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 912 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSEXHAUST GAS RECIRCULATION COOLING PIPE REPLACEMENT - LOWERINSTALLATION 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 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, and 2007 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying EGR Cooler Pipe Bolt & Bracket

Courtesy of GENERAL MOTORS CORP.

Position the EGR cooler pipe to the engine.

NOTE: Refer to Fastener Notice .

Install the EGR cooler pipe bracket (2) and bolt (1).
Tighten: Tighten the bolt to 9 N.m (80 lb in).

Fig 2: Identifying Lower EGR Cooler Pipe Bolt

Courtesy of GENERAL MOTORS CORP.

Lower the vehicle.
Install the lower EGR cooler pipe bolt (1).

Fig 3: Identifying Upper EGR Cooler Pipe Bolt

Courtesy of GENERAL MOTORS CORP.

Install the upper EGR cooler pipe bolt.
Tighten: Tighten the bolt to 9 N.m (80 lb in).

Fig 4: Identifying EGR Cooler Pipe Clamp

Courtesy of GENERAL MOTORS CORP.

Install the EGR cooler pipe hose to the EGR cooler tube and reposition the EGR cooler pipe clamp (1).
Fill the cooling system. Refer to Draining and Filling Cooling System (Static Fill) or Draining and Filling Cooling System (Vac N Fill) .
Install the engine cover. Refer to Engine Cover Replacement .

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.