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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 438 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSSURGE TANK REPLACEMENTREMOVAL PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Removal Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Partially drain the engine coolant. Refer to Draining and Filling Cooling System .
  2. Remove the overflow hose from the top of the surge tank.
  3. Remove the inlet hose from the top of the radiator and from the surge tank.
  4. Remove the outlet hose from the bottom of the surge tank.
  5. Disconnect the coolant level sensor electrical connector.
    Fig 1: Removing Overflow Hose, Inlet Hose & Outlet Hose
    G01699472Courtesy of GENERAL MOTORS CORP.
  6. Remove the surge tank retaining bolt.
  7. Remove the surge tank from the cowl tabs.
  8. Remove the surge tank from the vehicle.
  9. Clean the surge tank with soap and water.
  10. Rinse the surge tank with clean water.
    Fig 2: Removing Surge Tank
    G01699473Courtesy 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.