Removal Procedure

2001 Chevrolet C3500 HD 8.1 G, AutomaticSECTION Removal Procedure
    Fig 1: Air Cleaner Inlet Elbow, Turbocharger Inlet Elbow & Clamp
    GM55474Courtesy of GENERAL MOTORS CORP.
  1. Loosen the clamp and separate the air cleaner inlet elbow from the turbocharger inlet elbow.
  2. Fig 2: Air Cleaner Cover Clips
    GM55485Courtesy of GENERAL MOTORS CORP.
  3. Release the clips holding the air cleaner cover to the housing.
  4. Fig 3: MAF Sensor Electrical Connector
    GM63702Courtesy of GENERAL MOTORS CORP.
  5. Remove the MAF sensor electrical connector (L56 only).
  6. Fig 4: Air Cleaner Filter & Air Inlet Elbow
    GM63699Courtesy of GENERAL MOTORS CORP.
  7. Remove the air cleaner filter with air inlet elbow attached.
  8. Separate the air inlet elbow from the filter by pulling apart.
    • Inspect the CDR hose for cracks or binds.
    • Inspect the air cleaner cover seals for damage.
    • Inspect the air cleaner filter for damage or excessive dirt accumulation.
    • A high capacity air filter can be used if necessary (AC type A 1306C).
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.