Remove/install oil pan

AR01.45-P-7500MNF

Remove/install oil pan

18.02.2020

Engine

176 in model 463

up to model year 2019

1

Electrical connector

2

Electrical line

3

Oil pan

4

Bolts

5

Alternator

6

Bolts

7

Crankcase

 Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

 

Remove/install

1

Remove transmission with torque converter

Engine 176 in model 463 with transmission 722.9
up to model year 2019

AR27.10-P-0500GW

2

Remove rear radial shaft sealing ring

AR03.20-P-3003MNA

3

Remove oil pan bottom section

AR01.45-P-7555MNF

4

Disconnect electrical connection (1)

5

Unclip electric line (2) at oil pan (3)

6

Undo screw/bolts (4) on oil pan (3)

7

Remove clamping device for poly-V belt of alternator (5)

AR13.20-P-0010MNA

8

Remove clamping device holder for poly-V belt of alternator (5)

AR13.20-P-0011MNA

9

Remove front radial shaft sealing ring

AR03.20-P-3002MNA

10

Detach refrigerant compressor and lay down to the side with connected lines

Engine 176 in model 463
as of model year 2016 up to model year 2019

AR83.55-P-5310GW

11

Remove bolts (6)

 Bolt, oil pan top section to crankcase

*BA01.45-P-1005-01Y

12

Pry off oil pan (3) from crankcase (7) and remove downward

AR01.45-P-7500-04MNA

Notes on sealant path for oil pan

AH01.45-P-0001-01C


Do not drive any tools between the crankcase (7) and the oil pan bottom section (3) to pry off.
The sealing surfaces can be damaged otherwise.

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

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

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

13

Remove lower guide pulley for poly-V belt of refrigerant compressor

When installing a new oil pan (3).

AR13.20-P-0006MNF

14

Remove crankshaft Hall sensor

When installing a new oil pan (3).

AR15.12-P-2136MNA



Clean

15

Clean sealing surfaces on oil pan (3) and crankcase (7)

AR01.00-P-0050-01A

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

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

16

Install in the reverse order



Check

17

Check engine oil level; correct if necessary



AP18.00-P-0101GE

 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

18

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

 Oil pan

Number

Designation

Engine 176

BA01.45-P-1005-01Y

Bolt, oil pan top section to crankcase

Nm

10

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