Subaru Outback: Throttle Body

A: REMOVAL

1) Disconnect the ground cable from battery.

2) Remove the cover (A) and clip (B) from air intake boot assembly.

3) Loosen the clamp (A) which connects the air intake boot assembly and air cleaner case.

4) Loosen the clamp (B) which connects the air intake boot assembly and throttle body.

5) Remove the air intake boot from the throttle body, and move it to the left side wheel apron.

6) Disconnect the connectors (A) from the throttle position sensor.

7) Remove the bolts which secure the throttle body to the multi-function duct assembly, and remove the throttle body.

B: INSTALLATION

Install in the reverse order of removal.

NOTE: Use a new gasket.

Tightening torque: 8 N*m (0.8 kgf-m, 5.9 ft-lb)

NOTE: Align the clamp hole with the protrusion of the air intake boot assembly.

Tightening torque:
Clamp (A), (B)
3 N*m (0.3 kgf-m, 2.2 ft-lb)

C: INSPECTION

1. THROTTLE SENSOR (METHOD WITH CIRCUIT TESTER)

1) Warm up the engine.

2) Remove the glove box lid assembly.

3) Turn the ignition switch to ON. (engine OFF)

4) Measure the voltage between ECM connector terminals.

1. To ECM connector

5) After inspection, install the related parts in the reverse order of removal.

2. THROTTLE SENSOR (METHOD WITH SUBARU SELECT MONITOR)

1) Warm up the engine.

2) Turn the ignition switch to ON. (engine OFF)

3) Read the throttle opening angle signal and voltage of throttle sensor using Subaru Select Monitor.

3. OTHER INSPECTIONS

1) Check that the throttle body has no deformation, cracks or other damages.

2) Check that the engine coolant hose has no cracks, damage or loose part.

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