of play approximately 1/4 of a turn. In the front drive shaft connected to the front differential and the front drive shaft connected to the transfer case. What do you think? Transfer case needs to be replaced? What about the front? Do you think think the gears are bad or where the axle is connected to the the front driveshaft. Awesome videos by the way. let me know what you think. Thank you
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Good grief just how much salt do they put on your roads in the winter, also how much Calcium Chlorine do they put down to control the road dust in the summer, to cause that much rust. We don't even see that much rust in the Upper Peninsula of Michigan.
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Since I had to do this job on my K1500 on my garage floor; I opted to get the Performance Tool W83026 GM Torsion Bar Unloading Tool. Much easier than trying to swing a pipe wrench with one hand. (especially for a little feller like me)
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I always spray around where the dipstick goes in with some brake parts cleaner and blow it off with compressed air before I pull it out. That way you don't get a bunch of dirt down in the transmission when you put it back
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Torsion keys all I do is measure from the floor to the wheel well above each tire when the weight is on the suspension lift up truck and giver poor mans front levelling kit on gmc lol
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You've come a long way with your presentation skills. Perfectly good here IMO, but your personality and sense of humor comes through much more on camera in 2019. a good thing!
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