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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G3500, VAN PASSENGER EXTENDED, 6.5 FREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 9 (ENGINE MECHANICAL - 4.3L UNIT REPAIR)REPAIR INSTRUCTIONSENGINE FRONT COVER INSTALLATION
2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 F

Engine Front Cover Installation

2001 Chevrolet Chevy Express G3500, Van Passenger Extended, 6.5 FSECTION Engine Front Cover Installation
WARNING: This page is about a different variant/trim than selected.

Important:  Once the composite engine front cover is removed DO NOT reinstall the engine front cover. Always install a NEW engine front cover.

  1. Install the NEW engine front cover.
  2. Install the engine front cover bolts. Tighten the bolts to 12 N.m (106 lb in ).
    Fig 1: Engine Front Cover
    G02503071Courtesy of GENERAL MOTORS CORP.

    Important:  DO NOT reuse the original crankshaft position sensor seal, O-ring. When installing the crankshaft position sensor be sure the crankshaft position sensor is fully seated and held stationary in the engine front cover crankshaft position sensor bore. A crankshaft position sensor that is not completely seated will cock in the engine front cover and may result in erratic engine operation.

  3. Lubricate the NEW crankshaft position sensor seal, O-ring, with clean engine oil.
  4. Install the NEW crankshaft position sensor seal, O-ring, onto the crankshaft position sensor.
    Fig 2: Crankshaft Position Sensor O-Ring Seal
    G02503072Courtesy of GENERAL MOTORS CORP.
  5. Install crankshaft position sensor until fully seated into the engine front cover.
  6. Install crankshaft position sensor bolt. Tighten the crankshaft position sensor bolt to 8 N.m (71 lb in ).
    Fig 3: Crankshaft Position Sensor Bolt
    G02503073Courtesy of GENERAL MOTORS CORP.
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.