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 210 (AUTOMATIC TRANSMISSION SERVICING)LUBRICATIONOIL COOLER FLUSHING & FLOW TESTFLOW CHECK
2004 Oldsmobile Bravada RWD
Flow Check
2004 Oldsmobile Bravada RWDSECTION Flow Check
WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect both hoses from the oil cooler pipes.
- Connect the oil cooler feed pipe (vertical/top connector) to the transaxle and the return pipe (horizontal/bottom connector) to the discharge hose (5).
- Clip the discharge hose (5) onto the empty oil drain container. See Figure .
- Confirm the transaxle is filled with transmission fluid. See CHECKING FLUID LEVEL & CONDITION .
- Start the engine with the transaxle 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 fluid flow is greater than 2 qts. (1.9L) in 30 seconds, remove the discharge hose (5), reconnect the cooler feed and return pipes to the transaxle and refill the unit to the proper fluid level. Proceed to step 8 .
- If fluid flow is less than 2 qts. (1.9L) in 30 seconds, perform the following diagnosis:
- 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. See Figure .
- Start the engine with the transaxle in Park range and run for 30 seconds. A minimum of 2 qts. (1.9L) must be discharged during this 30-second run time.
- Do the following according to the flow rate:
- Insufficient feed flow: inspect the transaxle.
- Sufficient feed flow: inspect the oil cooler return pipe and the oil cooler (and auxiliary cooler, if equipped).
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.