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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1807 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSENGINE COOLANT INLET PIPE REPLACEMENT
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Engine Coolant Inlet Pipe Replacement

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Engine Coolant Inlet Pipe Replacement
WARNING: This page is about a different car, the 2009 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Engine Coolant Inlet Pipe Replacement
GM1978430Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling (GE 47716)  or Cooling System Draining and Filling (Static Fill) .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the radiator outlet hose from the coolant pipe. Refer to Radiator Outlet Hose Replacement (LY7) .
  4. Disconnect the auxiliary water pump hose from the coolant pipe. Refer to Auxiliary Water Pump Inlet Hose Replacement 
  5. Remove the passenger compartment air filter housing. Refer to Passenger Compartment Air Filter Housing Replacement .
1 Radiator Outlet Pipe Bolt (Qty: 2)
CAUTION: Refer to Fastener Caution .

Tighten:  10 N.m (89 lb in)
2 Radiator Outlet Pipe Bolt

Tighten:  50 N.m (37 lb ft)
3 Engine Coolant Inlet Pipe
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.