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Unread 05-04-2015, 06:56 PM   #1
ctlebert
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2006 Jeep tj wrangler, oil leak

Having a bad oil leak, went to the mechanic tells me its the oil pan. replaces it but still leaking. Then says its a leak from the crank shaft, seals it but still leaking. then tells me I have to replace the crank shaft kit which is 2000 and says i might as well replace the whole engine for around 2500. The engine and car run good other than this leak. I just don't get how a leak went to a full on re build. Can anyone shine some light on this for me and potential fixes.

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Unread 05-04-2015, 07:01 PM   #2
MrSmiley
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Might be the rear main seal. But make sure it isn't something simplier than that. Try to clean all the oil off the bottem of the engine and then wait for it to leak again and make sure it isn't something eaiser to replace such as the valve cover gasket.
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Unread 05-04-2015, 07:04 PM   #3
ctlebert
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Originally Posted by MrSmiley View Post
Might be the rear main seal. But make sure it isn't something simplier than that. Try to clean all the oil off the bottem of the engine and then wait for it to leak again and make sure it isn't something eaiser to replace such as the valve cover gasket.
I honestly just think he doesn't no enough about jeeps.. like it wouldn't run well if if something drastic needed to be replaced
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Unread 05-04-2015, 07:06 PM   #4
01TJ-Bob
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Originally Posted by ctlebert View Post
Having a bad oil leak, went to the mechanic tells me its the oil pan. replaces it but still leaking. Then says its a leak from the crank shaft, seals it but still leaking. then tells me I have to replace the crank shaft kit which is 2000 and says i might as well replace the whole engine for around 2500. The engine and car run good other than this leak. I just don't get how a leak went to a full on re build. Can anyone shine some light on this for me and potential fixes.
Your mechanic is an IDIOT or THIEF or both. Find another mechanic quickly. How many miles on your engine? It sounds like the Rear main seal and he's not capable of the work.
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Unread 05-04-2015, 07:09 PM   #5
ctlebert
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240k on the engine but, its super clean and runs and drives well still.

edit: 150miles
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Unread 05-04-2015, 07:12 PM   #6
01TJ-Bob
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240k on the engine but, its super clean and runs and drives well still.
If he really thought it needed rebuilt he shouldn't of tried fixing any leak first. Take to someone else. It does have pretty high miles.
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Unread 05-04-2015, 07:15 PM   #7
ctlebert
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If he really thought it needed rebuilt he shouldn't of tried fixing any leak first. Take to someone else. It does have pretty high miles.
well he said the crankshaft kit which is 2000 with labor. Then he said I might as well rebuild it for 2500. The only thing odd about it is that it drives perfect and the engine runs well.
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Unread 05-04-2015, 07:18 PM   #8
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It could also be the valve cover gasket. They are known to leak in the back. When the oil runs down the back of the block it can look just like a rear main seal. Get a little engine cleaner and clean it back there (be careful where the water goes). Unless the valve cover is leaking profusely the drip may even go away for a short time.
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Unread 05-04-2015, 07:21 PM   #9
01TJ-Bob
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well he said the crankshaft kit which is 2000 with labor. Then he said I might as well rebuild it for 2500. The only thing odd about it is that it drives perfect and the engine runs well.
WTH is a crankshaft kit? Get it done somewhere else. 150K is not a lot on these engines. Then take back the invoice to the moron and see if you can get a few bucks back for the work he did wrong.
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Unread 05-04-2015, 07:27 PM   #10
ctlebert
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WTH is a crankshaft kit? Get it done somewhere else. 150K is not a lot on these engines. Then take back the invoice to the moron and see if you can get a few bucks back for the work he did wrong.
Thats just what he's saying, I have no idea. Seems sketchy to me. He's worked on his for 2 weeks and can't fix it. I just think he's sick of it and said that.
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Unread 05-04-2015, 07:37 PM   #11
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Originally Posted by 01TJ-Bob View Post
Your mechanic is an IDIOT or THIEF or both. Find another mechanic quickly. How many miles on your engine? It sounds like the Rear main seal and he's not capable of the work.
Probably is RMS but perhaps the crank has a groove worn in it so a new seal does not fix and he is saying it needs a new crank. At that point it would be about the same as a rebuild.
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Unread 05-04-2015, 07:41 PM   #12
ctlebert
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Probably is RMS but perhaps the crank has a groove worn in it so a new seal does not fix and he is saying it needs a new crank. At that point it would be about the same as a rebuild.
going to get a second opinion for sure either way.
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Unread 05-04-2015, 08:43 PM   #13
chevy2169
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Originally Posted by 01TJ-Bob View Post
Your mechanic is an IDIOT or THIEF or both. Find another mechanic quickly. How many miles on your engine? It sounds like the Rear main seal and he's not capable of the work.
Not capable? The rear main seal is halfway done if you do the oil pan gasket on the later 4.0L. Two piece seal. I want to know what he's selling you as a crankshaft kit for the price of a replacement engine.
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Unread 05-04-2015, 09:20 PM   #14
ctlebert
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Not capable? The rear main seal is halfway done if you do the oil pan gasket on the later 4.0L. Two piece seal. I want to know what he's selling you as a crankshaft kit for the price of a replacement engine.
its a 2.4L, I'm not exactly sure what that includes.. he said he would have to replace the crank shaft i guess? ill have more answers tomorrow but it came out to 2000 he said. so he recommended a full rebuild for 2500 instead. The jeep runs great though, no wobble no vibrations or rattling. I just don't get it.
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Unread 05-04-2015, 10:48 PM   #15
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Originally Posted by ctlebert View Post
its a 2.4L, I'm not exactly sure what that includes.. he said he would have to replace the crank shaft i guess? ill have more answers tomorrow but it came out to 2000 he said. so he recommended a full rebuild for 2500 instead. The jeep runs great though, no wobble no vibrations or rattling. I just don't get it.
I think that means you need to get a 4.0 and put it in there.
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