Question about 1986 Plymouth Reliant 4 Door

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Changing timing belt, car wants to start, but won't stay running

I have everything lined up, based on what I read from another posting, and the car still isn't wanting to run (so I can run it for 30 seconds, then I am supposed to check to see if anything moved...) What could I have missed?

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  • Jeramy Bishop Feb 09, 2009

    We have a 2.5 engine, trying to install a new timing belt. Manual we just got isn't very helpful. I do not know if I have the # 1 piston at top dead center, I need to know if I am supposed to put the spark plug back when I feel the pressure. How am I supposed to turn the cranck shaft by hand, exactly? Step # 5 says fire it up...that is what I thought I was doing, but it won't! Thank you so much for any help with this! the following is copied and pasted from someone else's posting/response. This is what I was trying to follow:

    To save some time I'll guess and say it's the SOHC.
    1). Make sure the #1 piston is on the compression stroke @ Top Dead Center. You can find the compression stroke by pulling the #1 spark plug and putting your finger over the hole, while a friend bumps the engine. When you feel air come out of the plug hole, your on the compression stroke. Then point the rotor to #1 on the cap, by turning the crankshaft by hand. Then do the timing marks.........
    2). The camshaft gear: There should be four large holes and one small hole, the small hole should face perfectly straight up. You can use 2 of the larger holes, one on the left and one on the right from the camshaft attaching bolt, to help line it up correctly. By looking through them, horizontally line them up with the head.
    3). The crankshaft gear and the intermediate shaft gear should have a dimple on one of their teeth. Face them to each other.
    4). Make sure nothing moves, when installing the belt.
    5). Fire it up, before you put everything back together. When it fires, let it run for about 30 seconds to let the belt align itself. Then check all your marks again, to make sure nothing moved.
    6). Put it back together.
    7). I sincerely hope that this information helped you to get r dun. Best wishes and God Bless.

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What are you trying to do exactly?
when doing timing belts your not supposed to run the engine to see if anything moves. you rotate the engine over 2 full revolutions and recheck timing marks. depending on the car you have to rotate with tension loose or somewhat tight then loosen and retighted once crankshaft has been rotated 2 full times. remember some engines can be destroyed by a timing belt breaking and installed incorrectly. I have books here so list your car with proper engine. note SOHC,DOHC

Michael
ASE certified

Posted on Feb 09, 2009

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