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Home >> Mercedes Benz >> 2000 >> C43 >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Air Intake, Turbo Charging -- 202 Chassis >> Testing & Repair >> Removing and installing intake manifold - AR09.20-P-1310GA

Removing and installing intake manifold - AR09.20-P-1310GA

ENGINE 111.921 /942 /945 /946 /970 /974 /977 

Fig 1: Identifying Intake Manifold Remove/Install Components (Engine 111.921 /942 /945 /946 /970 /974 /977)
G04715088
REMOVINGINSTALLING Removing, installing    
1 Disconnect ground lead from battery   AR54.10-P-0003A
2 Remove air cleaner cross pipe    
DANGER Risk of explosion  from ignition, risk of poisoning  from inhaling and swallowing fuel, as well as risk of injury from skin and eye contact with fuel. No fire, sparks, naked flames or smoking. Pour fuels only into suitable and appropriately marked containers.
Wear protective clothing when handling fuel.
AS47.00-Z-0001-01A
3 Remove fuel rail together with injectors   AR07.03-P-1450D
4 Disconnect all vacuum lines and electric cables IMPORTANTInstallation:  Connect vacuum lines as shown in connection diagram  
    Engine 111.942/970 up to 05/96 AR09.20-P-1310-01GA
    Engine 111.942/970 as of 06/96
Engine 111.921/945/974 as of 09/96
Engine 111.977 as of 04/98
Engine 111.946
AR09.20-P-1310-01GB 
5 Unclip fixture of engine wiring harness    
6 Unplug sockets of crankshaft position sensor and knock sensor    
7 Disconnect circuit 50 at starter    
8 Remove idle speed control (ISC) actuator   AR30.22-P-1152D
9 Detach throttle control from intake manifold Unscrew bolts (32/13) for this step and unclip throttle control at cable recess  
10 Slacken bolts (19/1) and nuts (19/2) and take out intake manifold (19) TORQUE SPECIFICATION *BA09.20-P-1001-01B 
    IMPORTANTInstallation:  Inspect gasket (19/3), replace if necessary  
11 Install in the reverse order    
12 Check idle speed, set See Diagnosis Manual Engine, Volume 1/Index B  
13 Check throttle control, set IMPORTANT Without plastic bearing bracket AR30.10-P-1010G
    IMPORTANT With plastic bearing bracket and manual transmission AR30.10-P-1010GA
    IMPORTANT With plastic bearing bracket and automatic transmission AR30.10-P-1010GB
TORQUE SPECIFICATION INTAKE MANIFOLD

Number Designation Engine 111
BA09.20-P-1001-01B Bolts and nuts of intake manifold to cylinder head Nm 20