Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 620 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSENGINE OIL COOLER HOSE/PIPE REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Install the oil cooler hose assembly.
If equipped with a 8.1L engine, perform the following:
1. 2.1. Connect the quick connect fittings (1) at the engine. Refer to Engine Oil Cooler Pipe/Hose Quick Connect Fitting .
  NOTE: Refer to FASTENER NOTICE .
2. 2.2. Install the oil cooler hose bracket bolt.
  Tighten
  
  Tighten the bolt to 50 N.m (37 lb ft).
Fig 1: Connect Quick Connect Fittings
Courtesy of GENERAL MOTORS CORP.
If equipped with a 6.0L engine, perform the following:
1. 3.1. Install the oil cooler hose assembly and a new gasket.
2. 3.2. Install the oil cooler hose adapter bolts (2).
  Tighten
  
  Tighten the bolts to 12 N.m (106 lb in).
3. 3.3. Install the oil cooler hose bracket bolt (1).
  Tighten
  
  Tighten the bolt to 25 N.m (18 lb ft).
Fig 2: Install Oil Cooler Hose Bracket & Hose Adapter Bolts
Courtesy of GENERAL MOTORS CORP.
If equipped, install the engine shield.
Install the engine shield bolts.
Tighten

Tighten the bolts to 20 N.m (15 lb ft).

Fig 3: Install Engine Shield
Courtesy of GENERAL MOTORS CORP.
Install the oil cooler hoses to the hose clip on the fan shroud.
Snap the oil cooler hose clip shut.

Fig 4: Install Oil Cooler Hoses
Courtesy 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.