Redrill broken glow plugs - AR15.20-P-4112OG

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ENGINES 642 in MODEL 164, 203, 204, 207, 209, 211, 212, 219, 221, 251

ENGINES 642 in MODEL 463

Shown on model 221

Fig 1: Glow Plugs - Shown On Model 221

Courtesy of MERCEDES-BENZ USA

	Remove/install
	Risk of injury to skin and eyes caused by handling hot or glowing objects.	Wear safety gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
1	Remove glow plugs (R9)	Model 164, 251	AR15.20-P-4111GZB
		Model 203, 209	AR15.20-P-4111PI
		Models 204, 207, 212	AR15.20-P-4111CO
		Model 211	AR15.20-P-4111TI
		MODEL 219.322	AR15.20-P-4111TQ
		Model 221	AR15.20-P-4111SXI
		MODEL 463	AR15.20-P-4111GY
	Notes for ceramic glow plugs	MODEL 463	AH15.20-P-0001-01A
2	Remove fuel injectors (Y76) on the respective cylinders of the broken off glow plugs (R9)	Model 164, 251	AR07.16-P-1000GZB
		Model 203, 209	AR07.16-P-1000PI
		Model 204	AR07.16-P-1000CO
		Models 207, 212, 221	AR07.16-P-1000SXI
		Model 211	AR07.16-P-1000TI
		MODEL 219.322	AR07.16-P-1000TQ
		MODEL 463	AR07.16-P-1000GY
3	Remove rail on the respective cylinder bank of the broken off glow plugs (R9)	Model 164, 251	AR07.03-P-1010GZB
		Model 203, 209	AR07.03-P-1010PI
		Model 204	AR07.03-P-1010CO
		Models 207, 212, 221	AR07.03-P-1010SXI
		Model 211	AR07.03-P-1010TI
		MODEL 219.322	AR07.03-P-1010TQ
		MODEL 463	AR07.03-P-1010GY
4	Bore out broken off glow plugs (R9)		AR15.20-P-4112-01OG
		Bolt connecting cylinder head cover to cylinder head	*BA01.20-P-1001-01P
		Glow plug to cylinder head	*BA15.20-P-1001-01F
		Glow plug repair kit, M8	Fig 2
5	Install in the reverse order

CRANKCASE VENTILATION, CYLINDER HEAD COVER

Number	Designation			Engine 642
BA01.20-P-1001-01P	Bolt, cylinder head cover to cylinder head	Stage 1, apply	Nm	4
		Stage 2, initial torque	Nm	6
		Stage 3, final torque	Nm	9

GLOW PLUG SYSTEM

Number	Designation			Engine 642
BA15.20-P-1001-01F	Glow plug on cylinder head	M8	Nm	11
BA15.20-P-1001-01F	Glow plug on cylinder head	M10	Nm	18

Fig 2: Identifying Glow Plug Repair Kit, M8 (642 589 00 99 00)

Courtesy of MERCEDES-BENZ USA