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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 2 (ENGINE MECHANICAL - 4.3L)DESCRIPTION AND OPERATIONREPLACING ENGINE GASKETSASSEMBLING COMPONENTS
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Assembling Components

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Assembling Components
WARNING: This page is about a different variant/trim than selected.
  • Assemble components using only the sealant (or equivalent) that is specified in the service procedure.
  • Sealing surfaces must be clean and free of debris or oil.
  • Specific components such as crankshaft oil seals or valve stem oil seals may require lubrication during assembly.
  • Components requiring lubrication will be identified in the service procedure.
  • Apply only the amount of sealant specified in the service procedure to a component.
  • Do not allow the sealant to enter into any blind threaded holes, as the sealant may prevent the fastener from clamping properly or cause component damage when tightened.
    • IMPORTANT: Do not overtighten the fasteners.
  • Tighten the fasteners to the proper specifications.
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.