Tip & How-To about Chevrolet 1500

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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i`m not found crankshaft position sensor toyota 4runner 3.0v6 1991 were is it

i suppose your vehicle should use a pick up sensor in the distributor. i have just looked at the year of make. Distributor less engines use crank sensors and few distributor engines have crank sensor. Please share the fault you would like to repair
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Can you if so how do you set timing with only using btdc and distributor on a 94 4runner

Ignition timing manual setting 1994 Toyota 4 Runner.
- Remove the distributor cap.
- Pull up the hand brake, place the vehicle in P or Neutral.
- Rotate the crankshaft pulley with a suitable tool to bring the timing mark at 5 degrees BTDC and the reluctor position in front of No. 1 position in distributor.
- Remove the rotor and adjust the distributor (by loosening two distributor locking bolts) in such a way that the No. 1 reluctor tooth just cross the G1 pickup coil notch in the direction of rotation in the distributor.
- Lock the distributor bolts, install rotor and install distributor cap.


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wont start no spark

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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how to remove distributor cap on 5.2 l v8. I need to remove my distributor cap and can't see how it is fastened behind the engine. Are there snaps, bolts (with or without screw slots)? If bolts what size are they? Thanks

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Fig. 1: Exploded view of a typical distributor used on Jeep vehicles


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Fig. 2: Tag and disconnect the spark plug wires


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Fig. 3: Tag and disengage any distributor electrical connections


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Fig. 4: Scribe a mark on the base of the distributor and on the engine to facilitate reinstallation


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Fig. 5: Using a distributor wrench, loosen the distributor hold-down bolt


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Fig. 6: Remove the distributor hold-down bolt and clamp



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Fig. 7: Remove the distributor from the vehicle


5.2L and 5.9L Engines
  1. Disconnect the negative battery cable.
  2. Tag and disconnect the spark plug wires from the distributor cap and coil
  3. Remove the distributor cap retaining hooks or screws and remove the distributor cap.
  4. Note the position of the rotor in relation to the base. Scribe a mark on the base of the distributor and on the engine to facilitate reinstallation.

The distributor must be bright to Top Dead Center (TDC) before removal.
  1. Attach a socket to the crankshaft damper retaining bolt and slowly rotate the engine clockwise until the indicating mark on the crankshaft damper is aligned with the 0 degree mark on the timing chain cover. The distributor rotor should now be aligned to the CYL. NO 1 alignment mark stamped into the camshaft position sensor. If not repeat the process until TDC is achieved.
  2. Disengage the camshaft position sensor connector and remove the rotor.
  3. Unfasten the distributor hold-down bolt and remove the distributor and hold-down clamp.
Other details can find in the Repair Manual ZJ-Secc-8D-Ignition-Systems

Good luck (remember rated this).
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