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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 25 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSCOOLANT AIR BLEED HOSE REPLACEMENTINSTALLATION 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: Coolant Air Bleed Hose & Pipe

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed hose (1) to the pipe (2).
Position the hose clamp at the pipe.

Fig 2: View Of Coolant Air Bleed Hose & Throttle Body

Courtesy of GENERAL MOTORS CORP.

Install the coolant air bleed hose to the throttle body.
Position the coolant air bleed hose clamp at the throttle body.
If necessary, install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement for the 4.8L, 5.3L, and 6.0L engines.
Add engine coolant, if necessary.

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.