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Removing and installing coolant temperature sensor (CDI)
Diesel models 463.333 (M628) Details of installation of coolant temperature control system CDI engine M628 (1 of 2) Details of installation of coolant temperature control system CDI engine M628 (2 of 2)  | | |
| - Remove the air cleaner (see. Section Service Component inlet air path).
- Remove the right air intake sensor MAF (B2 / 7) (see. Section Service Component inlet air path).
- Release the air duct (15) of the clips in the wheel arch.
- Remove the trim panel of the right cylinder head (17).
- Remove the bolt (1) and move towards the duct (2).
- Remove the bolt (5a) and remove the cover (6).
- Disconnect the electrical wiring from the pressure sensor (B28).
- Disconnect the connectors (N14 / 2x1 and N14 / 2x2) to block the output voltage of preheat systems (N14 / 2).
- Clutching the locking tabs (9), disconnect the vacuum pump (8) line (7).
- Release tabs (10) and move the vacuum line (7) to the side.
- Remove the bolt (11).
- Remove the guide pins (13), the cable sleeve (12) and open it to provide access to the wiring connector coolant temperature sensor (B11 / 4).
- Depressing the clamp with a screwdriver (14), remove the coolant temperature sensor (B11 / 4) - ready to collect spilled liquid.
- Installation is performed in reverse order - do not forget to replace the sealing elements.
- Finally, clean the processor memory on-board self-diagnostic system (see chap. Systems of an electric motor).
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