Idle Air Control Valve/Coolant Cover Replacement. Buick Roadmaster 1996

For 1990-2009 cars

### Removal Procedure

1. Disconnect the negative battery cable.
2. Remove the throttle body from the intake manifold.
3. Remove the IAC valve.
4. Remove the idle air control valve/coolant cover assembly screws.
5. Remove the idle air control valve/coolant cover assembly and the gasket. Discard the gasket.
6. Clean the gasket sealing surfaces.
7. Inspect the gasket sealing surfaces for corrosion or damage that would cause a coolant leak. Replace the idle air control valve/coolant cover assembly or the throttle body if necessary.

### Installation Procedure

1. Install a new gasket.
2. Install the idle air control valve/coolant cover assembly.
3. Install the idle air control valve/coolant cover assembly screws.

Tighten
Tighten the idle air control valve/coolant cover assembly screws to 3.2 N·m (28 lb in).

4. Install the IAC valve.
5. Install the throttle body to the intake manifold.
6. Connect the negative battery cable.