- 30.10.08
- Exhaust system & mountings - renew
- TDV8
- 1.50
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WARNING:
Observe due care when working near a hot exhaust system.
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WARNING:
Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.
Raise and support the vehicle.
- Remove the transmission crossmember. For additional information, refer to: Transmission Support Crossmember (502-02 Full Frame and Body Mounting, Removal and Installation).
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Disconnect the diesel particulate filter (DPF), differential pressure sensor electrical connector.
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Release the DPF differential pressure sensor.
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Disconnect the LH post-catalytic converter exhaust gas temperature sensor electrical connector.
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Disconnect the RH post-catalytic converter exhaust gas temperature sensor electrical connector.
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Disconnect the DPF exhaust gas temperature sensor electrical connector.
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NOTE:
RH catalytic converter shown removed for clarity.
Loosen the LH catalytic converter to DPF retaining clamp.
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Release the LH and RH catalytic converters from the turbochargers.
- Remove and discard the 2 gaskets.
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Remove the LH side exhaust gas temperature sensor electrical connector heat shield.
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Disconnect the LH pre-catalytic converter exhaust gas temperature sensor electrical connector.
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Disconnect the RH pre-catalytic converter exhaust gas temperature sensor electrical connector.
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With assistance, remove the exhaust system.
- Release the 6 exhaust hangers.
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Remove the 5 exhaust gas temperature sensors.
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Remove the 6 exhaust hangers.
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Remove the DPF differential pressure sensor, high and low pressure pipes.
- Release the high and low pressure pipes.
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Remove the 2 DPF heat shields.
- Install the 2 DPF heat shields.
- Tighten to 10 Nm (7 lb.ft).
- Install the DPF differential pressure sensor, high and low pressure pipes.
- Tighten the pipes to 35 Nm (26 lb.ft).
- Tighten the clamp to 10 Nm (7 lb.ft).
- Install the exhaust hangers.
- Install the exhaust gas temperature sensors.
- Tighten to 35 Nm (26 lb.ft).
- With assistance, install the exhaust system.
- Secure the exhaust hangers.
- Connect the RH pre-catalytic converter exhaust gas temperature sensor electrical connector.
- Connect the LH side, pre-catalytic converter exhaust gas temperature sensor electrical connector.
- Install the LH side exhaust gas temperature sensor electrical connector heat shield.
- Tighten to 10 Nm (7 lb.ft).
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CAUTION:
Make sure that the mating faces are clean and free of corrosion and foreign material.
Secure the LH and RH catalytic converters to the turbochargers.
- Tighten the bolts to 21 Nm (15 lb.ft).
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NOTE:
RH catalytic converter shown removed for clarity.
Secure the LH catalytic converter to DPF retaining clamp.
- Tighten to 48 Nm (35 lb.ft).
- Connect the DPF exhaust gas temperature sensor electrical connector.
- Connect the RH side post-catalytic converter exhaust gas temperature sensor electrical connector.
- Connect the LH side post-catalytic converter exhaust gas temperature sensor electrical connector.
- Secure the DPF differential pressure sensor.
- Connect the DPF differential pressure sensor electrical connector.
- Install the transmission crossmember. For additional information, refer to: Transmission Support Crossmember (502-02 Full Frame and Body Mounting, Removal and Installation).
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