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 1116 (ENGINE CONTROLS - 3.6L (LY7) (INTRODUCTION))REPAIR INSTRUCTIONSTHROTTLE BODY SERVICE
2004 Oldsmobile Bravada RWD
Throttle Body Service
2004 Oldsmobile Bravada RWDSECTION Throttle Body Service
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the air cleaner intake duct. Refer to Air Cleaner Intake Duct Replacement .
- Fully open the throttle valve in order to Inspect the throttle body bore and the throttle valve plate for any deposits.
- Throttle position (TP) sensor
- Idle air control (IAC) valve
- Sealed throttle shaft bearings
- Use a clean shop towel and Top Engine Cleaner GM P/N 1052626 or equivalent product in order to clean the throttle body bore and the throttle valve plate.
If necessary, use a parts cleaning brush in order to remove heavy deposits.
- Install the air cleaner duct. Refer to Air Cleaner Intake Duct Replacement .
NOTE:
Do not subject a throttle body assembly which contains the following components to an immersion cleaner or a strong solvent:
The cleaners will damage the electric components or sensors.
The cleaners will damage some of these components that contain seals or O-rings.
Solvents can wash away or break down the grease used on non-serviceable throttle shaft bearings.
Never use a wire brush or scraper to clean the throttle body. A wire brush or sharp tools may damage the throttle body components.
Do not use a cleaner that contains methyl ethyl ketone. This extremely strong solvent may damage components and is not necessary for this type of cleaning.
The cleaners will damage the electric components or sensors.
The cleaners will damage some of these components that contain seals or O-rings.
Solvents can wash away or break down the grease used on non-serviceable throttle shaft bearings.
Never use a wire brush or scraper to clean the throttle body. A wire brush or sharp tools may damage the throttle body components.
Do not use a cleaner that contains methyl ethyl ketone. This extremely strong solvent may damage components and is not necessary for this type of cleaning.
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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.