Question about 1988 Isuzu Trooper 2 Door

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My distributor was out of vehicle and my buddy turned motor over

How do I position dist and retime motor 2.6 L

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  • blairgreen Jan 01, 2009




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Hi there... The first thing you want to do is position the # 1 cylinder a top dead center of the compression stroke. You can do this by pulling the #1 plug and manualy truning the engine till you feel air being pushed out of the plug hole. Continue turning the engine till there is no more air being pushed out. don't go to far cause then you'll be on the intake stroke and you'll have to turn the engine the opposite way. After that is done, find out where the rotor position is for #1 on the distributor. (you can do this by looking at the cap and matching it up with the #1 plug wire. Mark the edge of the distributor where the position is and install the distributor. you'll have to move the shaft one way or clockwise or counter clockwise to get it to align when the gears match up. Once the distributor is installed you can complete everything and set your timing.

Hope this helps you out

Posted on Dec 30, 2008

  • Phil Goncalves Jan 01, 2009

    Your welcome and thanks for posting on Fixya



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How do I get a 4.3 back in time after removing distributor?

If you got the distributor in at least close to where it originally was, leave it in for now. You will have to find TDC for #1 cylinder by turning crankshaft until you see and line up timing marks. When you line up the timing marks, you will be on for #1 or 180 degrees off. You will able to tell by pulling the cap and seeing if it's pointing at #1(or near it). When you're sure you are lined up TDC on #1, pull the distributor, noting how much the rotor turns counterclockwise(CCW) when pulling dist out. Now hold the dist housing in the position you want it to sit in the block( determined by where #1 spark terminal will be), the rotor should be CCW about 1 1/2" from the #1 term, then lower dist housing down while watching the rotor turn clockwise and line up with the #1 spark plug terminal. The dist housing will be flush with block if done correctly. It takes some practice, but as long as you get #1 lined up at the crank timing tab and don't disturb it, you can play with the dist all day. The trick is, you have to get the oil pump shaft lined up with the drive tang on the bottom of the dist. You can use a long flat blade screwdriver to turn the oil pump shaft to the right clock position so it lines up when you drop in the dist. Remember to hold dist housing steady when lowering and let rotor turn into position. Good luck.

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How to Reinstall a Distributor if Crankshaft Moved.

Applys to all Distributor Engines.

Follow this easy instruccions if you want to reinstall a distributor on a vehicle where the crankshaft was moved from the position it was when the distributor was removed.

Remove #1 spark plug

Place your finger over the spark plug hole while turning the engine with a wrench on the pulley bolt at the front of the engine.

When you feel compression continue turning the crankshaft slowly until the timing mark on the vibration damper is aligned with the "0" on the engine timing indicator.

Position the disttributor rotor between the number 1 & 8 (for 8 Cil.) 1 & 6 (for 6 Cil.) or 1 & 4 (for 4 Cil.) spark plug terminals on the cap.

Lower Dist. into engine. To set the gear on the bottom of the distribuitor, you may need to turn the rotor a little bit. If the distributor does not drop down flush against the block is because the distributor shaft has not mated the oil pump shaft, if this happens, place a large socket w/braker bar on the crankshaft bolt and turn the engine over in the normal direction of rotation until the two shafts engage properly and the distributor sits flush against block.

With the base of the distributor properly seated, turn dist. housing to align the marks you made in dist. base and engine block. (you did make this marks before removal right? : )

Place the hold down clamp and install the hold down bolt not too tight.
Install dist. cap an reconect electrical plugs, spark plug wires, etc.

Check ignition timing and when set, tighten dist. hold down bolt.

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