How to Remove Temperature Sensor for MTU 12-16v Engine

This instruction show you guide on how to remove temperature sensors B6,B7,B9,B26,B33,B5,B10,B34,B48,B1,B13.

 

 

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Removing temperature sensors (B6, B7, B9, B26, B33)

The sensors are identical with regard to design and electrical system. Removal of the sensors is identical.
The arrangement and position of the sensors is shown in the section “C507.98.01 Overview”.
For the sensors listed, the following must be noted before removal:
Sensor B6 (engine coolant temperature)
Before removal of sensor B6, the coolant must be drained and refilled after installation. The necessary procedure and the safety instructions to be followed are described in the operating instructions, section “Engine coolant changing”.

Sensors B7 (lube oil temperature sensor)
When sensor B7 is removed, small quantities of engine oil may emerge. Measures must be taken to collect this engine oil (e.g. suitable containers must be provided).
Sensor B26 (charge air coolant temperature)
Before removal of sensor B26 the coolant must be drained and refilled after installation. The necessary procedure and the safety instructions to be followed are described in the operating instructions, section “Charge air
coolant changing”.

Sensor B33 (fuel temperature)
When sensor B33 is removed, small quantities of fuel may emerge. Measures must be taken to collect this fuel (e.g. suitable containers must be provided).

Release bayonet lock (1) and withdraw connector (2).
Place wrench on nut (3) and unscrew sensor.

 

Removing pressure sensors (B5, B10)
The sensors are identical with regard to design and electrical system. Removal of the sensors is identical.
The arrangement and position of the sensors is shown in the section “C507.98.01 Overview”.
When sensor B5 is removed (lube oil pressure), small quantities of engine oil may emerge. Measures must be
taken to collect this engine oil (e.g. suitable containers must be provided).

Release bayonet lock (1) and withdraw connector (2).
Place wrench on nut (3) and unscrew sensor.

 

Removing pressure sensor (B34)
The arrangement and position of the sensor is shown in the section “C507.98.01 Overview”.
When sensor B34 is removed (fuel pressure after filter), small quantities of fuel may emerge. Measures must be
taken to collect this fuel (e.g. suitable containers must be provided).

Release bayonet lock (1) and withdraw connector (2).
Place wrench on nut (3) and unscrew sensor.

 

Removing pressure sensor (B48)
The arrangement and position of the sensor is shown in the section “C507.98.01 Overview”.
When sensor B48 is removed (H.P. fuel pressure), small quantities of fuel may emerge. Measures must be taken to
collect this fuel (e.g. suitable containers must be provided).

Release bayonet lock (1) and withdraw connector (2).
Place wrench on nut (3) and unscrew sensor.

 

 

Removing speed sensors (B1, B13)
The sensors are identical with regard to design and electrical system. Removal of the sensors is identical.
The arrangement and position of the sensors is shown in the section “C507.98.01 Overview”.

Release bayonet catch (1) of speed sensor (2) and remove
connector (3) from engine wiring system.
Release and remove screw (4).
Carefully withdraw speed sensor (2).

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