Remove/install left engine support

AR22.10-S-4350EA

Remove/install left engine support

02.07.2019

Engine

654.9 in model 447

Shown with CODE HH4 (THERMOTRONIC automatic air conditioning)

1

Left engine support

4

Bracket

7

Screw

2

Refrigerant compressor

5

Screw

8

Bolts

3

Screw

6

Pressure transducer bracket

 

Remove/install

1

Remove the alternator

AR15.40-S-5032EA

2

Remove screw (7).

 Bolt, engine mount to engine support

*BA22.10-N-1001-01EA

3

Install engine hoist and lift engine somewhat.

AR22.10-S-1260-01EA

 Installation: Ensure that the installation position of the left engine carrier (1) on the engine mount is correct.

 Screw, front module carrier to bodyshell/holder

*BA62.30-N-1003-01C

 Clip remover

*452589016300

 Support braces

*447589006300

 Engine lifting device

*639589006100

4

Remove refrigerant compressor (2).

Model 447 with engine 654.9
with code HH4 (THERMOTRONIC automatic climate control)
Model 447 with engine 654.9
with code HH9 (Air conditioner, automatic heater control)

AR83.55-S-5310EA

5

Remove screws (3) and remove bracket (4) from the left engine carrier (1).

 Screw, electrical wiring harness bracket to engine carrier

*BA15.18-N-1001-01EA

6

Remove screw (5).

 Bolt, holder for pressure transducer for rear vacuum cell to engine carrier

*BA09.40-N-1031-02EA

7

Remove pressure transducer bracket (6) from the left engine carrier (1) and place to one side.

8

Remove screws (8).

Topical note

Notes on threaded connections fastened using a tightening angle-based tightening process

AH00.00-P-0020-01A

 Screw, engine carrier at crankcase

*BA22.10-N-1003-01EA

9

Remove left engine support (1).

10

Install in the reverse order.

 Turbocharger

Number

Designation

Engine 654.9 in model 447

BA09.40-N-1031-02EA

Bolt, holder for pressure transducer for rear vacuum cell to engine carrier

Nm

7

 Engine wiring harness

Number

Designation

Engine 654.9 in model 447

BA15.18-N-1001-01EA

Screw, electrical wiring harness bracket to engine carrier

Nm

8

 Engine mounts, engine supports

Number

Designation

Engine 654.9 in model 447

BA22.10-N-1001-01EA

Bolt, engine mount to engine support

Nm

61

 Engine mounts, engine supports

Number

Designation

Engine 654.9 in model 447

BA22.10-N-1003-01EA

Screw, engine carrier at crankcase

Stage 1

Nm

20

Stage 2

°

90

 Cross member and front reinforcement

Number

Designation

Model 447, 448

BA62.30-N-1003-01C

Screw, front module carrier to bodyshell/holder

Nm

10