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 226 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSRADIATOR OUTLET HOSE REPLACEMENT (LY7)INSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Installation Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure

WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Install the radiator outlet hose to the vehicle.

IMPORTANT: Lubricate the inside diameters of the hoses with clean coolant prior to installation.

Using the J 38185 , disengage the tension on the hose clamp and install the radiator outlet hose to the radiator. See Special Tools .

Fig 1: Identifying Radiator Outlet Hose

Courtesy of GENERAL MOTORS CORP.

Using the J 38185 slide the clamp into the original position. See Special Tools .
Using the J 38185 , disengage the tension on the hose clamp and install the radiator outlet hose to the thermostat housing. See Special Tools .
Using the J 38185 slide the clamp into the original position. See Special Tools .
Install the radiator outlet hose to the engine support bracket.
Install the radiator inlet hose. Refer to Radiator Inlet Hose Replacement (LLT) or Radiator Inlet Hose Replacement (LY7) or Radiator Inlet Hose Replacement (LH2) .
Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) or Cooling System Draining and Filling (GE 47716) .

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.