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post #1 of 6 Old 06-17-2006, 08:48 PM Thread Starter
eagleknight
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Timing Chain

Is there a recommended time to change the timing chain on a 4.0L. I know for timing belts it is around 60k. I have 175,000 on my 97 GC with no problems. This was brought up in a conversation at a family get together tonight. It got me wondering.

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post #2 of 6 Old 06-17-2006, 08:49 PM
ArloGuthroJeep
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2004 WJ 
 
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This has been asked before (don't remember the answer) but try searching for it in this forum or the TJ forum.

Audi: Replace timing chain every 60,000 miles
Jeep: You get to ask at 175k if you even need to do it...I don't hear of many people changing it

'04 WJ, 6" Clayton LA's, 242 SYE, 35" BFG MT KM2's, 4.56 gears, & D44a locked
'14 WK2 Limited w/5.7L, ORAI, & Tow Package
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post #3 of 6 Old 06-17-2006, 08:53 PM
GreenDean
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ug... dont do it if it runs fine.

I've replaced a couple chains on high milage engines and ended having to do lifters and a cam just to get the vavle train back in sync.
Loose chains and worn vavle trains are happy together.

Its like if you give a 90 year old man a 20 year old girl to have sex with.... you'll kill him.

If it aint broke.. dont fix it.
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post #4 of 6 Old 06-17-2006, 08:56 PM
sk8142
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do the jeeps have plastic chain guides? Are the tensioners oil fed? (tensioned)

I have done quite a few timing chain jobs on my nissan's and they always have the damn plastic chain guides...
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post #5 of 6 Old 06-17-2006, 11:07 PM
GreenDean
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No guides or tensioners.

Just a chain.

Here in America we build things right.
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post #6 of 6 Old 06-17-2006, 11:22 PM
John in MA
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No kidding. The only thing to break on my '85 Caravan was the Mitsubishi engine. Darn plastic chain guides.
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