Remove/install engine with transmission

AR01.10-S-2401EF

Remove/install engine with transmission

29.10.2019

Model

447 with engine 622.9

Modification notes

29.01.2019

Document reference changed

Operation step 17

1

Nuts

2

Exhaust pipe

3

Engine with transmission

 Warning

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure.Risk of poisoning from swallowing hydraulic fluid.

Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 Danger

Risk of death caused by vehicle slipping or toppling off of the lifting platform.

Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.

AS00.00-Z-0010-01A

 Caution

Risk of injury caused by scraping or cutting body parts on sharp vehicle parts

Always wear protective gloves when working on or near sharp and non-deburred vehicle parts.
Deburr repair panels.

AS00.00-Z-0017-01A

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

 Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

 Danger

Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant.

Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been drained.

AS83.00-Z-0001-01A

 

Remove/install

1

Discharge air conditioning system.

Model 447 with code HH4 (AAC THERMOTRONIC) except code HX1 (Refrigerant R-1234yf) Model 447 with code HH9 (Semi-automatic regulated A/C, TEMPMATIC) except code HX1 (Refrigerant R-1234yf)

AR83.30-S-1760E

Model 447 with code HH4 (AAC THERMOTRONIC) with code HX1 (Refrigerant R-1234yf) Model 447 with code HH9 (Semi-automatic regulated A/C, TEMPMATIC) with code HX1 (Refrigerant R-1234yf)

AR83.30-S-1760EF

2

Remove ground line of battery.

AR54.10-S-0003E

3

Release collar nuts of axle shafts.

AR33.30-S-6530EF


Do not move the vehicle with unfastened collar nuts anymore.
Damage can occur to the wheel bearings otherwise.

 The vehicle must be in contact with the ground. Only perform the operation steps to unfasten the collar nuts.

4

Remove air filter housing.

AR09.10-S-1150EF

5.1

Remove cooler.

Model 447 except code HH4 (THERMOTRONIC automatic air conditioning) except code HH9 (Semi-automatically controlled air conditioning, TEMPMATIC)

AR20.20-S-3865EF

5.2

Remove condenser together with cooler.

Model 447 with code HH4 (THERMOTRONIC AAC) Model 447 with code HH9 (A/C, semi-automatic regulated, TEMPMATIC)

AR83.30-S-6540EF

6

Remove integral carrier.

AR22.10-S-1300EF

 Transverse control arms are not removed.

7

Lower integral carrier until transverse control arms are in horizontal position.

8

Remove transverse control arms from integral carrier.

AR33.20-S-1452EF

 Do not remove transverse control arm from the steering knuckles; swivel transverse control arms to the side.

9

Fully remove integral carrier.

 Use aid of helper.

10

Remove front axle shafts from steering knuckles.

AR33.30-S-6530EF

 The front axle shafts remain on transmission.

11

Secure vehicle on vehicle lift.

AR00.60-S-0100E

12

Unscrew nuts (1).

 Nut, exhaust pipe to diesel particulate filter

*BA49.10-N-1001-02E

13

Remove exhaust pipe (2).

 Installation: Replace seal.

14

Disconnect hose and line connections.

AR01.10-S-2400-02EF



Compressor oils (specification 362.1)

BB00.40-P-0362-01A

 M5

*BA00.10-N-1001-01A

 Screw/bolt, ground line to transmission

*BA26.40-N-1002-01P

 Nut, supply line to fuse box

*BA54.18-N-1002-02A

 Threaded connection, refrigerant line to refrigerant line

*BA83.30-N-1017-01A

 Hose clamp pliers

*003589033700

 Record plug

*129589009100

 Pliers for click clamps

*171589003700

 Hose clamp pliers

*454589003700

15

Remove engine with transmission (3).

AR01.10-S-2401-01EF



000 588 03 62 00 Lifting platform

WS01.00-P-0091A

 Commercially available devices/tools
Tensioning straps

 Model 447.### ## as of 022442 with engine 622.9
Model 447.### ## up to 022441 with engine 622.9Nut, bearing to stud bolt

*BA22.10-N-1003-01EF

 Model 447.### ## as of 022442 with engine 622.9
Model 447.### ## up to 022441 with engine 622.9Bolt, engine support to engine carrier plate

*BA22.10-N-1007-01EF

16

Install in the reverse order.

17

Bleed clutch operating system.

AR25.20-S-0072EF



Check

18

Check engine cooling system for leak tightness.

AR20.00-S-1010E

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

19

Check leak tightness during engine test run.

 Visual inspection only.

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

8.8

10.9

BA00.10-N-1001-01A

M5

Galvanized

Nm

6

8

Phosphated

Nm

5

7

 Headless screws/bolts: screws/bolts and nuts, coarse-pitch thread

Number

Designation

12.9

BA00.10-N-1001-01A

M5

Galvanized

Nm

9

Phosphated

Nm

9

 Engine mounts, engine supports

Number

Designation

Engine 622 in model 447.### ## up to 022441

Engine 622 in model 447.### ## as of 022442

BA22.10-N-1003-01EF

Nut, bearing to stud bolt

Nm

62

62

 Engine mounts, engine supports

Number

Designation

Engine 622 in model 447.### ## up to 022441

Engine 622 in model 447.### ## as of 022442

BA22.10-N-1007-01EF

Bolt, engine support to engine carrier plate

Stage 1

Nm

58

58

Stage 2

°

-

90

 Housing

Number

Designation

Transmission 700.7 in model 447

BA26.40-N-1002-01P

Screw/bolt, ground line to transmission

Nm

24

 Exhaust system

Number

Designation

Engine 622 in model 447

BA49.10-N-1001-02E

Nut, exhaust pipe to diesel particulate filter

Nm

8

 Wiring harness

Number

Designation

Model 447, 448

BA54.18-N-1002-02A

Nut, supply line to fuse box

Nm

10

 Air conditioning

Number

Designation

Model 447 with engine 622

BA83.30-N-1017-01A

Threaded connection, refrigerant line to refrigerant line

Nm

20