Removal And Installation

EXHAUST MANIFOLD

Removal and Installation


REMOVAL

1.Remove exhaust front tube. Exploded View.
2.Remove exhaust manifold cover.
3.Remove the air fuel ratio sensor 1.
- Using heated oxygen sensor wrench [SST: KV-10117100 (J-3647-A)], remove air fuel ratio sensor 1.

CAUTION:
Handle air fuel ratio sensor 1 carefully and avoid impacts.
NOTE:
The exhaust manifold can be removed and installed without removing the air fuel ratio sensor 1 (Disassembly of harness connector is necessary).
4.Remove exhaust manifold stay.
5.Remove exhaust manifold.





- Loosen nuts in the order of 5 to 1 as shown in the figure.

White arrow indicates : Engine front

NOTE:
- The figure shows except for CALIFORNIA as an example.
- Disregard No. 6 to 8 when loosening.
6.Remove gasket.

CAUTION:
Cover engine openings to avoid entry of foreign materials.

INSTALLATION

Exhaust manifold





1.Install gasket to cylinder head as shown in the figure.

White arrow indicates : Engine front

2.Install exhaust manifold with the following procedure:





a.Tighten nuts in the order of 1 to 8 as shown in the figure.

White arrow indicates : Engine front

NOTE:
- The figure shows except for CALIFORNIA as an example.
- No. 6 to 8 mean double tightening of nuts No. 1 to 3.





b.Install exhaust manifold stay (2) in the direction as shown in the figure.





NOTE:
The figure shows except for CALIFORNIA as an example.
3.Install remaining parts in the reverse order of removal.
AIR FUEL RATIO SENSOR 1

CAUTION:
- Before installing a new air fuel ratio sensor 1, clean exhaust system threads using heated oxygen sensor thread cleaner tool (commercial service tool) and apply anti-seize lubricant.
- Never over torque air fuel ratio sensor 1. Doing so may cause damage to air fuel ratio sensor 1, resulting in the "MI" coming on.
- Prevent rust preventives from adhering to the sensor body.