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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 472 (ELECTRONIC SUSPENSION SYSTEM - AUTOMATIC LEVEL CONTROL)REPAIR INSTRUCTIONSAUTOMATIC LEVEL CONTROL AIR COMPRESSOR HEAD REPLACEMENTASSEMBLY PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Assembly Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Assembly Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the new gasket on the air compressor.
  2. Install the air compressor head on the air compressor with the 3 bolts.

    Tighten 

    Tighten the bolts to 6 N.m (53 in lbs).

  3. Connect the air hose.
  4. Install the 2 wire terminals in the air compressor connector.
    Fig 1: Installing Air Compressor Head
    G01582140Courtesy of GENERAL MOTORS CORP.
  5. Install the wrap around 4 wires and secure with 2 harness ties.
  6. Install the wiring harness and the harness clamp on the air compressor head with the bolt.

    Tighten 

    Tighten the bolt to 3 N.m (26 in lbs).

  7. Install the air dryer. Refer to Automatic Level Control Air Dryer Replacement .
    Fig 2: Installing Wiring Harness & Harness Clamp
    G01582141Courtesy of GENERAL MOTORS CORP.
  8. Install the heat shield with the 2 bolts.

    Tighten 

    Tighten the bolts to 4 N.m (35 in lbs).

  9. Connect the air compressor connector to the connector anchor.
  10. Install the air compressor on the vehicle. Refer to Air Compressor Replacement .
    Fig 3: Installing Heat Shield & Bolts
    G01582142Courtesy 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.