Remove/install intake manifold - AR09.20-P-1310MCU

ENGINES 132.910 in MODEL 451.3/4 

Fig 1: Identifying Intake Manifold Remove/Install Components

Courtesy of MERCEDES-BENZ USA

	Remove/install
	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. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1	Remove interior flap above engine		AR88.40-P-1100-03MCC
2	Disconnect ground line of battery		AR54.10-P-0003MCC
3	Lower rear drive module		AR01.00-P-3050MCU
4	Lower vehicle with vehicle lift
5	Detach charge current line (2) on intake manifold (1)
6	Detach engine wiring harness (3) on intake manifold (1)		AR15.18-P-1000-01MCV
7	Unclip and interrupt separation point (arrow) for the line coming out of the mount on the intake manifold (1) from the tank vent valve (Y58/1)
8	Detach clamp (4) and remove fuel line (5) from fuel distributor (7) Then unclip fuel line (6) from mounts on intake manifold (1)	Seal fuel line (5) and fuel distributor (7) using suitable stop plugs. : Replace clamp (4).
9	Detach brake booster vacuum line (8) from intake manifold (1)
10	Detach vacuum hose (9) from intake manifold (1)
11	Remove bolts (10) and intake manifold (1) from cylinder head (11)	Ensure that the spacer sleeves in the intake manifold (1) do not fall into the cylinder head (11) otherwise this can lead to engine damage. : Replace profiled rubber seals between the intake manifold (1) and the cylinder head (11.	*BA09.20-P-1001-01J
12	Remove throttle flap actuator (M16/6) from intake manifold (1)	When replacing the intake pipe (1).	AR07.61-P-1401MCU
13	Remove intake manifold pressure sensor (B28) from intake manifold (1)	When replacing the intake pipe (1).	AR07.04-P-0100MCU
14	Remove fuel distributor (7) from intake manifold (1)	When replacing the intake pipe (1).	AR07.03-P-1450MCU
15	Install in the reverse order
	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	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
16	Conduct engine test run and check for leaktightness in the area of the intake manifold (1) and fuel distributor (7)

INTAKE MANIFOLD, INTAKE MANIFOLD PREHEATER

Number	Designation			Engine 132.910
BA09.20-P-1001-01J	Bolt, intake manifold to cylinder head	Initial torque	Nm	20
		Retightening torque	Nm	20