Questions about diff & tranny oil... - JeepForum.com
 
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post #1 of 7 Old 02-25-2002, 02:41 PM Thread Starter
Carpe Diem
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Questions about diff & tranny oil...

My first trip to this forum and already asking questions.....

I have a '95 YJ with a manual tranny. I want to change the fluid on it and the differentials.

1. I found the drain plug on the bottom on the drivers' side. (That IS is it, correct?) Which of the plugs on the the backside of the tranny do I pull to add fluid and know when it's full? I saw two plugs on the backside, want to make sure I pull the correct one.

2. I'm planning on using Mobil 1... any problems with that? I'm always open to suggestions.

3. Where's a good place to get a pump to remove the diff oil? I have one large tube of the diff additive... is that enough for both diffs or do I need more?

Thanks, in advance, for your help.


'95 Black YJ w/ 2-1/2" lift. 'Betsy' has been to all three coasts, Mexico and Canada.
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post #2 of 7 Old 02-25-2002, 10:01 PM
ageofzeppelin
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Howdy,

I'm not sure which transmission you have, but on mine (which sounds to be a different one 4.0L '93 XJ) the fill hole is on the driver's side, and the drain hole is on the passenger's side. I don't think I have any holes on the bottom or back of the transmission. The transfer case plugs are are the back of the case, which is near the back of the transmission. Is that what you are looking at? Again, the drain plug on that is the lower one, the fill hole is the higher one. As far as the differentials go, generally, you would just take all the bolts off the diff cover, pry it off, and let it drain / rush out, clean it all up real nice, then install a new gasket and put the cover back on. Check you'r owner's manual to find out how much fluid you will need.
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post #3 of 7 Old 02-26-2002, 07:47 AM Thread Starter
Carpe Diem
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Age 'o Zep,

You're right, prying diff cover would be much better than a pump.

MAYBE I saw a securing bolt under there on the bottom side... I'll crawl back under there this weekend to double check.

Thanks for the info.

'95 Black YJ w/ 2-1/2" lift. 'Betsy' has been to all three coasts, Mexico and Canada.
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post #4 of 7 Old 02-26-2002, 09:03 AM
OldJeepguy
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All items get filled until it starts coming out of the fill hole.

Steve

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post #5 of 7 Old 02-26-2002, 07:20 PM
ageofzeppelin
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That's a good point, OldJeepGuy. You should probably use something like an old dishwashing liquid container to add the fluids. As for the amount you will (ie, if what you have will be enough) use the owner's manual for a guideline.
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post #6 of 7 Old 02-27-2002, 11:48 AM Thread Starter
Carpe Diem
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Thanks!!!!

'95 Black YJ w/ 2-1/2" lift. 'Betsy' has been to all three coasts, Mexico and Canada.
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post #7 of 7 Old 03-09-2002, 09:44 PM
jpwranglr9
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seams you all have covered the filling and draining. the diff uses GL5 while the trany uses GL3. DON'T PUT GL5 IN THE TRANS!!!. if you do use GL5 make sure its fully synthetic and is compatible with bronze syncro rings. GL5 with the high preasure additive can eat up your syncros.

Its not what you buy...its what you BUILD!!!
1995 YJ ,SOA with 4" procomp front 3.5" BDS rear 1" shackle rear, custom stearing, 35x12.50x15 pro-comp MTs, warn xd9000i, on-board air from A/C, dana 44 rear and 30 front with 4.56, powertrax no-spin rear, custom disks rear/trutrac front, warn front shafts, HD SYE kit, HD front and rear driveshafts, Warn 4X flairs, PIAA 520 ligts and on and on and on :)
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