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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 336 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSENGINE OIL COOLER HOSE/PIPE REPLACEMENTINSTALLATION PROCEDURE
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Installation Procedure

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Installation Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Important:  Do not reuse any of the existing retaining rings if the quick connect fittings have been removed. Retaining rings are not reusable. Ensure the following steps are performed when installing the new retaining rings onto the fittings.

  1. Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.
    Fig 1: Identifying Incorrect Installation Of Retaining Ring
    G01699507Courtesy of GENERAL MOTORS CORP.
  2. Install the retaining ring by hooking the one open end of the retaining ring in one of the slots in the quick connect fitting.
    Fig 2: Installing Retaining Ring Into One Slot
    G01699508Courtesy of GENERAL MOTORS CORP.
  3. Install the retaining ring by rotate the retaining ring around the fitting until the retaining ring is positioned with all 3 ears through the 3 slots on the fitting.
    Fig 3: Installing Retaining Ring By Rotating Around Fitting
    G01699509Courtesy of GENERAL MOTORS CORP.
  4. Install the retaining clip so that the retaining clip moves freely in the fitting.

    Important:  After performing the following service procedure, pull back on the engine oil cooler line to ensure the engine oil cooler line is properly seated.

  5. Install the engine oil cooler line into the fitting.
    Fig 4: Installing Retaining Clip & Engine Oil Cooler Line
    G01699510Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.