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Remove/install right cylinder head - AR01.30-P-5780EL

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ENGINE 276.9 in MODEL 212, 218 

Shown: model 218 

Fig 1: Right Cylinder Head Remove/Install Components - Shown On Model 218 (1 Of 4)
G09973856Courtesy of MERCEDES-BENZ USA
Fig 2: Right Cylinder Head Remove/Install Components - Shown On Model 218 (2 Of 4)
G09973857Courtesy of MERCEDES-BENZ USA
Fig 3: Right Cylinder Head Remove/Install Components - Shown On Model 218 (3 Of 4)
G09973858Courtesy of MERCEDES-BENZ USA
Fig 4: Right Cylinder Head Remove/Install Components - Shown On Model 218 (4 Of 4)
G09973859DANGERNOTESIMPORTANTREMOVINGINSTALLINGINSTALLATION IMPORTANTNOTESINSTALLATION IMPORTANTTORQUE SPECIFICATIONINSTALLATION IMPORTANTSPECIAL TOOLSPECIAL TOOLIMPORTANTNOTESINSTALLATION IMPORTANTTORQUE SPECIFICATIONTORQUE SPECIFICATIONIMPORTANTREFER TO COMPONENT MODIFICATIONSINSTALLATION IMPORTANTINSTALLATION IMPORTANTSPECIAL TOOLCLEANINGNOTESREFER TO MAINTENANCEINSPECTDANGERCourtesy of MERCEDES-BENZ USA
DANGER Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof. No parts of the body or limbs should be within the operating area when the components are moving. AS00.00-Z-0011-01A
NOTES Note on the -voltage on-board electrical system   AH54.00-P-0010-01A
IMPORTANT General information on work on gasoline direct injection system   AH07.00-P-2000-01A
REMOVINGINSTALLING Remove/install     
1 Perform enable for the high voltage on-board electrical system MODEL 212.095/195 AR54.10-P-1150EH
2 Remove bulkhead (78) MODEL 212.095/195
INSTALLATION IMPORTANT Pay attention to correct seating of bulkhead (78).
AR61.25-P-6600EW
3 Remove cylinder head cover   AR01.20-P-5012EEL
4.1 Remove exhaust manifold with CAT ENGINE 276.9 with CODE 920 (Gasoline direct injection with stratified charge) AR14.10-P-4095EL
4.2 Remove exhaust manifold ENGINE 276.9 except CODE 920 (Gasoline direct injection with stratified charge) AR14.10-P-3006EHV
5 Drain coolant   AR20.00-P-1142EL
NOTES Notes on coolant   AH20.00-N-2080-01A
6 Remove coolant thermostat   AR20.10-P-2460EL
7 Remove coolant pipe (6) INSTALLATION IMPORTANT Install new coolant pipe (6).  
8 Remove EGR line to exhaust gas recirculation valve TORQUE SPECIFICATION Clamp on EGR line and exhaust gas recirculation valve *BA14.20-P-1002-01M 
9 Remove chain tensioner   AR05.10-P-7800EL
10 Pull sliding rail bolts (5) out of cylinder head (1) INSTALLATION IMPORTANT Apply sealant to slide rail pins (5) before inserting them.  
SPECIAL TOOL Threaded bolt Fig 6
SPECIAL TOOL Impact extractor Fig 7
11 Remove camshafts (1A, 1E)   AR05.20-P-6992EL
    IMPORTANT The camshafts (1A, 1E) and camshaft positioner must be removed together.  
12 Loosen cylinder head bolts (1) in stages in reverse order of tightening procedure and remove them   AR01.30-P-5800-01MMA 
NOTES The cylinder head bolts (1s) must only be loosened for a cooled engine.
The cylinder head on the left (1r) can be deformed by tensions otherwise.
INSTALLATION IMPORTANT Replace cylinder head bolts (1s).
 
TORQUE SPECIFICATION Bolt, cylinder head to crankcase *BA01.30-P-1001-01W 
TORQUE SPECIFICATION Bolt, cylinder head to timing case cover *BA01.30-P-1002-01W 
13 Remove cylinder head (1r) from cylinder crankcase (2)    
IMPORTANT Notes on sealant path for cylinder crankcase   AH01.40-P-1000-08MM
REFER TO COMPONENT MODIFICATIONS Cylinder head changed   BT01.30-P-0004-01MM
    INSTALLATION IMPORTANT Apply sealant to cylinder crankcase (2).
INSTALLATION IMPORTANT Fit new cylinder head gasket onto the crankcase (2). Pay attention to pilot bushing for fixing the cylinder head (1r).
 
    SPECIAL TOOL Application gun Fig 5
14 Install check valve for chain tensioner on cylinder head (1r) When replacing the cylinder head (1r). AR01.30-P-5810EL 
CLEANING Clean     
15 Clean sealing surfaces at cylinder head (1r) and at crankcase (2)   AR01.00-P-0050-01A
NOTES Do not use any sharp-edged tools or abrasive paper.
The sealing surfaces can get damaged otherwise.
 
Loctite 7200 *BR00.45-Z-1038-04A 
Loctite 7063 cleaning spray (150 ml) *BR00.45-Z-1046-04A 
16 Blow out threaded holes for cylinder head bolts (1s) in crankcase (2) with compressed air, and clean off the engine oil and the coolant    
17 Check sealing surfaces on cylinder head (1r) and crankcase (2) for cracks and unevenness The cylinder head (1r) and crankcase (2) must not be reworked (surface grinding).
The cylinder head (1r) or the cylinder crankcase (2) may be destroyed otherwise due to exceeding the machining tolerances.
 
18 Install in the reverse order    
19 Change engine oil and oil filter element    
REFER TO MAINTENANCE     AP18.00-P-0101CWZ
INSPECT Check     
20 Check basic position of the camshafts (1A, 1E)   AR05.20-P-6020EL
21 Check engine cooling system for leaktightness   AR20.00-P-1010EL
DANGER 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
22 Carry out an engine test run and check engine and fuel system for leaktightness    
CYLINDER HEAD

Number Designation ENGINE 276
BA01.30-P-1001-01W Bolt, cylinder head to M11 crankcase Stage 1 Nm 20
Stage 2 Nm 40
Stage 3 ∠° 90
Stage 4 ∠° 90
CYLINDER HEAD

Number Designation ENGINE 276
BA01.30-P-1002-01W Bolt, cylinder head to timing case cover M7 Nm 14
EXHAUST GAS RECIRCULATION

Number Designation ENGINE 276.9
BA14.20-P-1002-01M Clamp on EGR line and exhaust gas recirculation valve Nm 9
Fig 5: Identifying Application Gun (112 589 00 25 00)
G09973860Courtesy of MERCEDES-BENZ USA
Fig 6: Identifying Threaded Bolt (116 589 01 34 00)
G09973861Courtesy of MERCEDES-BENZ USA
Fig 7: Identifying Impact Extractor (116 589 20 33 00)
G09973862Courtesy of MERCEDES-BENZ USA
REPAIR MATERIALS

Number Designation Order number
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