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Home >> Volkswagen >> 1991 >> Jetta L4-1984cc 2.0L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Technical Service Bulletins >> Campaign - Knock Sensor Replacement >> Qx Work Procedure
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Qx Work Procedure

ILLUSTRATION I:




REPLACE KNOCK SENSOR AND REROUTE CABLES

- Remove knock sensor A from engine.

- Disconnect knock sensor A from connector C, located near oil filter, and dispose of knock sensor after cutting cable.

- Disconnect knock sensor B cable from connector D, located behind distributor, and connect to connector C near oil filter.

ILLUSTRATION II:




- Clip knock sensor B cable to water pipe as shown in Illustration II.

- Attach new knock sensor, part number 034 905 377A, to block using original bolt - torque to 20-25 N-m (15-18 ft.lb.)

- Route cable around engine and connect to connector D, located behind distributor.