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 1516 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSEXHAUST GAS RECIRCULATION COOLING PIPE REPLACEMENT - LOWER (LMM)INSTALLATION 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 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. 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.

CAUTION: Refer to Fastener Caution .

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

Fig 2: View Of Lower EGR Cooler Pipe Bolt

Courtesy of GENERAL MOTORS CORP.

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

Fig 3: View Of EGR Cooler Pipe Nut

Courtesy of GENERAL MOTORS CORP.

Install the upper EGR cooler pipe nut (1).
Tighten: Tighten the bolt to 9 N.m (80 lb in).

Fig 4: View Of 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 Cooling System Draining and Filling (Vac-N-Fill) or Cooling System Draining and Filling (Static Fill) .

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.