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Remove/install oil pan - AR01.45-P-7500EW

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ENGINES 273 in MODEL 212 

Vehicle with rear sump 

Fig 1: Oil Pan Remove/Install Components - Shown On 273 In Model 212 (1 Of 2)
G09973970Courtesy of MERCEDES-BENZ USA
Fig 2: Oil Pan Remove/Install Components - Shown On 273 In Model 212 (2 Of 2)
G09973971Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
NOTES Information on preventing damage to electronic components due to electrostatic discharge   AH54.00-P-0001-01A
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A
1 Remove guide tube of oil dipstick   AR18.40-P-3510EW
2 Drain coolant at radiator   AR20.00-P-1142EWS
NOTES Notes on coolant   AH20.00-N-2080-01A
3 Remove oil pan bottom section   AR01.45-P-7555EW 
4 Release and detach electrical connector for left oxygen sensor upstream of catalytic converter (G3/3x1) and electrical connector for left oxygen sensor downstream of catalytic converter (G3/5x1) and expose electrical feed lines    
5 Release and disconnect electrical connector (1)    
6 Detach catalytic converters from exhaust manifolds and remove both holders (2)   AR49.10-P-7100EW
7 Remove engine mount bolts (3) from front axle carrier   AR22.10-P-1260EWS
8 Detach high-pressure line (4) from alternator (G2) TORQUE SPECIFICATION *BA46.30-P-1006-01T 
9 Remove poly-V belt   AR13.20-P-0001EWS
10 Detach A/C compressor (A9) with attached lines from engine and fasten to the side   AR83.55-P-5300EW
11 Remove partition wall (5) between wheel wells    
12 Remove bracket (6) for the upper coolant hose    
13 Attach engine hoist and raise engine   AR33.10-P-0105EW
14 Remove oil lines (7) for A/T from oil pan (8)   AR27.55-P-0600EV
15 Remove screw/bolts from oil pan (8) and fasten bracket (9) on the side with electrical feed lines INSTALLATION IMPORTANT Observe different bolt lengths and diameters: ↓  
    Bolt plan for oil pan AR01.45-P-7500-06SX
    TORQUE SPECIFICATION *BA01.45-P-1002-01M 
    TORQUE SPECIFICATION *BA01.45-P-1005-01M 
    TORQUE SPECIFICATION *BA27.40-P-1008-01A 
16 Detach oil pan (8) from crankcase and remove to rear NOTES When detaching it, do not insert any tools between the crankcase and oil pan, otherwise the sealing surfaces may be damaged! If necessary, heat oil pan (8) in area of sealing surfaces using hot air gun.
INSTALLATION IMPORTANT Apply sealant to the sealing surface of oil pan (8): ↓
 
IMPORTANT Notes on sealant path for oil pan   AH01.45-P-0001-01SX
    Loctite 5970 sealant *BR00.45-Z-1013-01A 
CLEAN Clean     
17 Clean sealing surfaces at oil pan (8) and at crankcase NOTES Do not use any sharp-edged tools or abrasive paper as this will damage the sealing surfaces. AR01.00-P-0050-01A
    Loctite 7200 *BR00.45-Z-1038-04A 
    Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
18 Install in the reverse order    
INSPECT Checking     
19 Check engine oil level and correct    
REFER TO MAINTENANCE Engine oil and filter change   AP18.00-P-0101EW
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
20 Conduct engine test run and check engine for leaks    
POWER STEERING PUMP

Number Designation Model 212
BA46.30-P-1006-01T Nut, high-pressure line to alternator bracket Nm 8
OIL PAN

Number Designation Engine 273
BA01.45-P-1002-01M Screw/bolt, oil pan to cylinder crankcase, timing case cover or rear cover Nm 9
BA01.45-P-1005-01M Oil pan top section on cylinder crankcase on transmission side M8X30 Nm 20
HOUSING

Number Designation Transmission 722.9
BA27.40-P-1008-01A Screw/bolt, automatic transmission to engine M10X40 Nm 38
M10X90 Nm 38
M12 Nm -
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1013-01A Loctite 5970 sealant A 003 989 98 20
BR00.45-Z-1038-04A Loctite 7200 Henkel Loctite Deutschland GmbH
BR00.45-Z-1046-04A Loctite 7063 cleaning spray (150 ml) A 001 986 71 71 10