Remove/Install Front Engine Mount - AR22.10-P-4330MLJ

Engine 157, 278 in model 166, 292 

MODIFICATION NOTES

14.01.2016	Remove right air duct of the engine bearing cooling, added.	Operation step 12
14.01.2016	Remove right engine mount to the front, added.	Operation step 13

Shown on model 166 

Fig 1: Front Engine Mount Components Location - Engine 157, 278 In Model 166

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	Notes on bolted connections with self tapping screws		AH00.00-P-0007-01SF
	Remove/install
1	Remove upper engine cover
2	Remove engine air intake duct upstream of air filter housing
3	Mount engine hoist and raise engine slightly	Engine 157, 278 in model 166 Engine 157, 278 in model 292 Only raise engine sufficiently that the engine mount (5) is not under tension.	AR33.10-P-0105EW
4	Remove lower engine compartment paneling		AR61.30-P-1001GQ
5	Remove left and right catalytic converter		AR49.10-P-5500MLJ
		Oxygen sensors remain in CATs.
6	Remove integral carrier heat shield
7	Remove heat shields (6) from engine mounts (5)
8	Remove screw/bolts (2) for engine mount (5) on engine support (8)	Bolt, front engine mount to engine support	*BA22.10-P-1002-03G
9	Remove screw/bolts (4) for engine mount (5) on front axle carrier (3)	Bolt, front engine mount to front axle carrier	*BA22.10-P-1001-03G
10	Raise engine further	Ensure that the engine does not make contact with the firewall. The cable or lines or components will be damaged otherwise.
11	Pull the left engine mount (5) to the rear and out	The engine mount (5) must sit in the cutout of the engine support (8). Always replace engine mount (5) in pairs. Pay attention to environmental protection regulations for disposal of engine mounts (5). Dispose of engine mounts (5) into mixed scrap.
12	Remove screw/bolt (9) and right air duct (10) of the engine bearing cooling	If installed.
13	Remove right engine mount (5) to the front	The engine mount (5) must sit in the cutout of the engine support (8). Always replace engine mount (5) in pairs. Pay attention to environmental protection regulations for disposal of engine mounts (5). Dispose of engine mounts (5) into mixed scrap.
14	Install in the reverse order

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		Model 166 with engine 157	Model 166 with engine 278
BA22.10-P-1001-03G	Bolt, front engine mount to front axle carrier	Nm	53	53

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation		Model 292 with engine 157	Model 292 with engine 278
BA22.10-P-1001-03G	Bolt, front engine mount to front axle carrier	Nm	53	53

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			Model 166 with engine 157	Model 166 with engine 278
BA22.10-P-1002-03G	Bolt, front engine mount to engine support	Stage 1	Nm	85	85
		Stage 2	∠°	90	90

ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number	Designation			Model 292 with engine 157	Model 292 with engine 278
BA22.10-P-1002-03G	Bolt, front engine mount to engine support	Stage 1	Nm	85	85
		Stage 2	∠°	90	90