Remove/install oil pan

AR01.45-P-7500W

Remove/install oil pan

18.02.2020

Engine

276.9 in model 172

Modification notes

23.03.2017

Repair method completely revised.

1

Oil pan bottom section

7

Front axle carrier

10

Pressure line

2

Oil pan

9L

Oil line

11

Transmission

3

Complete wheels

9R

Oil line

12

Sealing ring

5

Steering coupling

1

Oil pan bottom section

1a

Screws (12 pcs.)

2

Oil pan

2a

Screws/bolts (22 ea.)

4

Crankcase

 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

 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

 Caution

Risk of injury to skin and eyes due to handling of transmission oil. Health risk caused by swallowing transmission oil

Wear protective gloves, protective clothing and safety glasses.
Do not pour transmission oil into beverage bottles.

AS00.40-Z-0001-01A

 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

 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

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Secure vehicle on vehicle lift

AR00.60-P-0100T

2

Disconnect battery ground line

AR54.10-P-0003W

3

Remove engine air intake duct upstream of air filter

4

Remove front engine cover

 Installation: Do not install front engine cover until after the leak test.

5

Remove engine compartment paneling

AR61.20-P-1105W

 Installation: Only install lower engine compartment paneling after a leak test.

6

Drain engine oil and catch in a suitable container

 Installation: Tighten drain screw with new seal.

 Drain plug at oil pan/oil pan bottom section

*BA01.45-P-1007-01E

7

Remove front wheel and tire assemblies (3)



AP40.10-P-4050V

8

Release and disconnect electrical connection on oil level check switch

AR18.40-P-5113W

9

Remove heat shield over crankshaft Hall sensor

 Bolt, crankshaft Hall sensor to crankcase

*BA15.10-P-1001-03E

10

Remove oil dipstick tube

 Installation: Replace sealing ring (12).

 Screw/bolt, guide tube to oil pan

*BA01.45-P-1004-01E

 Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover

*BA01.45-P-1005-01E

11

Mount engine lifting lug on left cylinder head

 Bolt, lifting eye to front cylinder head

*BA01.30-P-1005-01W

12

Attach engine hoist and raise engine; do not tension engine mounts

AR33.10-P-0100-01VA

 Engine lifting device

*240589006100

13

Remove steering coupling (5) from lower steering shaft

AR46.10-P-8000V

14

Loosen and lower front axle carrier (7)

AR33.10-P-0101V

15

Remove clamps and brackets for oil lines (9L, 9R) from oil pan (2) and transmission (11), set aside and close off with suitable stop plugs

AR27.55-P-0600W

 Record plug

*129589009100

16

Remove bracket for pressure line (10) from oil pan (2)

 Bracket, high-pressure line/low-pressure line to oil pan

*BA46.30-P-1006-01R

17

Remove screws/bolts (1a)

 Bolt, oil pan bottom section to oil pan

*BA01.45-P-1003-01E

18

Remove screws/bolts at transmission end from oil pan (2)

 Engine 276.9 in model 172 with transmission 722.9Bolt, automatic transmission to engine

*BA27.40-P-1008-01A

19

Raise engine further


The engine with transmission must not bear against the firewall.
Otherwise damage can occur to lines and detachable parts.

 Engine lifting device

*240589006100

20

Pry off oil pan bottom section (1)

AR01.45-P-7500-04MM

Notes on sealant path for oil pan

AH01.45-P-0001-01MMA



000 588 00 84 00 Heat gun

WS54.00-P-0049B


Do not drive any tools between the oil pan bottom section (1) and the oil pan (2) to loosen them.
The sealing surface will be damaged otherwise. If necessary, heat the oil pan bottom section (1) in the area of the sealing surfaces using a heat gun.

 Installation: Notes on sealant path for oil pan bottom section (1).

 Bolt, oil pan bottom section to oil pan

*BA01.45-P-1003-01E

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

21

Remove screw/bolts (2a) from oil pan (2)

 Installation: Pay attention to different lengths of screws.

 Screw/bolt, oil pan to crankcase/ timing case cover/rear end cover

*BA01.45-P-1001-01E

 Bolt, oil pan to crankcase

*BA01.45-P-1002-01E

22

Pry off oil pan (2) and remove downwards

AR01.45-P-7500-04MM

Notes on sealant path for oil pan

AH01.45-P-0001-01MMA



000 588 00 84 00 Heat gun

WS54.00-P-0049B


Do not drive any tools between the oil pan (2) and the crankcase (4) to loosen them.
The sealing surface will be damaged otherwise. Heat oil pan (2) in the area of the sealing surfaces using a heat gun.

Sealant, Loctite 5970, 50 ml

*BR00.45-Z-1013-01A

23

Reuse oil level switch

When installing a new oil pan (2).

AR18.40-P-5113W

24

Clean sealing surfaces on oil pan (2), oil pan bottom section (1) and crankcase (4)

AR01.00-P-0050-01A

Loctite 7200

*BR00.45-Z-1038-04A

Loctite 7063 (400 ml) cleaning spray

*BR00.45-Z-1046-04A

25

Install in the reverse order

26

Check engine oil level; correct if necessary



AP18.00-P-1811MP

27

Check transmission oil level and correct if necessary

Engine 276.9 in model 172 with transmission 722.9

AR27.00-P-0270W

 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

28

Carry out engine test run while checking the engine and transmission (11) for leaktightness and proper function

29

Install front engine cover

30

Install lower engine compartment paneling

AR61.20-P-1105W

 Cylinder head

Number

Designation

Engine 276

BA01.30-P-1005-01W

Bolt, lifting eye to front cylinder head

Nm

18

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1001-01E

Screw/bolt, oil pan to crankcase/ timing case cover/rear end cover

M6

Nm

9

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1002-01E

Bolt, oil pan to crankcase

M8

Nm

20

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1003-01E

Bolt, oil pan bottom section to oil pan

Nm

14

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1004-01E

Screw/bolt, guide tube to oil pan

Nm

5

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1005-01E

Screw/bolt, guide tube to cylinder head/cylinder head cover/front cover

Nm

5

 Oil pan

Number

Designation

Engine 276

BA01.45-P-1007-01E

Drain plug at oil pan/oil pan bottom section

Metal

M12

Nm

30

M14

Nm

30

Plastic

Nm

Anzug bis Rastnase anschlägt

 Position sensor

Number

Designation

Engine 276

BA15.10-P-1001-03E

Bolt, crankshaft Hall sensor to crankcase

Nm

8

 Housing

Number

Designation

Transmission 722.9

BA27.40-P-1008-01A

Bolt, automatic transmission to engine

M1040

Nm

38

M1045

Nm

38

M1090

Nm

38

M12

Nm

–

 Power steering pump

Number

Designation

Model 172 with engine 271, 276, 651

BA46.30-P-1006-01R

Bracket, high-pressure line/low-pressure line to oil pan

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