Remove/install timing case cover - AR01.40-P-8000M

ENGINES 275 

Shown on engine 275.950 

Fig 1: Identifying Air Pump, ALT, Belt Pulley/Vibration Damper And Power Steering Pump

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Timing Case Cover, Crankshaft Radial Seal And Bolt

Courtesy of MERCEDES-BENZ USA

MODIFICATION NOTES

28.5.08

Clean sealing surfaces - added

Step 12

	Remove/install
1.1	Remove engine	Model 215, 220 except 220 with code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection Model 220 with code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection	AR01.10-P-2400MC
1.2	Remove engine with front axle carrier	Model 230 without code (P99) Special model "AMG Black Series"	AR01.10-P-2500RC
		Model 230 with code (P99) Special model "AMG Black Series"	AR01.10-P-2500RBS
		Model 216, 221	AR01.10-P-2500SZ
2	Mount engine onto assembly stand	Model 215, 220
3	Remove cylinder heads		AR01.30-P-5800M
4	Detach air pump (1)	Model 215, 220	AR14.30-P-7251L
		Model 230	AR14.30-P-7251R
		Model 216, 221	AR14.30-P-7251SZ
5	Remove poly-V belt tensioning device (2)	Model 215, 220	AR13.25-P-3200L
		Model 230	AR13.25-P-3200RR
		Model 216, 221	AR13.20-P-0001SZ
6	Remove alternator (G2)	Model 215, 220	AR15.40-P-5032LA
		Model 230 without code (P99) Special model "AMG Black Series"	AR15.40-P-5032RA
		Model 230 with code (P99) Special model "AMG Black Series"	AR15.40-P-5032RBS
		Model 216, 221 except 216.379, 221.179	AR15.40-P-5032SZ
		Model 216.379, 221.179	AR15.40-P-5032SXM
7	Remove belt pulley/vibration damper (3)		AR03.30-P-1600L
8	Detach power steering pump (5)	Model 215, 220 except 220 with code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection	AR46.30-P-0500M
		Model 220 with code (979) Special protection version, code (Z04) Light armoring or code (Z07) Highest protection
		Model 230 without code (P99) Special model "AMG Black Series"	AR46.30-P-0500RB
		Model 230 with code (P99) Special model "AMG Black Series"	AR46.30-P-0500RBS
		Model 216, 221 except 221 with code Z07 Top protection	AR46.30-P-0500SYA
		Model 221 with code Z07 Top protection	AR46.30-P-0500SX
9	Remove bolts (6) from timing case cover (7)	The timing case cover (7) can be removed with coolant pump fitted. The connecting bolts between timing case cover and coolant pump are not  removed in this process
		Installation:  Observe bolt chart for timing case cover
		For dismounted coolant pump: Bolt plan for timing case cover For mounted coolant pump:	AR01.40-P-8000-01L
		Bolt plan for timing case cover	AR01.40-P-8000-01LA
			*BA01.40-P-1001-01C
10	Remove timing case cover (7)	Installation:  In order to avoid plugging of oil ducts, ensure that no sealant enters the oil ducts.
		Installation:  Replace sealing rings of timing case cover and observe application of sealant: ↓ Notes on sealant path for timing case cover	AH01.40-P-1000-01C
			*112589002500
		Loctite 5970 sealant	*BR00.45-Z-1013-01A
		Installation:  In order to avoid leakage the front crankshaft radial sealing ring (8) must be replaced: ↓ Replace front crankshaft radial seal.	AR03.20-P-3000-01B
			*119589011400
	Checking
11	Check coolant pump (4)	Check coolant pump for wear and leaktightness, and, if necessary : ↓
		Replace coolant pump	AR20.10-P-1271MC
		See bolt plan for coolant pump.	AR20.10-P-1271-03L
			*BA20.10-P-1004-01C
	Clean
12	Clean sealing surfaces	Do not use any sharp-edged tools or abrasive paper as this will damage the sealing surfaces.	AR01.00-P-0050-01A
		Loctite 7200	*BR00.45-Z-1038-04A
		Loctite 7063 cleaning spray (150 ml)	*BR00.45-Z-1046-04A
13	Install in the reverse order

CYLINDER CRANKCASE, TIMING CASE COVER, END COVER

Number	Designation		Engine 275, 285
BA01.40-P-1001-01C	Timing case cover to crankcase	Nm	14

COOLANT PUMP, COOLANT THERMOSTAT

Number	Designation			Engines 137, 275
BA20.10-P-1004-01C	Coolant pump on timing case	M7	Nm	14

Fig 3: Identifying Squeeze Gun (112 589 00 25 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Sleeve (119 589 01 14 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1013-01A	Loctite 5970 sealant	A 003 989 98 20
BR00.45-Z-1038-04A	Loctite 7200
BR00.45-Z-1046-04A	Loctite 7063 cleaning spray (150 ml)	A 001 986 71 71 10