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Home >> Mercedes Benz >> 2013 >> GLK350 Base >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> Exhaust Manifolds, Emission Control - 204 Chassis >> Testing & Repair >> Remove/install exhaust gas recirculation positioner - AR14.20-P-1020FH

Remove/install exhaust gas recirculation positioner - AR14.20-P-1020FH

ENGINE 276.9 in MODEL 204, 207 

MODIFICATION NOTES

21.6.11 Drain off coolant, pour in and check cooling system for leaktightness, added Operation step 2, 14  

Illustration shows model 204.057 

Fig 1: Identifying Exhaust Gas Recirculation Positioner Remove/Install Components - Shows Model 204.057
G09990110Courtesy of MERCEDES-BENZ USA

Illustration shows model 204.057 

Fig 2: Identifying Exhaust Gas Recirculation Positioner Remove/Install Components - Shows Model 204.057
G09990111Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install     
1 Remove resonance intake manifold with intermediate flange   AR09.20-P-1961FH
2 Drain coolant   AR20.00-P-1142FH
NOTES Notes on coolant AH20.00-N-2080-01A
3 Remove crash plate (10) TORQUE SPECIFICATION Bolt, shield to high-pressure pump drive housing *BA07.02-P-1003-01C 
TORQUE SPECIFICATION Bolt, shield to cylinder head/cylinder head cover *BA07.02-P-1004-01C 
4 Remove insulation (11)    
5 Unclip electrical lines (3) for knock sensors on bracket (2) and disconnect electrical connections (4)    
6 Remove locking plate (5) on electrical connections (6)    
7 Disconnect electrical connections (6) on EGR actuator motors (M16/45)    
8 Detach engine wiring harness (8) on bracket (2)    
9 Remove clamps (7) for high-pressure line on bracket (2) TORQUE SPECIFICATION Bolt, fuel line clamps *BA07.03-P-1005-01D 
TORQUE SPECIFICATION Bolt, additional bracket for high-pressure line to high pressure pump drive housing *BA07.03-P-1006-01D 
10 Remove bracket (2) TORQUE SPECIFICATION Bolt, adapter to cylinder head *BA01.30-P-1008-01W 
11 Remove screw/bolts (12) for EGR actuator motors (M16/45) TORQUE SPECIFICATION Bolt, exhaust gas recirculation valve to crankcase *BA14.20-P-1001-01M 
SPECIAL TOOL Screwdriver bit Fig 3
12 Remove EGR actuator motors (M16/45) INSTALLATION IMPORTANT Replace sealing ring (13), seal (14) and metal seal (15).  
13 Install in the reverse order    
INSPECT Check     
14 Check cooling system for leaktightness   AR20.00-P-1010FH
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
15 Carry out an engine test run and check exhaust system in the area of the EGR for leaktightness
CYLINDER HEAD

Number Designation ENGINE 276
BA01.30-P-1008-01W Bolt, adapter to cylinder head Nm 20
HIGH PRESSURE PUMP

Number Designation ENGINE 276
BA07.02-P-1003-01C Bolt, shield to high-pressure pump drive housing Nm 14
HIGH PRESSURE PUMP

Number Designation ENGINE 276
BA07.02-P-1004-01C Bolt, shield to cylinder head/cylinder head cover Nm 9
INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation ENGINE 276
BA07.03-P-1005-01D Bolt, fuel line clamps Nm 9
INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation ENGINE 276
BA07.03-P-1006-01D Bolt, additional bracket for high-pressure line to high pressure pump drive housing Nm 9
EXHAUST GAS RECIRCULATION

Number Designation ENGINE 276.9
BA14.20-P-1001-01M Bolt, exhaust gas recirculation valve to crankcase Nm 9
Fig 3: Identifying Screwdriver Bit (126 589 00 10 00)
G09990112Courtesy of MERCEDES-BENZ USA