JT4x4
The Mud Pit => Wrenching => Topic started by: rocket on April 29, 2009, 03:18:30 AM
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Any one replace a rear main seal on a 4.0 yj? Reg's wife has asked a mechanic friend and I if we would do it as a surprise for his return. I've done a SB chevy, but never a jeep.
This could be a wrenching party, too :D
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I wish I could help but we just moved our pack out dates to next Tuesday, Wednesday, and Thursday...Leaving on the 14th...
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I've replaced a rear main seal on 2 CJ7s and a 91YJ. They were the same, but I think they were all 4.2L engines. They are easy to do as they are a two piece seals. I'd be game for a wrenching party.
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Never done a rear main seal, but I have pulled the oil pan, and from what I have read, not much more involved from there. Never met Reg, but I have heard he has the same Jeep I have, same color an everything. Depending on when we do it, I in.
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the rear main is very easy on those, but a little tricky at the same time. just pull the pan and the last mian cap and it might just slide right out.
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Its going down saturday morning (late morning, maybe like 10 or so). Who is coming? I don't need tons of help, but relish company
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I'm supposed to go with a couple guys from work out to Manchester Saturday at 11:00. I don't think I'll be able to make it Saturday morning.
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Did mine myself on my 93 cherokee, hardest part was lining all the damn bolts back up to put the oil pan back on, I ended up sliding a jack under it to hold it up. Just be really carefull with whatever you use as a punch to get the old seal out, I reccomend something plastic. I ended up unbolting the starter but was able to leave the exhaust on. It may be different with your YJ. Just follow this http://www.jeepin.com/features/rearmain/ you should be able to get it done without to much trouble.
Duece
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Duece
Umm sorry to go off topic but....Is that really your name, or have you just taken on a really bad nickname??
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Haha, my last name is Doucette (Do-Set) So everyone calls me Douce, or Duece, whatever spelling you like. Of course I get the occasional "douche" lol
deuce1   /dus, dyus/ Show Spelled Pronunciation [doos, dyoos] Show IPA
–noun 1. Cards. a card having two pips; a two, or two-spot.
2. Dice. a. the face of a die having two pips.
b. a cast or point of two.
3. Tennis. a situation, as a score of 40–40 in a game or 5–5 in a match, in which a player must score two successive points to win the game or two successive games to win the set.
4. Slang. a. a two-dollar bill.
b. the sum of two dollars.
–adjective 5. (esp. in games, sports, and gambling) two.
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Haha, my last name is Doucette (Do-Set) So everyone calls me Douce, or Duece, whatever spelling you like. Of course I get the occasional "douche" lol
deuce1   /dus, dyus/ Show Spelled Pronunciation [doos, dyoos] Show IPA
–noun 1. Cards. a card having two pips; a two, or two-spot.
2. Dice. a. the face of a die having two pips.
b. a cast or point of two.
3. Tennis. a situation, as a score of 40–40 in a game or 5–5 in a match, in which a player must score two successive points to win the game or two successive games to win the set.
4. Slang. a. a two-dollar bill.
b. the sum of two dollars.
–adjective 5. (esp. in games, sports, and gambling) two.
Never heard of dropping a duece??
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yeah that 2 haha, but thats because your dropping a #2, hence deuce
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or as Stewie says,
(http://i39.tinypic.com/21aiq2g.jpg)
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starting about 11, picking the jeep up around 10
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no takers? No prob, only room for so many people under the jeep.
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have to work until 4
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Jeremy, how did it go? For me the hardest part was lining up the oil pan when putting things back together. I wish I could have come out and helped, but I had a previous engagement.
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my oil pan gasket came with the little plastic barbs that thread into the holes for the oil pan and hold the pan and gasket in place until you can get the rest of the bolts started.
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Overall it went well. due to the lift, the pan had plenty of clearance to come off/on. We used a one-peice fel-pro rubber gasket w/ crush sleves, so no worries about the torque! The hardest part was pushing the upper part of the seal out. I had to use a long, narrow punch w/ a hammer, but was a little worried about scraching the inside, but it seemd to do fine. Jeep is back together in my driveway.
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Any good tips or tricks? It looks like TJ777 will need to do one soon. He switch to Full Synthetic and the rear main seal has a small leak.
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find a brass punch so you don't worry about scraching the block, also a drip tray to save the garage floor from oil
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find a brass punch so you don't worry about scraching the block, also a drip tray to save the garage floor from oil
use the lower half of the rear main seal to poke the upper half out. works even better. then when you push the upper half way out you can use pliers to pull both sides back down. no worries at all about scoring the crank or the boss.