rear axle question

cj3a · Aug 21, 2006

my rear end whines like there is no tomorrow. I had it "serviced" at jiffy lube thinking replacing the gear oil may solve the problem, but no avail.
i did a search for a ford 8.8 swap but i might be doing something wrong.
I'm about to give this jeep to my dad and don't want to have the rear end to go out on me or him.
any guidance would be appreciated

its a 93 4.0 Laredo with 195000 miles on the chassis

AndyZJ · Aug 21, 2006

1. Don't go to Jiffy Lube, they are known for screw ups. 2. Make sure they actually put gear oil back in. 3. The gears or bearings may have just gone bad, they do that. How old are they? Original?

redzjon31's · Aug 21, 2006

X2 never go to Jiffy Lube !!!!!!!!!!!

cj3a · Aug 21, 2006

i bought it from the original last year with 189000 miles si dont thing she did anything to the rear end.

blackout59 · Aug 22, 2006

Pretty typical, even with lower mileage.......
Carrier bearings are going (actually probably been gone for a while)
Need to pull the rear axles to get the gears out and get at the bearings.
Not for the faint hearted. Need some cool tools to compress everything back together proper. Assuming it's the dana 44 like mine

MCracco · Aug 22, 2006

He has a D35 and it's probably the pinion bearing.

1993GrandZJin · Aug 22, 2006

how hard is it to change the pinion bearing? mine does the same thing, has done it since 195,000 miles and im at 240,000 now, and its gettin worse, i used to be able to have it go away some times when i was on the gas, or in corners, now its just almost always there. Leaks gear oil outta the pinion also.

AndyZJ · Aug 23, 2006

I second the pinion bearing.

Also i'm just completely amazed at the mileage you guys have on these rigs. Original Motors? I only have 156000 just about and thats a '95.

cj3a · Aug 23, 2006

I swapped my engine out with a 100000 mile engine after the oil pump went out between vegas and barstow.
i do love my zj, though

1993GrandZJin · Aug 23, 2006

my ZJ shows 235,000 miles, and i put my 31's on at 204,000 miles. So ive got about 240,000 miles on my ZJ now. Its all original with me being the second owner of it. I got it at 188,000 miles in Jan 04. Most of the miles it came with are freeway miles and i have put mostly freeway miles on it. I have replaced the alternator, water pump, plugs, distributor, cap, rotor, and computer. Mines been a great ZJ to me, and i have thought about sellin it a couple times, but it always seems to find a sweet spot with me and i cant part with it. I got the 4.0, and it goes through about 2 quarts of oil per oil change. I know its not long for the world though, as the head is cracked and leaks some oil outta it now. Still has the power to pull 70+ when needed. :lol:

rear axle question

cj3a

AndyZJ

redzjon31's

cj3a

blackout59

MCracco

1993GrandZJin

AndyZJ

cj3a

1993GrandZJin

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