Subaru Forester Vacuum Fitting 1999 2000 User Manual

Page 1
2-1 [W1A0] SERVICE PROCEDURE
1. Front Catalytic Converter
1. Front Catalytic Converter
A: REMOVAL
1) Disconnect battery ground cable.
G6M0095
2) Disconnect front oxygen (A/F) sensor connec­tor.
6) Separate front and rear catalytic converter assembly from rear exhaust pipe.
B2M0055
7) Remove front exhaust pipe from cylinder heads.
B2M3439
3) Lift-up the vehicle.
5) Disconnect rear oxygen sensor connector.
B2M3440
B2M0054
8) Remove front and rear catalytic converter assembly from hanger bracket.
CAUTION: I Be careful not to pull down center exhaust pipe. I After removing center exhaust pipe, do not apply excessive pulling force on rear exhaust pipe.
B2M0313
2
Page 2
[W1B0] 2-1SERVICE PROCEDURE
1. Front Catalytic Converter
9) Separate front and rear catalytic converter assembly from front exhaust pipe.
NOTE: The rear catalytic converter is integrated with front catalytic converter. Therefore, the procedure for removing rear catalytic converter is the same as the description above.
S2M0923
B: INSTALLATION
CAUTION: Replace gaskets with new ones.
3) Install front exhaust pipe to cylinder heads.
Tightening torque:
±
5 N·m (3.1±0.5 kg-m, 22.4±3.6 ft-lb)
30
B2M0054
4) Install front and rear catalytic converter assem­bly to rear exhaust pipe.
Tightening torque:
±
5 N·m (1.8±0.5 kg-m, 13.0±3.6 ft-lb)
18
1) Install front and rear catalytic converter assem­bly to front exhaust pipe.
S2M0923
2) Install front and rear catalytic converter assem­bly. Temporarily tighten bolt which installs center exhaust pipe to hanger bracket.
B2M0055
5) Tighten bolt which holds front and rear catalytic converter assembly to hanger bracket.
Tightening torque:
±
5 N·m (3.6±0.5 kg-m, 26.0±3.6 ft-lb)
35
B2M0313
B2M0313
3
Page 3
2-1 [W2A0] SERVICE PROCEDURE
2. Rear Catalytic Converter
6) Connect rear oxygen sensor connector.
B2M3440
7) Install under cover.
8) Lower the vehicle.
9) Connect connector to front oxygen (A/F) sen­sor.
2. Rear Catalytic Converter
A: REMOVAL
The front and rear catalytic converter and center exhaust pipe are integrated into one unit. Therefore, the removal and installation procedures are the same as the those for the front catalytic converter. <Ref. to 2-1 [W1A0].>
B: INSTALLATION
The front and rear catalytic converter and center exhaust pipe are integrated into one unit. Therefore, the removal and installation procedures are the same as the ones described under front catalytic converter. <Ref. to 2-1 [W1B0].>
10) Connect battery ground cable.
B2M3439
G6M0095
4
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