Diff cover replacement

75-140 is for towing package if Im not mistaken. If you use full synthetic you shouldnt need friction modifier. 1.35 Quarts in front, 2.35 Quarts in the rear.

Rubicon lockers do not need friction modifier of any sort. Return that.

The 140 for the rear is recommended for towing applications.

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Robnoxious1 said:

75-140 is for towing package if Im not mistaken. If you use full synthetic you shouldnt need friction modifier. 1.35 Quarts in front, 2.35 Quarts in the rear.

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I assumed both Dana 44s carried the same capacity. This explains why I have been spewing fluid out of my breather hose out front since I changed the oil last week.

tiltz said:

I assumed both Dana 44s carried the same capacity. This explains why I have been spewing fluid out of my breather hose out front since I changed the oil last week.

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Better too full than not enough IMO. Makes a mess, but the alternative sucks. For what it's worth, my 110% factory filled diffs burped fluid on my first long highway run.

Goodysgotacuda said:

Better too full than not enough IMO. Makes a mess, but the alternative sucks. For what it's worth, my 110% factory filled diffs burped fluid on my first long highway run.

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Thats funny, my front was overfilled from the factory also. Made a heck of a mess when I checked it the first time.

Rob

Since no one has mentioned it, 75w90 is what you should run in both axles if you are not doing any towing.

Hate to hijack.....buuut.

I just did this today.

now apparently the tourque specs are a little off for the supplied grade 5 hardware that comes with the Solid Diff Cover ( I only found this out after I searched here and after I had an issue with two of the bolts)

my issue is this, two of the bolts started to spin freely with only 25ft of tourqe, figured I would toss them and thrown in the stock bolts until i could get some grade 8 hardware tomorrow.

however upon removal it appears that the bolts are ok, and they may have spun in the housing...the stock bolts wouldnt grab ... I am wondering if I stripped the housing itself ? which would be kind of strange withg only 25ft.. the cover is on thre tight and doesnt leak...I am now concerned that the lowver part will peel since one of the loose bolts is on the bottom.

going to get some new bolts tomorrow and try that, but is this a major issue if teh housing is stripped ?

Could be an issue,try the new bolts you get tomorrow,if they spin as well you may have to re-tap the holes in the pumpkin.

I'm actually going to be installing my rear SOLID diff cover tomorrow,using a lube locker gasket.

JC

thanks... yea, used a lube locker for the first time, and followed their recommended sequence and tourqe specs.... I would say that 15 - 20 is sufficent... and 25 is too much ! lol

If the lower bolt is stripped just helicoil the hole and add a new bolt.

jeep2007 said:

If the lower bolt is stripped just helicoil the hole and add a new bolt.

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u know... this was the first thought i had.... brought me back to my old dirtbike days as a kid, when we would strip our drain plugs ! lol