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HOMESERVICE MANUALSCHEVROLET2001C3500 HD 8.1 G, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1739 (ENGINE CONTROLS - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSDISTRIBUTOR REPLACEMENTINSTALLATION PROCEDURE 1
2001 Chevrolet C3500 HD 8.1 G, Automatic

Installation Procedure 1

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Installation Procedure 1
WARNING: This page is about a different car, the 2001 GMC Sierra and 2001 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Second Mark On Base Of Distributor
    GM4376Courtesy of GENERAL MOTORS COMPANY
  1. If installing a new distributor assembly, place two marks on the new distributor housing in the same location as the two marks on the original housing.
  2. Align the rotor with the second mark (2).
    3. Fig 2: View Of Distributor
    GM34397Courtesy of GENERAL MOTORS COMPANY
  3. Guide the distributor into the engine.
  4. Align the hole in the distributor hold-down clamp over the mounting hole in the intake manifold.
    5. Fig 3: Marking Position Of Rotor In Relation To Distributor Housing
    GM4373Courtesy of GENERAL MOTORS COMPANY
  5. As the distributor is being installed, observe the rotor moving in a clockwise direction about 42 degrees.
    6. IMPORTANT:

    If the rotor segment is not aligned with the number 1 mark, the driven gear teeth and the camshaft have meshed one or more teeth out of alignment. In order to correct this condition, remove the distributor and reinstall it.

  6. Once the distributor is completely seated, the rotor segment should be aligned with the mark on the distributor base (1).
    7. Fig 4: View Of Distributor Hold Down Bolt
    GM366609Courtesy of GENERAL MOTORS COMPANY
  7. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the distributor mounting clamp bolt.

    Tighten 

    Tighten the distributor clamp bolt to 25 N.m (18 lb ft).

    8. Fig 5: View Of Distributor Cap
    GM301393Courtesy of GENERAL MOTORS COMPANY
  8. Install the distributor cap.
  9. Install two new distributor cap screws.

    Tighten 

    Tighten the screws to 2.4 N.m (21 lb in).

  10. Install the electrical connector to the distributor.
  11. Install the spark plug wires to the distributor cap.
    12. Fig 6: View Of Ignition Coil Wire Harness
    GM387772Courtesy of GENERAL MOTORS COMPANY
  12. Install the ignition coil wire.

    Note the correct orientation of the wire boot.

    13. IMPORTANT:

    If the Malfunction indicator lamp (MIL) is turned ON after installing the distributor, and a DTC P1345 is found, the distributor has been installed incorrectly.

  13. Refer to Installation Procedure 2 if MIL is turned ON after installing the distributor.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.