Exhaust Gas Recirculation Valve Replacement. Geo Prizm 1997

For 1990-2009 cars

### Removal Procedure

1. Disconnect the negative battery cable.
2. Remove the air temperature (IAT) sensor electrical connector.

Loosen the air cleaner (ACL) hose clamp bolt.

3. Remove the four cap clips from the ACL.
4. Remove the ACL hose (1) and cap (2) from the engine compartment.
5. Remove the EGR vacuum regulator solenoid (2) valve-to-EGR valve vacuum hose from the EGR valve (3) and the EGR hose from the bottom of the EGR pressure transducer (1).
6. Remove the two nuts, gaskets and EGR valve from the vehicle.
7. Inspect the EGR valve (1) for heavy carbon deposits and sticking. Replace as necessary.

### Installation Procedure

1. Install a new gasket and EGR valve (1) to intake manifold; secure with two nuts.
2. Install the EGR vacuum regulator solenoid-to-EGR valve vacuum hose to EGR valve (3) and EGR hose to the bottom of the EGR pressure transducer (1).
3. Remove the ACL hose (1) and cap-to-engine compartment.
4. Remove the four cap clips to the ACL.

Tighten
Tighten the ACL hose clamp bolts to 2.5 N·m (11 lb in).

5. Install the IAT sensor electrical connector.
6. Install the negative battery cable.

Tighten
Tighten the negative battery cable-to-negative battery terminal retainer to 15 N·m (11 lb ft).