Remove/install rear cover on cylinder head · ar0130p5702fg · Mercedes-Benz WIS

AR01.30-P-5702FG

Remove/install rear cover on cylinder head

29.1.09

ENGINES 639.939 in MODEL 454.0

P01.30-2251-09

1 High-pressure pump

2 Air intake hose

3 Bracket

4 Bolts

9 Screw

10 Bracket

11 Bolts

12 Sealing ring

5 Water drain

6 Coolant hose

7 Clip

8 Rear cover

 	Remove/install
1	Drain coolant		AR20.00-P-1142FG
2	Remove cylinder head cover		AR01.20-P-5014FG
3	Remove air filter housing		AR09.10-P-1150FG
4	Remove high-pressure pump (1)		AR07.02-P-1020FF
5	Unscrew bolts (4) of bracket (3)
6	Expose water drain (5) upward
7	Remove air intake hose (2) with bracket (3)
8	Loosen clamp (7) and remove coolant hose (6)
9	Unscrew bolt (9) on bracket (10) from rear cover (8)
10	Unscrew bolts (11) from rear cover (8)		*BA01.30-P-1008-01R
11	Loosen rear cover (8) from guides in cylinder head and remove	 Installation: Install new sealing ring (12). Clean sealing surfaces on rear cover (8) and cylinder head and coat with sealant.
		Sealing compound	*BR00.45-Z-1053-01A
12	Install in the reverse order
13	Inspecting cooling system for leaks		AR20.00-P-1010FG
 Danger!	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
14	Conduct engine test run and check cylinder head in the area of the rear cover (8) for leaks
15	Check engine oil level by means of oil dipstick	 Engine oil level must lie between the markings 'Min' and 'Max'; otherwise, engine damage may occur.

 Cylinder head

Number	Designation		Engine 639.939


BA01.30-P-1008-01R	Bolt for rear cover on cylinder head	Nm	12

Repair materials

Number	Designation	Order number
BR00.45-Z-1053-01A	Sealing compound	Q0000282V000000000

ar0120p5014fg Remove, install cylinder head cover
ar0702p1020ff Remove/install high-pressure pump
ar0910p1150fg Removing/installing the air filter housing
ar2000p1010fg Inspect cooling system for leaks
ar2000p1142fg Draining/filling with coolant
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.