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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 761 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSTHERMOSTAT REPLACEMENT (3.8L)INSTALLATION PROCEDURE
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Installation Procedure

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Installation Procedure
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the thermostat.
  2. Install the gasket and the water outlet housing.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the water outlet housing bolt and the stud to the water outlet housing.

    Tighten 

    Tighten the bolt and the stud to 27 N.m (20 lb ft).

    Fig 1: Installing Gasket, Thermostat And Water Outlet Housing
    G02084051Courtesy of GENERAL MOTORS CORP.
  4. Install the radiator inlet hose to the water outlet housing.
  5. Use the J 38185  in order to reposition and install the hose clamp to the water outlet housing.
  6. Fill the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  7. Install the fuel injector sight shield. Refer to FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L36) or FUEL INJECTOR SIGHT SHIELD REPLACEMENT (L67) in Engine Mechanical - 3.8L.
    Fig 2: Installing Radiator Inlet Hose To Water Outlet Housing
    G02084052Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.