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Differential Servicing (Fluid Change and Clean) and other ?'s

1K views 3 replies 4 participants last post by  habitatxskate 
#1 ·
I did try and use the search, that is what I usually do but I keep getting the "404 ERROR - FILE NOT FOUND" when I try using it.

Truck- '98 1500 V8 5.9 auto with D44/9.25

I sunk my truck pretty bad at lake altoona a few weeks ago (they have drained the lake and it is really fun to go to if anyone is around the area) and I destroyed my transmission. I get the truck back on wednesday and the entire transmission was rebuilt and the torque convertor has been replaced but I am going to try and do the rest of the work myself (if possible) because I am only 18 and trying to put myself through college right now. I wanted to start out by changing the fluid in the diffs. Is it as easy as taking the covers off and draining the fluid out of there and then filling it back up again? How can I clean out the differential before filling it back up? The engine was under water almost completely except for the intake and I am almost positive nothing got down in there from that area, but I was going to run some seafoam through the gas tank, pcv valve, and directly into the throttle body (is that a good idea?)

What else would you do to serivce the truck after what happened?

Thanks
 
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#2 ·
All you have to change the diff fluid is drop the covers. If you want to be lazy, Jiffy Screwed will do it for like 40 bucks without removing the covers (they pull the fill plug and suck that stuff out). If you do it yourself, Make sure you put some sealant on the inside of the diff cover before you put it back on. As for the sea foam, run it through a tank of gas then do a tune up cause it'll gum up your plugs. I would drain and refill the t-case too just to be safe. I don't know what model case you have, but most of them take atf. Good luck and stay out of lakes! :flipoff:
 
#3 ·
:withstupid: simple just drain it and rtv the cover back on. go and buy a 5 gallon bucket of gear oil. it will save you in the long run over buying quarts of fluid. And as already mentioned about changing your t-case fluid, it should have been changed by your shop doin the rebuild on the tranny cuz when they pulled the t-case to pull the tranny it would leak out everywhere when the rear drive shaft was pulled.
 
#4 ·
very simple (i flooded my rear since the breather tore) anyways

first take the time to open the filler (depends on axle) could be on the cover, or on the side.

anyways stick your finger in, if it is white/yellow then drain it, if not, keep it.

anyways if so, yank the cover off, use brake cleaner to clean it out. then use rtv sealant and bead it onto the cover, let it get slightly dry, (take a 5 minute break) then put the cover on and tighten like a tire, circulating around the bolts and tighten.

fill until it comes out the filler.

oh and edit:

motor, yank the plugs off (and obviously the dist. lines) and then try and turn the motor over, it will get any water out and prevent hydro locking) use denatured alcohol in the tank, or drain it which is crazy at this point in time with gas prices

t case, just drain while your at it..
 
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