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Old 09-07-2010, 12:09 PM   #1
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Post Timing Change Advice

I have 100k miles on the TJ now and think it is time to replace the timing chain. I am planning to use the Haynes manual for guidance but wanted to see if anyone has any additional advice or a copy of a different guide (like a shop manual) I can use to help me. Any advice will be appreciated. Thanks!

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Old 09-07-2010, 12:18 PM   #2
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Shouldn't need to replace the timing chain at a 100k they last alot longer than belts.

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Old 09-07-2010, 12:28 PM   #3
Knows a couple things...

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You are thinking of timing belts that because they are made from rubber, need to be changed on a regular basis. The 4.0L however uses an internal steel timing chain that should not need replacing until WAY down the road like during a major engine overhaul at 250-300K miles. No worries, your steel timing chain is not even close to needing to be replaced.
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Old 09-07-2010, 12:58 PM   #4
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Thanks - I had no idea. Neither my owner's manual nor the haynes guide indicated the interval.
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Old 09-07-2010, 07:22 PM   #5
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IMO the Haynes manual is worthless. A while back a guy on this forum (can't remember his name) had a link for free PDF style FSM's. You will need to use the search function at the top and type in *FSM*. Hope that helps.
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