Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSOLDSMOBILE2004BRAVADA RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 367 (AUTOMATIC TRANSMISSION SERVICING)LUBRICATIONOIL COOLER FLUSHING & FLOW CHECKFLOW CHECK
2004 Oldsmobile Bravada RWD
Flow Check
2004 Oldsmobile Bravada RWDSECTION Flow Check
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The Flow Check must be performed after the flush to ensure that all flushing solution and water is removed from the oil cooling system.
- Disconnect both hoses from the oil cooler pipes. Connect the oil cooler feed pipe, bottom connector, to the transmission for normal flow.
- Clip the discharge hose (5) onto the empty oil drain container. See Fig 1.
- Confirm the transmission is filled with ATF. See CHECKING FLUID LEVELS .
- Start the engine with the transmission in Park range and run for 30 seconds. A minimum of 2 qts. (1.9L) must be discharged during this 30-second run time.
- If the fluid flow meets or exceeds 2 qts. (1.9L) in 30 seconds, connect the oil cooler feed pipe to the bottom connector on the transmission.
- If fluid flow is less than 2 qts. (1.9L) in 30 seconds, perform the following diagnosis:
- Disconnect the discharge hose (5) from the oil cooler return pipe.
- Disconnect the oil cooler feed line at the radiator.
- Connect the discharge hose (5) to the cooler feed line.
- Clip the discharge hose (5) to the empty oil drain container.
- Start the engine with the transmission in Park range and run for 30 seconds. A minimum of 2 qts. (1.9L) must be discharged during this 30-second run time.
- If the amount of transmission fluid flow remains less than 2 qts. (1.9L) in 30 seconds, inspect the oil cooler feed pipe, bottom connector, for restrictions or damage. If no condition is found with the feed pipe, bottom connector, inspect the transmission.
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.