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Old 03-02-2012, 02:05 PM   #1
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Time for a total rebuild??

My jeep is a 2000 sport i6 5speed. I have 114k on the motor and has a leak at the rear seal and possibly the head gasket . The trans also has 114k and about 30k on the clutch, transfer case was replaced with a used (supposedly it had under 60k on it about 20k ago).

Recently I've been having stalling issues, the trans isn't shifting well and the rear diff has been acting a bit odd and has a leak with severely rusted on bolts. Now to the point, is 114k time for a rebuild??

My friend has a head and intake that were ported (is the head and intake year specific?) and what's a decent rebuild kit?

How long does a stock transfer case normally last around? and is quadratec's master rebuild worthwhile?

What's the average life span on a stock transmission? And what's also a good rebuild kit?

is it worth rebuilding a stock d30 or should I upgrade to a d35 for the front? And finally is it also worth building up the rear d35 or should I upgrade to a ford 8.8?

Sorry for all the questions . . I love my jeep to death but I do also need a SEMI reliable vehicle (yes . . I know it's a jeep . . It's gonna break)

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Old 03-02-2012, 02:13 PM   #2
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Sounds like you might just need some seals to be replaced and probably not need a rebuild. Have you check your valve cover bolts? If they are loose, oil will run down the back of the motor next to the firewall.

Also, you probably just need to change to fluids in your tranny, x-fer case, and diffs.

Oh and , clean your throttle body and sensors.

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Old 03-02-2012, 02:54 PM   #3
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Well I know for a fact the crank sensor needs replacing and the throttle needs to be cleaned
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Old 03-02-2012, 03:09 PM   #4
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First off, is your Jeep lifted and what size tires and gearing? Is it throwing any codes? Why do you suspect a head gasket leak? Has it overheated or is there watery grey in the oil? What exactly do you mean by not shifting well? Is it grinding even when the clutch is pressed in all the way and if so just in between say 2nd and 3rd or all gears?

Just trying to help narrow stuff down.
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Old 03-02-2012, 08:09 PM   #5
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Stock height. Just 265x85x15s.

Ive been adding in a container of anti freeze every month and I have no leaks. I've checked upper and lower radiator hoses, the radiator for cracks/bad gasket and the heater core. No leaks what so ever. All I can think is that it's burning up?

No codes but it loves to just stall out at random times. At idle, while driving. . . While slowing down. Whenever it feels like it.

Gears are stock and the trans doesn't shift smoothly it feels like I'm ripping it out and forcing it into gears? Unless my semi new clutch is shot? And I've been driving stick for 6 years and normally average 5 yrs a clutch . . So I don't think I'm being to forceful or riding it
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Old 03-02-2012, 08:10 PM   #6
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Yeah. It's say 2nd to 3rd mainly
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Old 03-02-2012, 08:51 PM   #7
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Quote:
Originally Posted by AbsolutCaptain
Stock height. Just 265x85x15s.

Ive been adding in a container of anti freeze every month and I have no leaks. I've checked upper and lower radiator hoses, the radiator for cracks/bad gasket and the heater core. No leaks what so ever. All I can think is that it's burning up?

No codes but it loves to just stall out at random times. At idle, while driving. . . While slowing down. Whenever it feels like it.

Gears are stock and the trans doesn't shift smoothly it feels like I'm ripping it out and forcing it into gears? Unless my semi new clutch is shot? And I've been driving stick for 6 years and normally average 5 yrs a clutch . . So I don't think I'm being to forceful or riding it
Really, 5 years a clutch? That just doesn't sound right to me. Are jeeps different than other cars in terms of clutch? I've had cars that clutches last 8-10 years min. My current clutch on my Jeep 2006 is original and in good shape.
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Old 03-02-2012, 09:30 PM   #8
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Seems like the PO really neglected the drivetrain

I'd start with fluid changes on everything, that may help your transmission. Pennzoil Synchromesh or Royal Purple have given good results. What happened to your first t-case?

As for your supposed head gasket leak. Some coolant leaks can be in the form of vapor and won't give you any real warning signs. This can be confirmed with a special UV light typically found at a shop. I'd recommend doing a compression check on all of your cylinders, it may help verify all is kosher.

Definitely clean your TB and sensors and check if that helps with the stalling. 114k seems wayyy to early for a rebuild even with a little abuse and neglect
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Old 03-02-2012, 10:49 PM   #9
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The last Transfer case literally grenaded. It was like chunks of metal in a coffee can.
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Old 03-02-2012, 10:53 PM   #10
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And yeah. It was longer then 5k And I was a little harsher on my mustangs which I had prior

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