Tip & How-To about Chevrolet 1500
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.
If your engine cranks normally but will not start because it has no spark, or it stalls and won't restart because it has no spark, the problem may be due to any of the following:
A bad pickup inside the distributor (on engines that have a distributor), a stripped distributor drive gear (common problem with plastic distributor drive gears), broken, loose or corroded wires from the pickup to the ignition module orPCM.
A bad crankshaft position (CKP) sensor (on engines that do not have a distributor), or broken, loose or corroded wires from the sensor to the PCM.
A bad ignition module (on engines that have a distributor or use an ignition module separate from the PCM)
A bad ignition coil (on engines that have a distributor and a single coil)
A bad rotor or distributor cap (cracks or carbon tracks that are allowing the spark to short to ground)
Faulty ignition switch.
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