Special tool
Key for HO2S 310-121 (LRT-19-014) |
Removing
1. Disconnect a wire of weight from the storage battery. For more information refer to Specification.
2.
WARNING: It is forbidden to carry out work on a vehicle supported only by a jack. Always place secure supports under the vehicle.
Raise and place the vehicle on stands.
3. Remove the motor protection. For more information refer to Motor Protection (76.10.50)
4. Remove the transmission cross member. For more information, refer to Transmission Crossmember (76.10.09 or 76.10.92)
5. Release the left front HO2S harness. Disconnect the electrical connector.
6. Release the right front HO2S harness. Disconnect the electrical connector.
7. Release the left rear HO2S wiring harness. Disconnect the electrical connector.
8. Release the right rear HO2S harness. Disconnect the electrical connector.
9. Disconnect the left catalytic converter from a final collector. Loosen and discard 2 bolts.
10. Disconnect the right catalytic converter from a final collector. Loosen and discard 2 bolts.
11. With assistance, remove the exhaust system. Disconnect the 5 hangers for the exhaust system.
12.
NOTE: Do not proceed with further disassembly if the element is removed only for access.
Using the special tool, remove the 4 HO2Ss from the catalytic converters.
Installation
1.
CAUTION: Be careful not to get grease on the tip of the HO2S.
Using the special tool, install the HO2S sensors to the catalytic converters and tighten to 45 Nm.
- Clear the elements.
- Apply grease to the threads of the HO2S.
3. Connect the right catalytic converter to the exhaust manifold.
- Clear the elements.
- Tighten the new bolts to 22 Nm.
WARNING: Make sure that the distance (A) between the nearest surfaces of the left catalytic converter and the front propeller shaft is 25-30 mm.
Connect the left catalytic converter to the exhaust manifold.
- Clear the elements.
- Tighten the new bolts to 22 Nm.
5.
CAUTION: Make sure the heated oxygen sensor harness is not bent more than 180 degrees and is not touching the exhaust manifold or driveshaft.
Connect the HO2S electrical connectors. Attach the HO2S harnesses.
6. Install the transmission cross member. For more information, refer to Transmission Crossmember (76.10.09 or 76.10.92)
7. Install motor protection. For more information refer to Motor Protection (76.10.50)
8. Connect a wire of weight to the storage battery. For more information refer to Specification.
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