Cleaning and Inspection Procedure - Required

Courtesy of GENERAL MOTORS COMPANY

Inspect the charge air cooler inlet air hose (2) :

1. Use dish soap and water to clean the inside of the charge air cooler inlet air hose (2). Clean the interior of the hose, and allow to completely dry. Ensure any oil residue is removed from the hose internal interface surfaces.
2. Inspect the interior of the charge air cooler inlet air hose (2) for tears or delamination. Replace the hose if damage is found.
3. Inspect the charge air cooler inlet air hose clamps (1). Replace the charge air cooler inlet air hose (2) if damage is found or the clamp components are missing.

Courtesy of GENERAL MOTORS COMPANY

Inspect the charge air cooler outlet air hose (2) :

1. Use dish soap and water to clean the inside of the charge air cooler outlet air hose (2). Clean the interior of the hose, and allow to completely dry. Ensure any oil residue is removed from the hose internal interface surfaces.
2. Inspect the interior of the charge air cooler outlet air hose (2) for tears or delamination. Replace the hose if damage is found.
3. Inspect the charge air cooler outlet air hose clamps (1). Replace the charge air cooler outlet air hose (2) if damage is found or the clamp components are missing.