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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1022 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSDRAINING AND FILLING COOLING SYSTEM - STARTER/GENERATOR CONTROL MODULEDRAINING PROCEDURE
2004 Oldsmobile Bravada RWD

Draining Procedure

2004 Oldsmobile Bravada RWDSECTION Draining Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: To avoid being burned, do not remove the starter/generator control module (SGCM) cap while the SGCM is hot. The cooling system will release scalding fluid and steam under pressure if the SGCM cap is removed while the SGCM is still hot.
  1. Follow the steps below in order to remove the stater/generator control module (SGCM) tank fill cap.
    1. Slowly rotate the cap counterclockwise.
    2. Stop rotating and allow the hissing to stop.
    3. After all the hissing stops, continue turning counterclockwise in order to remove the cap.
    2. Fig 1: View Of SGMC Coolant Pump Components
    GM1206692Courtesy of GENERAL MOTORS CORP.
  2. Remove the grille from the vehicle. Refer to Grille Replacement (GMC) or Grille Replacement (Chevrolet) in Exterior Trim.
  3. Place a drain pan under the SGCM radiator.
  4. Remove the SGCM coolant pump outlet hose from the radiator. Refer to Coolant Pipe Quick Connect Fitting - Starter/Generator Control Module .
  5. Drain the cooling system.
  6. Inspect the coolant.
  7. Follow the appropriate procedure based on the condition of the coolant.
RENDER: 1.0x

NO RELATED

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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.