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Home >> Mercedes Benz >> 2003 >> SL55 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbo Charging - 230 Chassis >> Testing & Repair >> Remove, install resonance intake manifold - AR09.20-P-1961RMG (SL63 AMG) >> Notes

Remove, install resonance intake manifold - AR09.20-P-1961RMG (SL63 AMG): Notes

ENGINE 156 in MODEL 230.470 

Fig 1: Identifying Resonance Intake Manifold Components
G04958440Courtesy of MERCEDES-BENZ USA
REMOVINGINSTALLING Remove/install    
DANGER Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel and risk of injury  to eyes and skin caused by contact with fuel No fire, sparks, open flames or smoking.
Only pour fuels into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
DANGER Risk of injury  caused by fingers being pinched or crushed  when removing, installing or aligning hoods, doors, trunk lids, tailgates or sliding roof. Keep body parts and limbs well clear of moving parts. AS00.00-Z-0011-01A
NOTES Notes on avoiding damage through contamination and foreign objects   AH00.00-P-5000-01A 
1 Switch off ignition    
2 Remove engine intake air duct and front engine cover Do not tilt front engine cover, but lift upwards vertically otherwise the retaining lugs can break off.  
3 Remove air filter housing   AR09.10-P-1150RMG 
4 Release fuel pressure with pressure hose via service valve SPECIAL TOOL AR07.03-P-1460-01RMG
Fig 3
5 Detach fuel line from fuel distributor (4) IMPORTANTInstallation:  Install new sealing rings.
TORQUE SPECIFICATION
*BA07.03-P-1001-01C 
6 Disconnect electrical connectors (2) at front intake manifold (1)    
7 Detach vacuum line (3)    
8 Detach brake booster vacuum line at connection (11)    
9 Remove foam plastic cover from fuel distributor (4)    
10 Disconnect electrical connectors at fuel injection valves IMPORTANT Place wiring harness to side.  
11 Remove bolt (6) and purge line (5) from intake manifold (1) TORQUE SPECIFICATION *BA07.03-P-1002-01C 
12 Detach vacuum hose (9) from intake manifold (1) or from vacuum unit (13)    
13 Remove vacuum line (10).    
14 Disconnect electrical connector (12)    
15 Unscrew bolts (8) and move intake manifold (1) upward to remove IMPORTANT Close off intake ports, taking care not to damage the fuel injection valves.
IMPORTANTInstallation:  Clean sealing surfaces; replace gasket and bolts.
Installation:  Observe tightening pattern for fastening the intake manifold.
 
Fig 2
    TORQUE SPECIFICATION *BA09.20-P-1002-01R 
16 Install in the reverse order    
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 Carry out engine test run and check intake manifold (1) for leaks 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
17 Carry out engine test run and check intake manifold (1) for leaks    
INJECTION NOZZLES, INJECTION VALVES, LINES

Number Designation Engine 156
BA07.03-P-1001-01C Union nut, fuel feed line to fuel distributor Nm 20
BA07.03-P-1002-01C Bolt connecting fuel distributor to resonance intake manifold Nm 9
INTAKE MANIFOLD

Number Designation Engine 156
BA09.20-P-1002-01R Bolt, intake manifold to cylinder head Stage 1 Nm 10
Stage 2 ∠° 90
Stage 3 ∠° 10
Fig 2: Identifying Tightening Sequence Of Intake Manifold Bolts
G00534074Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 3: Identifying Pressure Hose (119 589 04 63 00)
G07740857Courtesy of MERCEDES-BENZ USA