SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE MECHANICAL - 4.3L)REPAIR INSTRUCTIONS - ON VEHICLEENGINE FRONT COVER REPLACEMENTREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Engine Protection Shield
    GM349061Courtesy of GENERAL MOTORS CORP.
  1. Remove the water pump. Refer to Water Pump Replacement (4.3L Engine) .
  2. Remove the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
  3. Remove the oil pan. Refer to Oil Pan Replacement .
  4. Remove the engine shield bolts and shield.
    5. Fig 2: Crankshaft Position (CKP) Sensor Electrical Connector & Clip
    GM1877521Courtesy of GENERAL MOTORS CORP.
  5. Remove engine wire harness clip (1) from front cover.
  6. Disconnect the crankshaft position (CKP) sensor electrical connector (2).
    7. Fig 3: CKP Sensor Bolt And Sensor
    GM1877536Courtesy of GENERAL MOTORS CORP.
  7. Remove the CKP sensor bolt and sensor.
    8. Fig 4: CKP Sensor O-Ring Seal
    GM1877540Courtesy of GENERAL MOTORS CORP.
  8. Remove and discard the CKP sensor O-ring seal.
    9. Fig 5: Camshaft Position (CMP) Sensor Wiring Harness Jumper
    GM1877593Courtesy of GENERAL MOTORS CORP.
  9. Disconnect the engine wiring harness electrical connector from the camshaft position (CMP) sensor wiring harness jumper.
    10. Fig 6: View Of CMP Sensor & Bolt
    GM1877007Courtesy of GENERAL MOTORS CORP.
  10. Remove the CMP sensor bolt.
  11. Remove the CMP sensor and wiring harness jumper from the engine front cover.
  12. Disconnect the CMP sensor wiring harness jumper from the CMP sensor.
  13. Remove the CMP sensor from the wiring harness jumper.
    14. Fig 7: Front Cover And Bolts
    GM1877601Courtesy of GENERAL MOTORS CORP.
  14. Remove the front cover bolts.
    15. IMPORTANT: After the composite front cover is removed do not reinstall the front cover. Always install a NEW front cover.
  15. Remove and discard the front cover.
  16. Clean all sealing surfaces.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.