Exhaust Manifold Pipe Replacement LE5

Warning: Refer to Exhaust Service Warning in the Preface section.

Warning: Refer to Protective Goggles and Glove Warning in the Preface section.




1. Remove the heated oxygen sensor (HO2S). Refer to Heated Oxygen Sensor Replacement - Sensor 2.
2. Remove the exhaust manifold pipe to muffler nuts.



3. Remove the exhaust manifold/catalytic converter to exhaust manifold pipe nuts.
4. Remove the first muffler hanger insulator.
5. Gently pull back and separate the muffler from the exhaust manifold pipe studs.
6. Remove the exhaust manifold pipe.

1. Install the exhaust manifold pipe to the exhaust manifold/catalytic converter.
2. Gently pull back and install the exhaust manifold pipe studs to the muffler.
3. Install the first muffler hanger insulator.

Caution: Refer to Fastener Caution in the Preface section.

4. Install the exhaust manifold/catalytic converter to exhaust manifold pipe nuts and tighten to 30 N·m (20 lb ft).



5. Install the exhaust manifold pipe to muffler nuts and tighten to 25 N·m (18 lb ft).
6. Install the HO2S. Refer to Heated Oxygen Sensor Replacement - Sensor 2.