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Home >> Volvo >> 2003 >> V40 L4-1.9L Turbo VIN 27 B4204T4 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Knock Sensor >> Service and Repair >> Procedures
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Procedures





Replacing The Knock Sensor (KS)

Preparations

Remove







- The relay cover.
- The trim cover.
- The connector from the bracket. Open the two clamps. Pull out the cable from the protective tube.
- The battery negative lead.
- The front engine cover.
- The starter motor.

Replacing the knock sensor (KS)

Remove







- The screw.
- The knock sensor (KS) from underneath. Remove the assembly with its wiring.

Install:
The knock sensor (KS) from underneath. Tighten the nut to 20 Nm.

NOTE: Install the knock sensor (KS) as shown in the above figure.

Installing components

Install:







- The starter motor.
- Route the cable via the protective tube. Install the clamps.
- The connector on the bracket.
- The cover over the connector.
- The engine cover.
- The front engine cover.
- The battery negative lead.

Start the engine. Read off any diagnostic trouble codes (DTCs).
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