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First, There are several marks on the Crank shaft pulley. It would be possible to re-install the timing belt on the crank shaft pulley when #1 piston is not a TDC. i.e. the crank shaft could have been rotated to another mark when the timing belt was off. The easiest way to check this is to verify that when all your timing marks are aligned, #1 piston is all the way up. Second, when you say that the rotor is not at #1, do you mean it is not at the plug where #1 spark plug wire is attached? If you lift your distributor cap off and look underneath the cap, you will see that the point for #1 is actually not at #1 but about 90 degrees off. The rotor should point somewhere toward the front valve cover when at #1. The only other thing I can think of is that the crank shaft pick up sensor (which plugs into the distributor) was never plugged back in after the water pump was installed.

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Q: Why when aligning timing marks of camshaft and crankshaft on 3 liter Caravan does rotor not point to 1 but the vehicle was running and now is not after procedures for replacing water pump?
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