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HOMESERVICE MANUALSCHEVROLET2005CHEVY EXPRESS H1500, VAN PASSENGERREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION)REPAIR INSTRUCTIONSDISTRIBUTOR REPLACEMENTREMOVAL PROCEDURE
2005 Chevrolet Chevy Express H1500, Van Passenger

Removal Procedure

2005 Chevrolet Chevy Express H1500, Van PassengerSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
NOTE: There are two procedures available to install the distributor.
Use Installation Procedure 1 when the crankshaft has NOT been rotated from the original position.
Use Installation Procedure 2 when any of the following components are removed:
  • The intake manifold
  • The cylinder head
  • The camshaft
  • The timing chain or sprockets
  • The complete engine

If the malfunction indicator lamp (MIL) turns on and DTC P1345 sets after installing the distributor, this indicates an incorrectly installed distributor.
Engine damage or distributor damage may occur. Use Procedure 2 in order to install the distributor.
  1. Turn OFF the ignition.
  2. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  3. Remove air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  4. Remove the air intake resonator assembly.
  5. Remove the spark plug wires from the distributor cap.
    • Twist each spark plug wire boot 1/2 turn.
    • Pull only on the wire boot in order to remove the wire from the distributor cap.
  6. Remove the electrical connector from the base of the distributor.
    7. Fig 1: View Of Distributor Cap
    GM301393Courtesy of GENERAL MOTORS CORP.
  7. Remove the 2 screws that retain the distributor cap to the housing.
  8. Discard the screws.
  9. Remove the distributor cap from the housing.
    10. Fig 2: Marking Position Of Rotor In Relation To Distributor Housing
    GM4373Courtesy of GENERAL MOTORS CORP.
  10. Use a grease pencil in order to mark the position of the rotor in relation to the distributor housing (1).
  11. Mark the distributor housing and the intake manifold with the grease pencil.
    12. Fig 3: View Of Second Mark On Base Of Distributor
    GM4376Courtesy of GENERAL MOTORS CORP.
  12. As the distributor is being removed from the engine, watch the rotor move in a counter-clockwise direction about 42 degrees. This will appear as slightly more than one clock position.
  13. Note the position of the rotor segment.
  14. Place a second mark on the base of the distributor (2). This will aid in achieving the proper rotor alignment during the distributor installation.
    15. Fig 4: View Of Distributor
    GM34397Courtesy of GENERAL MOTORS CORP.
  15. Remove the mounting clamp hold-down bolt.
  16. Remove the distributor.
RENDER: 1.0x

NO RELATED

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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.