Remove/install coolant lines - AR20.20-P-7440MUB

MODEL 217 with ENGINE 279 

MODEL 222 with ENGINE 277, 279 

MODEL 463 with ENGINE 279 

Fig 1: Coolant Lines Remove/Install Components (1 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 2: Coolant Lines Remove/Install Components (2 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 3: Coolant Lines Remove/Install Components (3 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 4: Coolant Lines Remove/Install Components (4 Of 5)

Courtesy of MERCEDES-BENZ USA

Fig 5: Coolant Lines Remove/Install Components (5 Of 5)

Courtesy of MERCEDES-BENZ USA

	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
	Remove/install
1.1	Remove engine with front axle carrier	Model 217 with engine 279 Model 222 with engine 277, 279
			AR01.10-P-2500MUB
1.2	Remove engine with transmissions	Model 463 with engine 279
		Model 463 with engine 279	AR01.10-P-2401MUD
2	Remove engine from front axle carrier	Model 217 with engine 279 Model 222 with engine 277, 279	AR01.10-P-2510MUB
3	Mount engine onto assembly stand
4	Remove charge air pipe (1) on the left or right		AR09.41-P-1311MUB
5	Remove screw/bolts (2)
6	Remove heat shield (3) on the left or right
7	Remove screw/bolts (5) and press coolant pipe (6) to the side	Screw/bolt, coolant pipe to cylinder head cover/cylinder head/heat shield	*BA20.10-P-1009-01H
8	Remove heat shield (4) over ATL
9	Disconnect electrical connection (7)
10	Remove heat shield at starter	Model 463 with engine 279	AR15.30-P-7100MUD
		Model 217 with engine 279 Model 222 with engine 277, 279	AR15.30-P-7100MUB
11	Unfasten subharness (8) and place to one side
12	Remove coolant hose (9)
13	Remove screw/bolts (10, 11)	Bolt, coolant line to bottom half of crankcase	*BA09.40-P-1007-01V
		Bolt, oil feed and coolant line pipe to turbocharger	*BA09.40-P-1004-01V
14	Remove coolant line at top left (12)	Install new sealing rings.
15	Remove screw/bolts (13, 14)	Bolt, coolant line to bottom half of crankcase	*BA09.40-P-1007-01V
		Bolt, oil feed and coolant line pipe to turbocharger	*BA09.40-P-1004-01V
16	Remove coolant line at top right (15)	Install new sealing rings.
17	Remove engine support on the left or right	Model 463 with engine 279	AR22.10-P-4320MUD
		Model 217 with engine 279 Model 222 with engine 277, 279	AR22.10-P-1200MUB
18	Remove screw/bolt (16)
19	Unscrew nut (17)
20	Remove cover (18)
21	Remove screw/bolts (19, 20, 21)	Bolt, oil feed and coolant line pipe to turbocharger	*BA09.40-P-1004-01V
		Banjo bolt, coolant return line to crankcase	*BA09.40-P-1006-01V
		Bolt, oil return line and coolant return line to exhaust gas turbocharger	*BA09.40-P-1002-01V
22	Remove coolant line on the bottom left (22)	Install new sealing rings.
23	Remove screw/bolts (23, 24)	Bolt, oil return line and coolant return line to exhaust gas turbocharger	*BA09.40-P-1002-01V
		Banjo bolt, coolant return line to crankcase	*BA09.40-P-1006-01V
24	Remove coolant line on the bottom right (25)	Install new sealing rings.
25	Install in the reverse order