Remove/install oil pan

AR01.45-P-7500MTA

Remove/install oil pan

18.02.2020

Engine

133 in model 117, 156, 176

1

Electrical connector

2

Poly-V-belt

3

Oil pan

4

Coolant line

5

Electrical connector

21

Clip

22

Screw

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

Notes on sealant path for oil pan

AH01.45-P-0001-01MMA

1

Remove upper engine cover

2

Remove lower engine compartment paneling

AR61.20-P-1105NKB

3

Drain engine oil



AP18.00-P-0101AHH

4

Drain off coolant

AR20.00-P-1142MTA

5

Remove poly-V belt (2)

AR13.20-P-0001MTA

6

Disconnect electrical connector (1) on refrigerant compressor

7

Detach A/C compressor at crankcase and oil pan (3) and secure against falling down

 Do not separate refrigerant lines.

 Screw/bolt, A/C compressor to bracket

*BA83.55-P-1001-01BA

8

Detach coolant line (4) from oil filter housing and oil pan (3) and place to one side

9

Remove heat shield above ATL

 Bolt, heat shield to bracket

*BA09.40-P-1009-01X

10

Detach clamp (21) at CAT above; to do this loosen screw/bolts (22)

 Clamp, catalytic converter/gasoline particulate filter to exhaust gas turbocharger

*BA49.10-P-1014-01AL

11

Remove intermediate pipe for exhaust system

AR49.10-P-7100MTA

12

Unhook CAT at the exhaust rubber bearing

13

Swivel CAT to the front

 Ensure that the electrical line of the oxygen sensor downstream of CAT is not damaged.

14

Remove lower torsion bar linkage

AR22.10-P-1120MTA

15

Detach coolant transmission cooling circulation pump with holder on transmission and place with attached hose lines to one side

16

Disconnect electrical connection (5) on oil level check switch and unclip electrical wiring harness at oil pan (3).

17

Remove screws/bolts from transmission at oil pan (3)

 Bolt, transmission to engine

*BA27.10-P-1017-04F

18

Remove screws/bolts from oil pan (3)

Tightening procedure for oil pan bolts

AR01.45-P-7500-01MT

 Installation: Pay attention to different screw/bolt lengths and tightening procedure.

 Bolt, oil pan to crankcase/timing case cover

*BA01.45-P-1002-01V

19

Unfasten oil pan (3) from crankcase and remove downwards

Notes on sealant path for oil pan

AH01.45-P-0001-01MMA


Do not drive in any tools between the crankcase and oil pan(3) to loosen them.
The sealing surfaces can be damaged otherwise.

 If necessary, heat oil pan(3) in the area of the sealing surfaces with a heat gun.

 Installation: Apply sealant to sealing surface of oil pan (3) and, in doing so, observe notes on sealant path on the oil pan (3).

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

20

Remove oil level check switch

When installing a new oil pan (3).

AR18.40-P-5113MTA



Clean

21

Clean sealing surfaces on the oil pan (3) and crankcase

AR01.00-P-0050-01A


Do not use any sharp-edged tools or abrasive paper.
The sealing surfaces can be damaged otherwise.

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

22

Install in the reverse order



Check

23

Check engine oil level and correct if necessary



AP18.00-P-0101AHH

 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

24

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

 Oil pan

Number

Designation

Engine 133.980

BA01.45-P-1002-01V

Bolt, oil pan to crankcase/timing case cover

Nm

11

 Turbocharger

Number

Designation

Engine 133

BA09.40-P-1009-01X

Bolt, heat shield to bracket

Nm

9

 Automatic transmission complete

Number

Designation

Transmission 724.0

BA27.10-P-1017-04F

Bolt, transmission to engine

Nm

39

 Exhaust system

Number

Designation

Engine 133 in model 117

Engine 133 in model 156

BA49.10-P-1014-01AL

Clamp, catalytic converter/gasoline particulate filter to exhaust gas turbocharger

M8

Nm

20

20

 Exhaust system

Number

Designation

Engine 133 in model 176

BA49.10-P-1014-01AL

Clamp, catalytic converter/gasoline particulate filter to exhaust gas turbocharger

M8

Nm

20

 Refrigerant compressor

Number

Designation

Engine 133

BA83.55-P-1001-01BA

Screw/bolt, A/C compressor to bracket

Nm

20

Repair materials

Number

Designation

Order number

BR00.45-Z-1013-01A

Sealant, Loctite 5970, 50 ml

A 003 989 98 20 10

BR00.45-Z-1038-04A

Loctite 7200

Henkel AG & Co. KGaA
http://www.loctite.de

BR00.45-Z-1046-04A

Loctite 7063 (400 ml) cleaning spray

A 001 986 71 71 09