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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 131 (AUTOMATIC TRANSAXLE SERVICING)REMOVAL & INSTALLATIONOIL COOLER PIPE HOSE/PIPEINSTALLATION
1999 GMC Forward Control 5.7 R, Automatic

Oil Cooler Pipe Hose/Pipe: Installation

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Allow sufficient clearance around the transaxle oil cooler pipes and around the hoses to prevent damage or wear which may cause fluid loss.
  1. Position the lower transaxle oil cooler pipe into the engine compartment. Connect the lower transaxle oil cooler pipe to the radiator. See Figure .
    NOTE: Ensure the lower transaxle oil cooler pipe is positioned upwards while tightening.
  2. Tighten the transaxle oil cooler pipe fitting to specification. See Figure . See TORQUE SPECIFICATIONS  .
  3. Push the transaxle oil cooler pipe into the transaxle quick connect fitting, until a "CLICK" is heard. Tug gently on the cooler pipe to ensure proper retention. Slide the plastic cap over the quick connect fitting.
  4. Raise and support the vehicle. Position the upper transaxle oil cooler pipe up into the engine compartment. See Figure . Install the upper transaxle oil cooler pipe wire retainers to the transaxle. Install the upper transaxle oil cooler pipe at the rear of the transaxle. Tighten the transaxle oil cooler pipe fitting to specification. See TORQUE SPECIFICATIONS  .
  5. Push the transaxle oil cooler pipe into the transaxle quick connect fitting, until a "CLICK" is heard. Tug gently on the cooler pipe to ensure proper retention. Slide the plastic cap over the quick connect fitting.
  6. Install the rear exhaust manifold pipe. Lower the vehicle. Push the upper transaxle oil cooler pipe into the radiator quick connect fitting, until a "CLICK" is heard.
  7. Tug gently on the cooler pipe to ensure proper retention. Slide the plastic cap over the quick connect joint. See Fig 1 . Install the upper transaxle oil cooler pipe retaining bolt to the fan shroud. See Figure . Tighten the transaxle oil cooler pipe retaining bolt to specification. See TORQUE SPECIFICATIONS  .
    NOTE: Do not overfill the transaxle. Overfilling of the transaxle causes foaming, loss of fluid, shift complaints, and possible damage to the transaxle.
  8. Install the air cleaner assembly. Install the upper filler panel. See Figure . Fill transaxle with appropriate fluid to proper level. See LUBRICATION  . Inspect for fluid leaks.
Fig 1: Installed View Of Quick Connect Fitting
G00088363Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

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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.