Index Subaru Subaru Impreza 3 / Impreza WRX / Impreza WRX STI - service repair manual 2008-2014 year
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FU(STI)-40 Knock Sensor FUEL INJECTION (FUEL SYSTEMS) 7. Knock Sensor A: REMOVAL 1) Disconnect the ground cable from battery. 2) Remove the intercooler. <Ref. to IN(STI)-12, 3) Remove the intake manifold. <Ref. to FU(STI)- 17, REMOVAL, Intake Manifold.> 4) Remove the secondary air combination valve RH. <Ref. to EC(STI)-29, REMOVAL, Secondary 5) Remove the knock sensor from cylinder block. B: INSTALLATION 1) Install the knock sensor to the cylinder block. The portion of the knock sensor cord that is pulled out must be positioned at a 60° angle relative to the engine rear. 24 N·m (2.4 kgf-m, 17.7 ft-lb) 2) Install the secondary air combination valve RH. <Ref. to EC(STI)-30, SECONDARY AIR COMBI- NATION VALVE RH, INSTALLATION, Secondary 3) Install the intake manifold. <Ref. to FU(STI)-21, INSTALLATION, Intake Manifold.> 4) Install the intercooler. <Ref. to IN(STI)-13, IN- 5) Connect the battery ground terminal. C: INSPECTION 1) Check that the knock sensor has no deforma- tion, cracks or other damages. 2) Measure the resistance between knock sensor terminals. (A) Front side of vehicle IN-00203 FU-04494 FU-05758 60 (A) Terminal No. Standard 1 and 2 560±28 kΩ IN-00203 2 1 EC-02428 |