Remove/install oil filter housing

AR18.20-W-3471R

Remove/install oil filter housing

04.12.2019

Engine

926.9 in model 949

Shown with fan removed

1

Breaker bar and socket

2

Poly-V belt tensioning device

3

Oil filter housing

4

Bracket

5

Electrical lines (only on vehicles with code M90 (charge air preheating system, electrical))

6

Coolant pump

7

Poly-V-belt

8

Coolant line (only on vehicles with code MS5 (BlueTec 5))

9

Carrier

10

Seal

G2

Alternator

Pfeil A

Pivot direction

Pfeil B

Hole

Shown on vehicles with code M90 (charge air pre-heating, electrical ) and with code Z69 (vehicle, capable of fording up to 1,500 mm)

2

Poly-V belt tensioning device

3

Oil filter housing

4

Bracket

5

Electrical lines (only on vehicles with code M90 (charge air preheating system, electrical))

11

Air intake hose (only on vehicles with code Z69 (vehicle, capable of fording up to 1,500 mm) or with code Z90 (vehicle, capable of fording up to 1,195 mm))

12

Oil pressure line

13

Oil filter cover

14

Bracket

G2

Alternator

 

Remove/install

1

Open engine hood and raise to vertical position

AR88.40-W-1000R

 Installation: Only close the engine hood after the leak test.

2

Drain off coolant

AR20.00-W-1142R

 Only on vehicles with code MS5 (BlueTec 5).

3

Remove air filter

AR09.10-W-1050R

4

Remove air intake hose (11) from alternator (G2)

 Only on vehicles without code Z69 (vehicle, capable of fording up to 1,500 mm) or without code Z90 (vehicle, capable of fording up to 1,195 mm)

5

Remove bracket (4) from the coolant pump (6) and the charge air pipe

 Bracket to coolant pump

*BA20.10-N-1005-01C

6

Remove clamps for the electrical lines (5) from the bracket (4) and remove the bracket (4)

 Only for vehicles with code M90(Charge air preheating system, electrical).

7

Detach cable tie and remove electrical lines (5) from the oil filter housing (3)

 Only for vehicles with code M90(Charge air preheating system, electrical).

8

Remove oil filter cover (13)

 The engine oil runs out of the oil filter housing (3) back into the oil pan.

 Oil filter cover to oil filter housing

*BA18.20-N-1003-01B

9

Turn poly-V belt tensioning device (2) with breaker bar and socket (1) in pivoting direction (arrow A) and remove poly-V belt (7) from the guide pulley.

AR13.22-W-3902-02B



AP13.22-D-1351-01A

 Observe poly-V belt (7) routing diagram.

 Installation: Check condition of poly-V-belt (7); replace if necessary.

10

Remove poly-V belt tensioning device (2)

 Bolt, poly-V-belt tensioning device to oil filter housing

*BA13.25-N-1001-01C

11

Remove alternator (G2) from the bracket (14)

 Bolt, alternator to bracket

*BA15.40-N-1003-01B

12

Detach alternator (G2) from the carrier (9) and swivel it away from the engine

 Nut, alternator to support

*BA15.40-N-1002-01B

13

Detach cable ties and remove oil pressure line (12) from the oil filter housing (3)

 Install new sealing rings.

 Banjo bolt, oil pressure line to oil filter housing

*BA18.20-N-1006-01B

14

Remove coolant line (8) from coolant pump (6)

 Only on vehicles with code MS5 (BlueTec 5). Collect coolant which flows out.

15

Remove bracket of the coolant line (8) from the oil filter housing (3)

 Only on vehicles with code MS5 (BlueTec 5).

 Bolt, oil filter housing to crankcase

*BA18.20-N-1001-01B

16

Remove oil filter cover (13)

 Installation: Check oil filter element and sealing ring for damage and contamination; if necessary, replace the oil filter element and sealing ring.

17

Remove oil filter housing (3) from cylinder crankcase

 Installation: Install new gasket (10). Insert the screw into the bore (arrow B) of the oil filter housing (3) before placing the oil filter housing (3) in position.

 Bolt, oil filter housing to crankcase

*BA18.20-N-1001-01B

18

Remove bracket (14) from oil filter housing (3)

 Only if the oil filter housing (3) is being replaced.

 Bolt, alternator bracket to oil filter

*BA15.40-N-1001-01B

19

Install in the reverse order

20

Check engine oil level with oil dipstick or on display, add oil if necessary

Notes on engine oil

AH18.00-N-0101-01HA

 Observe engine oil grade set in maintenance system or Specifications for Operating Fluids.

 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

21

Start engine and allow to run in idle for 10 s until the oil pressure has built up, then run the engine at varying speeds

22

Turn off engine and check area of oil filter housing (3) for leaktightness

 Visual inspection.

 Belt tensioning device

Number

Designation

ENGINE 924.9, 925.9, 926.9

BA13.25-N-1001-01C

Bolt, poly-V-belt tensioning device to oil filter housing

Nm

50

 Alternator

Number

Designation

ENGINE 924.9, 925.9, 926.9

BA15.40-N-1001-01B

Bolt, alternator bracket to oil filter

Nm

40

 Alternator

Number

Designation

ENGINE 924.9, 925.9, 926.9

BA15.40-N-1002-01B

Nut, alternator to support

Nm

50

 Alternator

Number

Designation

ENGINE 924.9, 925.9, 926.9

BA15.40-N-1003-01B

Bolt, alternator to bracket

Nm

65

 Oil filter

Number

Designation

Engine 924.9, 925.9, 926.9

BA18.20-N-1001-01B

Bolt, oil filter housing to crankcase

Nm

25

 Oil filter

Number

Designation

Engine 924.9, 925.9, 926.9

BA18.20-N-1003-01B

Oil filter cover to oil filter housing

Nm

25

 Oil filter

Number

Designation

Engine 924.9, 925.9, 926.9

BA18.20-N-1006-01B

Banjo bolt, oil pressure line to oil filter housing

Nm

35

 Coolant pump, coolant thermostat

Number

Designation

ENGINE 924.9, 925.9, 926.9

BA20.10-N-1005-01C

Bracket to coolant pump

Nm

50