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Remove/install crankshaft - AR03.20-P-4351FH

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ENGINE 276 in MODEL 172, 204, 207, 212, 218 

Fig 1: Crankshaft Remove/Install Components
G09974139Courtesy of MERCEDES-BENZ USA
REMOVING Remove     
1.1 Remove engine with front axle carrier Engine 276 in model 204, 207 with code M005 (4MATIC)
ENGINE 276.9 in MODEL 204.08/98, 207.38		 AR01.10-P-2500FH
    ENGINE 276.8 in MODEL 212.067/099/167/168/267/299 AR01.10-P-2500ELS
    ENGINE 276.9 in MODEL 212.08/28 AR01.10-P-2500ELB
1.2 Remove engine with transmission Engine 276 in model 172, 204, 207, 212, 218 except code M005 (4MATIC)  
    ENGINE 276 in MODEL 172 AR01.10-P-2401W
    ENGINE 276.9 in MODEL 204.05/25/95
ENGINE 276.9 in MODEL 207 (except 207.38)		 AR01.10-P-2401FH
    ENGINE 276.8 in MODEL 207 AR01.10-P-2401FT
    ENGINE 276.8 in MODEL 212.061/065/165/261/265 AR01.10-P-2401ELS
    ENGINE 276.9 in MODEL 212 (except 212.067/080/088/095/195/267/280/288)
ENGINE 276.9 in MODEL 218 (except 218.367/368/967/968)		 AR01.10-P-2401EL
    ENGINE 276.9 in MODEL 212.095/195 AR01.10-P-2401EHV
2 Detach transmission with torque converter ENGINE 276 in MODEL 172, 204, 207, 212, 218  
    TRANSMISSION 722.9 in MODEL 172 with ENGINE 276 AR27.10-P-0500W
    TRANSMISSION 722.96 in MODEL 204.0/9 with ENGINE 276
TRANSMISSION 722.96 in MODEL 207.3, 212, 218 with ENGINE 276		 AR27.10-P-0500CWX
    TRANSMISSION 722.9 (except 722.96) in MODEL 204, 207 with ENGINE 276 AR27.10-P-0500CV
    TRANSMISSION 722.9 (except 722.96) in MODEL 212 with ENGINE 276
TRANSMISSION 722.9 (except 722.96) in MODEL 218 with ENGINE 276		 AR27.10-P-0500EV
3 Secure engine to assembly stand Passenger car engine assembly stand  
4 Remove oil pan MODEL 172 with ENGINE 276 AR01.45-P-7500W
    MODEL 204, 207 with ENGINE 276.9 AR01.45-P-7500FHA
    MODEL 207, 212, 218 with ENGINE 276.8 AR01.45-P-7500ELS
    MODEL 212 (except 212.095/195), 218 with ENGINE 276.9 AR01.45-P-7500EL
    MODEL 212.095/195 with ENGINE 276.9 AR01.45-P-7500EHV
5 Remove oil pump MODEL 172 with ENGINE 276 AR18.10-P-6020W
    MODEL 204, 207 with ENGINE 276 AR18.10-P-6020FH
    MODEL 212, 218 with ENGINE 276 AR18.10-P-6020EL
6 Remove rear crankshaft radial shaft sealing ring MODEL 172.4 with ENGINE 276 AR03.20-P-3063W
    MODEL 204, 207 with ENGINE 276 AR03.20-P-3063FH
    MODEL 212, 218 with ENGINE 276 AR03.20-P-3063EL
7 Remove timing case cover MODEL 172 with ENGINE 276 AR01.40-P-8000W
    MODEL 204, 207 with ENGINE 276.9 AR01.40-P-8000FH
    ENGINE 276.8 in MODEL 207, 212, 218 AR01.40-P-8000ELS
    MODEL 212, 218 with ENGINE 276.9
IMPORTANT Remove crankshaft radial sealing ring on timing case cover.		 AR01.40-P-8000EL
8 Remove timing chain on primary chain drive MODEL 172 with ENGINE 276 AR05.10-P-7612W
    MODEL 204, 207 with ENGINE 276 AR05.10-P-7612FH
    MODEL 212, 218 with ENGINE 276 AR05.10-P-7612EL
9 Detach timing chain drive gear (3) from crankshaft (6)    
10 Mark connecting rod and connecting rod bearing cap on one side relative to each other and to the respective cylinder    
11 Remove connecting rod bearing shells and mark relative to the associated connecting rods and connecting rod bearing caps if necessary    
12 Loosen crankshaft bearing cap (1) bolts and crankshaft fitted bearing cap (2) in reverse order of tightening procedure   AR03.20-P-4351-02MM
13 Remove crankshaft bearing cap (1) and crankshaft fitted bearing cap (2) IMPORTANT Carefully lever out crankshaft bearing cap (1) and crankshaft fitted bearing cap (2). Mark lower crankshaft bearing shells (4) relative to the respective crankshaft bearing cap (1) and the crankshaft fitted bearing cap (2). Mark lower thrust plate (A) relative to the crankshaft fitted bearing cap (2).  
14 Remove crankshaft (6) from cylinder crankcase    
15 Take out upper crankshaft bearing shells (5) and upper thrust plates (B) from the cylinder crankcase IMPORTANT Mark upper crankshaft bearing shells (5) relative to the respective crankshaft bearing and upper thrust plates (B) relative to the crankshaft fitted bearing.  
CLEAN Clean     
16 Clean all power unit components NOTES The power unit components must be absolutely free of soiling.
Engine damage can occur otherwise.		  
    Assembly cleaner *BR00.45-Z-1028-04A 
INSPECT Check     
17 Check all power unit components for damage and wear    
INSTALLING Install     
18 Assign crankshaft bearing shells (4, 5) if necessary and insert into cylinder crankcase    
      AR03.20-P-4360-01MM 
19 Insert crankshaft (6) into crankcase and install crankshaft bearing cap (1) and crankshaft fitted bearing cap (2)   AR03.20-P-4360-01MM 
20 Insert and tighten screw/bolts for crankshaft bearing caps (1) and for crankshaft fitted bearing cap (2)   AR03.20-P-4351-02MM
    IMPORTANT Observe tightening procedure! Screw/bolts must be replaced.  
    TORQUE SPECIFICATION Bolt for crankshaft bearing cap *BA03.20-P-1001-01D 
    TORQUE SPECIFICATION Side crankshaft bearing cap bolt *BA03.20-P-1002-01D 
    TORQUE SPECIFICATION Bolt, crankshaft bearing cap *BA03.20-P-1003-01D 
21 Turn crankshaft (6) and check for unobstructed movement    
22 Determine crankshaft bearing axial play   AR03.20-P-4291-03MM
    Main bearing play *BE03.20-P-1001-04E 
    SPECIAL TOOL Dial indicator holder Figure
    SPECIAL TOOL Dial gage Figure
23 Check connecting rod bolts   AR03.10-P-6111-01MM
    Connecting rod bolts *BE03.10-P-1001-03A 
24 Mount connecting rod bearing   AR03.10-P-6111-06MM
25 Tighten connecting rod bolts   AR03.10-P-6111-02MM
    Connecting rod bolt *BA03.10-P-1001-01E 
26 Turn crankshaft (6) and check for unobstructed movement    
27 Slide timing chain drive gear (3) onto crankshaft (6) IMPORTANT Ensure correct seating of the fitted spring.  
28 Install timing chain for primary chain drive MODEL 172 with ENGINE 276 AR05.10-P-7612W
    MODEL 204, 207 with ENGINE 276 AR05.10-P-7612FH
    MODEL 212, 218 with ENGINE 276 AR05.10-P-7612EL
29 Install timing case cover MODEL 172 with ENGINE 276 AR01.40-P-8000W
    MODEL 204, 207 with ENGINE 276.9 AR01.40-P-8000FH
    ENGINE 276.8 in MODEL 207, 212, 218 AR01.40-P-8000ELS
    MODEL 212, 218 with ENGINE 276.9 AR01.40-P-8000EL
30 Install new front crankshaft radial shaft sealing ring   AR03.20-P-3000-01MM
    SPECIAL TOOL Sleeve Figure
31 Install new rear crankshaft radial shaft sealing ring   AR03.20-P-3063-01MMA
    Loctite 7200 *BR00.45-Z-1038-04A 
    Assembly cleaner *BR00.45-Z-1028-04A 
    Loctite 5970 sealant *BR00.45-Z-1013-01A 
    TORQUE SPECIFICATION Bolt, rear end cover to crankcase *BA01.40-P-1002-01K 
    TORQUE SPECIFICATION Screw/bolt, oil pan to crankcase/timing case cover/rear end cover *BA01.45-P-1001-01E 
    SPECIAL TOOL Insertion tool Figure
32 Install oil pump MODEL 172 with ENGINE 276 AR18.10-P-6020W
    MODEL 204, 207 with ENGINE 276 AR18.10-P-6020FH
    MODEL 212, 218 with ENGINE 276 AR18.10-P-6020EL
33 Install oil pan MODEL 172 with ENGINE 276 AR01.45-P-7500W
    MODEL 204, 207 with ENGINE 276.9 AR01.45-P-7500FHA
    ENGINE 276.8 in MODEL 207, 212, 218 AR01.45-P-7500ELS
    MODEL 212 (except 212.095/195), 218 with ENGINE 276.9 AR01.45-P-7500EL
    MODEL 212.095/195 with ENGINE 276 AR01.45-P-7500EHV
34 Detach engine from assembly stand    
35 Attach transmission with torque converter ENGINE 276 in MODEL 172, 204, 207, 212, 218  
    TRANSMISSION 722.9 in MODEL 172 with ENGINE 276 AR27.10-P-0500W
    TRANSMISSION 722.96 in MODEL 204.0/9 with ENGINE 276
TRANSMISSION 722.96 in MODEL 207.3, 212, 218 with ENGINE 276		 AR27.10-P-0500CWX
    TRANSMISSION 722.9 (except 722.96) in MODEL 204, 207 with ENGINE 276 AR27.10-P-0500CV
    TRANSMISSION 722.9 (except 722.96) in MODEL 212 with ENGINE 276
TRANSMISSION 722.9 (except 722.96) in MODEL 218 with ENGINE 276		 AR27.10-P-0500EV
36.1 Install engine with front axle carrier Engine 276 in model 204, 207, 212 with code M005 (4MATIC)  
    ENGINE 276.9 in MODEL 204.08/98, 207.38 AR01.10-P-2500FH
    ENGINE 276.8 in MODEL 212.067/099/167/168/267/299 AR01.10-P-2500ELS
    ENGINE 276.9 in MODEL 212.08/28 AR01.10-P-2500ELB
36.2 Install engine with transmission Engine 276 in model 172, 204, 207, 212, 218 except code M005 (4MATIC)  
    ENGINE 276 in MODEL 172 AR01.10-P-2401W
    ENGINE 276.9 in MODEL 204.05/25/95
ENGINE 276.9 in MODEL 207 (except 207.38)		 AR01.10-P-2401FH
    ENGINE 276.8 in MODEL 207 AR01.10-P-2401FT
    ENGINE 276.8 in MODEL 212.061/065/165/261/265 AR01.10-P-2401ELS
    ENGINE 276.9 in MODEL 212 (except 212.067/080/088/095/195/267/280/288) ENGINE 276.9 in MODEL 218 (except 218.367/368/967/968) AR01.10-P-2401EL
    ENGINE 276.9 in MODEL 212.095/195 AR01.10-P-2401EHV
TEST SPECIFICATIONS FOR CONNECTING ROD BOLTS

Number Designation ENGINE 276
BE03.10-P-1001-03A Connecting rod bolts Thread Ø M 8X1
Shank length New mm 42, 5
Max. mm 43, 3
CHECK VALUES FOR CRANKSHAFT BEARING CLEARANCE

Number Designation ENGINE 276
BE03.20-P-1001-04E Main bearing play Radial measurement when new mm 0, 022...0, 046
Axial measurement when new mm 0, 140...0, 280
CYLINDER CRANKCASE, TIMING CASE COVER, END COVER

Number Designation ENGINE 276
BA01.40-P-1002-01K Bolt, rear end cover to crankcase Nm 9
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
CONNECTING ROD

Number Designation ENGINE 276
BA03.10-P-1001-01E Connecting rod bolt Stage 1 Nm 5
Stage 2 Nm 25
Stage 3 ∠° 90
CRANKSHAFT BEARING CAP

Number Designation ENGINE 276
BA03.20-P-1001-01D Bolt for crankshaft bearing cap M8 Stage 1 Nm 20
Stage 2 ∠° 90
CRANKSHAFT BEARING CAP

Number Designation ENGINE 276
BA03.20-P-1002-01D Side crankshaft bearing cap bolt M8 Stage 1 Nm 20
Stage 2 ∠° 90
CRANKSHAFT BEARING CAP

Number Designation ENGINE 276
BA03.20-P-1003-01D Bolt, crankshaft bearing cap M10 Stage 1 Nm 5
Stage 2 Nm 30
Stage 3 ∠° 90
Fig 2: Identifying Dial Indicator Holder (363 589 02 21 00)
G09974140Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Insertion Tool (273 589 00 43 00)
G09974141Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Dial Gauge (001 589 32 21 00)
G09974142Courtesy of MERCEDES-BENZ USA
Fig 5: Identifying Sleeve (119 589 01 14 00)
G09974143Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1013-01A Loctite 5970 sealant A 003 989 98 20
BR00.45-Z-1028-04A Assembly cleaner Adolf Wurth GmbH & Co. KG
BR00.45-Z-1038-04A Loctite 7200 Henkel Loctite Deutschland GmbH
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