34 52 525 Replacing one front pulse sensor

IMPORTANT: Read and comply with notes on PROTECTION AGAINST ELECTROSTATIC DAMAGE (ESD protection).

Necessary preliminary tasks:

Open housing cover.

Disconnect plug connection (1).

Installation note:

Ensure proper locking of plug connection and proper seating of rubber grommets.

Fig 1: Identifying Front Pulse Sensor Plug Connection

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Disengage line (1) along marked lines from holders.

Installation note:

Ensure proper locking of the holders and proper seating of the line in the brackets.

Fig 2: Identifying Front Pulse Sensor Unclip Line

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Release screw (1) and withdraw pulse sensor (2) from bore hole.

Installation note:

Tightening torque 31 51 3AZ .

Clean bore for pulse sensor and lubricate with Staburags NBU 12/K lubricating grease.

IMPORTANT: Prior to installation, check sensor head for damage and replace if necessary.

Fig 3: Identifying Pulse Sensor And Screw

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