Exhaust Manifold Replacement (LE5 or LE9)

Exhaust Manifold Replacement (LE5 or LE9)

Removal Procedure




Warning: Refer to Exhaust Service Warning

Warning: Refer to Protective Goggles and Glove Warning

1. Remove the exhaust manifold heat shield.
2. Remove the heated oxygen sensor (HO2S).
3. If equipped with a LE5, remove the exhaust manifold pipe.
4. If equipped with a LAT, remove the catalytic converter.
5. Lower the vehicle.
6. Remove the upper exhaust manifold brace bolt (1).




7. Remove and discard the exhaust manifold nuts (1).
8. Remove the exhaust manifold/catalytic converter assembly (2).
9. Remove and discard the exhaust manifold gasket.

Installation Procedure




1. Install a NEW exhaust manifold gasket onto the manifold studs.
2. Install the exhaust manifold/catalytic converter assembly (2).
3. Install the NEW exhaust manifold nuts (1) finger tight.





Caution: Refer to Fastener Caution

4. Install the upper exhaust manifold brace bolt (1) and tighten to 58 Nm (43 lb ft).




5. Tighten the exhaust manifold nuts in the sequence shown to 14 Nm (10 lb ft).
6. Raise and suitably support the vehicle.
7. If equipped with a LE5, install the exhaust manifold pipe.
8. If equipped with a LAT, install the catalytic converter.
9. Install the HO2S.
10. Install the exhaust manifold heat shield.