Exhaust System: Service and Repair
REMOVAL AND INSTALLATION
Required Special Tool:
- MB991953: Oxygen Sensor Wrench
REMOVAL SERVICE POINTS
[[A]] HEATED OXYGEN SENSOR REMOVAL
Use special tool MB991953 to remove the heated oxygen sensor.
[[B]] RIVET REMOVAL
CAUTION:
Be careful not to score the heat protector by drill.
Use a 6.0 / diameter / mm drill to make a hole in the rivet to break it, and then remove the rivet.
INSTALLATION SERVICE POINTS
]]A[[ RIVET INSTALLATION
Use a rivet tool shown in the illustration to connect the parts with rivets by the following procedures.
1. Insert the rivet into a corresponding location.
2. Set the rivet tool at a portion A of rivet.
3. While pushing the flange surface of the rivet onto parts to be fixed with the rivet tool, press the handle of the tool.
4. Thin part of portion A of the rivet will be cut off and the parts is fixed in position.
]]B[[ HEATED OXYGEN SENSOR INSTALLATION
Tighten the heated oxygen sensor to the specified torque by using special tool MB991953.
Tightening torque: 44 ± 5 Nm (33 ± 3 ft-lb)
]]C[[ EXHAUST TAIL PIPE DIFFUSER INSTALLATION
When the part is reused, make sure that there is no excessive play after installation and that the part is securely fixed.