Remove/install coolant lines

AR20.20-P-7440MTA

Remove/install coolant lines

06.08.2014

ENGINE

133 in MODEL 117, 156, 176

Modification notes

06.08.2014

Schraube Halter an Zylinderkopf/Halter

BA09.40-P-1010-01X

1

Feed line

2

Return flow pipe

5

Screw

6

Screw

7

Screw

8

Bolts

9

Screw

 

Remove/install

1

Drain coolant

AR20.00-P-1142MTA

Only perform operation steps 2 to 6 to remove feed line (1)

2

Remove air filter housing

AR09.10-P-1150MTA

3

Remove screw/bolt (5)

 Bolt, clamp between coolant line for feed line/return flow

*BA09.40-P-1007-01X

4

Detach heat protection cable bushing from feed line (1)

 Installation: Check heat protection cable bushing for damage; replace if necessary.

5

Remove screw/bolt (6)

 Installation: Replace sealing ring.

 Bolt, coolant line for feed line to turbocharger/crankcase/bracket

*BA09.40-P-1005-01X

6

Remove screw/bolt (7) and feed line (1) upwards

 Installation: Replace sealing ring.
Pay attention to correct routing of feed line (1).

 Bolt, coolant line for feed line to turbocharger/crankcase/bracket

*BA09.40-P-1005-01X

Only perform operation steps 7 to 11 to remove return line (2)

7

Remove engine air intake duct

8

Remove screw/bolt (5)

 Bolt, clamp between coolant line for feed line/return flow

*BA09.40-P-1007-01X

9

Remove screw/bolts (8) and pull return line (2) somewhat to the front

 Bolt, bracket to cylinder head/bracket

*BA09.40-P-1010-01X

10

Detach return line (2) from Y-fitting at transmission cooling coolant circulation pump

AR09.41-P-1311-01AL

11

Remove screw/bolt (9) and return line (2) upwards

 Installation: Replace sealing ring.

12

Install in the reverse order



Check

13

Check cooling system for leaktightness

AR20.00-P-1010MTA

 Danger !

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

14

Carry out an engine test run, checking the engine for proper operation and leaktightness

 Turbocharger

Number

Designation

ENGINE 133

BA09.40-P-1005-01X

Bolt, coolant line for feed line to turbocharger/crankcase/bracket

Nm

9

 Turbocharger

Number

Designation

ENGINE 133

BA09.40-P-1007-01X

Bolt, clamp between coolant line for feed line/return flow

Nm

9

 Turbocharger

Number

Designation

ENGINE 133

BA09.40-P-1010-01X

Bolt, bracket to cylinder head/bracket

Stage 1

Nm

20

Stage 2

°

90