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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 78 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSEXHAUST HEAT SHIELD REPLACEMENT - DASH PANELINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Dash Panel Exhaust Heat Shield & Nuts

Courtesy of GENERAL MOTORS CORP.

Install the dash panel exhaust heat shield (1 or 3) to the dash panel studs.
Install the dash panel exhaust heat shield nuts (2 or 4).
Tighten: Tighten the nuts to 9 N.m (80 lb in).
Install the catalytic converter, if required. Refer to one of the following:

Fig 2: View Of Oil Pan Skid Plate & Bolts

Courtesy of GENERAL MOTORS CORP.

For 2500 series vehicles, position the oil pan skid plate and tighten until snug the 2 rear oil pan skid plate bolts, install the 2 front oil pan skid plate bolts, if equipped.
Tighten: Tighten the bolts to 28 N.m (21 lb ft).

Fig 3: View Of Oil Pan Skid Plate & Bolts

Courtesy of GENERAL MOTORS CORP.

For 1500 series vehicles, position the oil pan skid plate and install the oil pan skid plate bolts, if equipped.
Tighten: Tighten the bolts to 28 N.m (21 lb ft).

Fig 4: View Of Engine Shield & Bolts

Courtesy of GENERAL MOTORS CORP.

Position the engine shield to the frame.
Install and tighten the engine shield bolts.
Tighten: Tighten the bolts to 20 N.m (15 lb ft).
Lower the vehicle.

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.