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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1364 (Engine Controls And Fuel - 6.6L - Troubleshooting & Diagnosis) >> Charge Air Cooler Diagnosis (Charge Air Cooler Air Leak Test) >> Charge Air Cooler Inlet Connection (Engine Air Intake HOT Side)

Charge Air Cooler Inlet Connection (Engine Air Intake HOT Side)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Turbocharger Clamp & Charged Air Cooler Inlet Duct Connector
GM1334380Courtesy of GENERAL MOTORS CORP.
    NOTE: After removing the intake manifold cover, protect the engine opening in order to prevent entry of objects.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Loosen the clamp (1) that fastens the left air cooler duct (4) to the turbocharger.
    3. NOTE:
    • After removing the charged air cooler duct, cover the turbocharger opening in order to prevent entry of objects.
    • Do not use a screw driver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.
  3. Remove the left charge air cooler inlet duct connector (4) from the turbocharger.
    4. CAUTION: Refer to Fastener Caution .
  4. Use the clamp to attach the J 45091-2 from the J 46091:  Tester to the duct connector and tighten the clamp to 8 N.m (70 lb in).
    5. Fig 2: Identifying Special Tool J 46091
    GM1862745Courtesy of GENERAL MOTORS CORP.
  5. Secure the J 45091-2 (1) safety cable (2) to a safe location (3).
    6. WARNING: Refer to Charge Air Cooler Warning .
  6. Attach the gage/regulator assembly from the J 46091:  Tester to the quick disconnect fitting on the J 45091-2.
  7. Remove both fender wheelhouse liners. Refer to Front Wheelhouse Liner Replacement - Right Side (Chevrolet) or Front Wheelhouse Liner Replacement - Right Side (GMC) and Front Wheelhouse Liner Replacement - Left Side (Chevrolet) or Front Wheelhouse Liner Replacement - Left Side (GMC) .
  8. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  9. Remove the air cleaner box tray bracket.
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