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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 653 (ENGINE EXHAUST SYSTEM)REPAIR INSTRUCTIONSEXHAUST HEAT SHIELD REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Suburban C2500, 6.0 U

Installation Procedure

2006 Chevrolet Suburban C2500, 6.0 USECTION 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.

If equipped with a 8 ft box, install the exhaust heat shield.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the exhaust heat shield bolts.
Tighten

Tighten the exhaust heat shield bolts to 9 N.m (80 lb in).

Fig 1: Installing Exhaust Heat Shield & Bolts (8 Ft Box)
Courtesy of GENERAL MOTORS CORP.
If equipped with a 6 1/2 ft box, install the exhaust heat shield.
Install the exhaust heat shield bolts.
Tighten

Tighten the exhaust heat shield bolts to 9 N.m (80 lb in).
Install the spare tire hoist. Refer to TIRE HOIST AND SHAFT REPLACEMENT in Tires and Wheels.
Install the exhaust muffler. Refer to Muffler Replacement (4.3L, 4.8L, and 5.3L Engines) or Muffler Replacement (6.0L, 6.6L, and 8.1L Engines) .

Fig 2: Installing Exhaust Heat Shield & Bolts (6 1/2 Ft Box)
Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.