SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 407 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR REPLACEMENT (EXC 8.1L)INSTALLATION PROCEDURE
2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the radiator to the vehicle.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the radiator bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

    3. Fig 1: View Of Radiator & Bolts
    GM660895Courtesy of GENERAL MOTORS CORP.
  3. Install the engine oil cooler lines to the radiator. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
  4. Install the transmission oil cooler lines to the radiator. Refer to Transmission Fluid Cooler Line Quick Connect Fitting in Transmission 4L80E or Transmission Fluid Cooler Line Quick Connect Fitting in Transmission 4L60E.
  5. Install the radiator vent inlet hose to the radiator.
    6. Fig 2: View Of Surge Tank Inlet Hose & Radiator
    GM404039Courtesy of GENERAL MOTORS CORP.
  6. Reposition the radiator vent inlet hose clamp to the radiator.
  7. Install the lower fan shroud. Refer to Fan Shroud Replacement - Lower .
  8. Install the outlet hose to the radiator.
  9. Reposition the outlet hose clamp to the radiator.
  10. Install the inlet hose to the radiator.
  11. Reposition the inlet hose clamp to the radiator.
  12. Fill the cooling system. Refer to Draining and Filling Cooling System (with HP2)  or Draining and Filling Cooling System (without HP2) .
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.