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 MANUALSOLDSMOBILE1993DELTA 88 V6-3800 3.8LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTFUEL DELIVERY AND AIR INDUCTIONTHROTTLE BODYSERVICE AND REPAIR
1993 Oldsmobile Delta 88 V6-3800 3.8L
Throttle Body: Service and Repair
1993 Oldsmobile Delta 88 V6-3800 3.8LSECTION Service and Repair
Throttle Body:
REMOVAL:
1. Remove the intake duct.
2. Partially drain the radiator coolant.
3. Disconnect the throttle, transmission control (TV), and cruise cables.
4. Remove the throttle cable bracket.
5. Disconnect the IAC, TPS, and MAF sensor electrical connectors.
6. Remove the nuts holding the throttle body to the intake manifold.
7. Remove the throttle body assembly.
8. Clean the gasket surface on the intake manifold and the throttle body.
INSTALLATION:
1. Install a new flange gasket.
2. Install the throttle body assembly.
3. Install the throttle body retaining nuts, and tighten to 15 Nm (11 lb.ft).
4. Install the throttle cable bracket.
5. Connect the throttle, TV and cruise cables.
6. Connect the IAC, TPS, and MAF sensor electrical connectors.
7. Install the air inlet duct.
8. Refill the radiator to replace lost 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.