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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1022 (ENGINE COOLING SYSTEM)REPAIR INSTRUCTIONSFLUSHING - STARTER/GENERATOR CONTROL MODULE
2004 Oldsmobile Bravada RWD

Flushing - Starter/Generator Control Module

2004 Oldsmobile Bravada RWDSECTION Flushing - Starter/Generator Control Module
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.
IMPORTANT:
  • Do not use a chemical flush.
  • Store used coolant in the proper manner, such as in a used engine coolant holding tank. Do not pour used coolant down a drain. Ethylene glycol antifreeze is a very toxic chemical. Do not dispose of coolant into the sewer system or ground water. This is illegal and ecologically unsound.
  • Various methods and equipment can be used to flush the cooling system. If special equipment is used (such as a back flusher) follow the manufacturer's instructions.
  1. Block the drive wheels.
  2. Place the transmission in park (P) or neutral (N).
  3. Engage the park brake.
  4. To run the SGCM coolant pump, perform the following steps:
    1. Install the scan tool.
    2. Turn the ignition ON with the engine OFF.
    3. With the scan tool set to Powertrain, Alternative Fuels, Special Functions, SGCM Output Controls, command the SGCM pump speed ON for 1 minute.
    4. Turn the ignition OFF.
  5. Follow the drain and fill procedure using only clean drinkable water. Repeat the procedure if necessary, until the fluid is nearly colorless. Refer to Draining and Filling Cooling System - Starter/Generator Control Module .
    6. NOTE: The procedure below must be followed. Improper coolant level could result in a low or high coolant level condition, causing starter/generator control module damage.
  6. Fill the cooling system. Refer to Draining and Filling Cooling System - Starter/Generator Control Module .
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.