Question about 1998 Jeep Grand Cherokee

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How to synchronize and replace the timming chain?

Grand Cherokee 2002 4x4 V8 4.7
Need to know how to disasemble it and how to put it back all together
Can anyone help me, please?

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  • pacovelazque Jul 21, 2009

    First of all, thank you very much for your time and help.
    Ok i'am replacing the timing chains, i can do that, no problem, but i rather have the information to put everything back in place and set the right timming, on the engine, where can i find that information? Can i buy a manual at Pep boys? and what kind of manual do i need?
    I hope i made myself clear this time.
    Thanks a lot emissionwiz

  • yadayada
    yadayada May 11, 2010


  • yadayada
    yadayada May 11, 2010

    u need to buy a used factory manual, try ebay.



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Get a manual if you plan on a teardown, or rebuild of the 4.7. Tough motor to work on. Timing is a nightmare, and if you don't know what you are doing, you will bend and break alot of stuff. Get a manual.

Posted on Jul 22, 2009


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This is not a quick answer type of question. Do you have a timing light? If not, then you'll need to get one. If you have one, connect it to the number 1 spark plug and aim the light at the timing mark on the flywheel of the timing belt. Loosen the distributor cap and turn it slowly to adjust the timing as necessary.

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I have a 1993 jeep grand cherokee 4.0l and need a diagram for the timing chain links. i was told that there is to be 15 links between marks and then told 20. need help please.thanks

I don't have a diagram I can post, but once you install the new chain and have the two timing marks pointing toward each other, then turn the Crankshaft around twice and see if the two timing marks still line up. Remember, the crankshaft turns two times for every one time the camshaft turns.

I understand the 15 vs. 20, but that's neither here nor there. What the Factory Service Manual states is there should be 15 "pins" between the timing marks when the timing chain is set up properly. (?) The links you speak of aren't what you're's the pins in the chain. In other words, for each link of the Timing Chain, there are two pins, holding it in place...or a total of 48 pins on the length of the entire timing chain. Personally? When I install a timing chain, I rotate the crankshaft around twice to see if the timing marks still match up, and before putting everything back together, I start the Engine for a brief few seconds thereby knowing after reassembling everything, the Engine WILL Start.

If you're still concerned about the 15 pin thing, stop by your local Dealership and look in the Factory manual in Section 9 (Engine), Page 36 for a picture of the 15 so-called "chain-pins."

Hope this helps,

~00 Buck~

"Still living on the Right Side of Dirt..."

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