Cutlass V6-191 3.1L VIN M SFI (1998)
Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.
Important: The throttle should operate freely without binding between full closed and wide open throttle.
1. Clean the gasket surface on the intake manifold and the throttle body assembly.
2. Install a new gasket, if necessary.
3. Install the throttle body assembly.
4. Install the throttle body retaining nuts and bolts.
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Tighten the throttle body retaining nuts and bolts to 28 N.m (21 lb ft).
Notice: Refer to Fastener Notice in Service Precautions.
5. Install the heater pipe nut at the throttle body.
6. Install the throttle body coolant bypass hoses.
7. Install the IAC valve electrical connector.
8. Install the TP sensor electrical connector.
9. Install the accelerator control cable bracket.
10. Install the accelerator control and cruise control cables.
11. Install the air intake tube.
12. Refill the coolant.
13. Inspect and check for complete throttle opening and closing positions by operating the accelerator pedal. Also check for poor carpet fit under the
accelerator pedal.
