Mercedes-Benz: engine M272, M273. Manual - part 7
*BA15.18-P-1003-01B
17
Remove feed line duct (6) from cylinder head
*BA15.18-P-1002-01B
cover (10)
18
Detach front rubber mount (12) for air filter
*BA01.30-P-1011-01O
housing from cylinder head cover (10)
19
Remove heat shield (10a)
*BA01.30-P-1017-01O
20
Remove vacuum pump
Engine 272
AR43.05-P-1320ED
21
Loosen bolts for cylinder head cover (10) in
Engine 272
AR01.20-P-5014-03VA
reverse order of tightening procedure and
remove them
Engine 273
AR01.20-P-5014-03SX
*BA01.30-P-1004-01O
22
Pry off cylinder head cover (10) from
To avoid damaging sealing surfaces, do
cylinder head carefully
not pound in the prying tool between the
cylinder head cover (10) and the cylinder
head.
Installation:
Apply sealant to cylinder
head cover (10)
Notes on sealant path for cylinder head
Engine 272
AH01.30-P-1000-08V
cover
Engine 273
AH01.30-P-1000-08SX
*112589002500
Loctite sealant 5970
*BR00.45-Z-1013-01A
Clean
23
Clean sealing surfaces at cylinder head and
AR01.00-P-0050-01A
Do not use any sharp-edged tools or
at cylinder head cover (10)
abrasive paper as this will damage the
sealing surfaces.
Loctite 7200
*BR00.45-Z-1038-04A
Cleaning spray, Loctite 7063 (150ml)
*BR00.45-Z-1046-04A
24
Install in the reverse order
Checking
Risk of accident
Secure vehicle to prevent it from moving by
Danger!
caused by vehicle starting
AS00.00-Z-0005-01A
off by itself when engine is running. Risk of itself.
injury
Wear closed and snug-fitting work clothes.
caused by contusions and burns
during starting procedure or when working
Do not touch hot or rotating parts.
near the engine as it is running
25
Conduct engine test run and check engine
for leaks
Injectors, injection valves, lines
Number
Designation
Engine
Engine
272
273
BA07.03-P-1001-01B
Union nut, fuel line to fuel distributor
Nm
20
20
BA07.03-P-1004-01B
Protective cap on service valve
Plastic
Nm
2
-
Metal
Nm
15
-
Cylinder head
Number
Designation
Engine
Engine
272
273
Bolt, ground line to front cover
M6
Nm
9
9
BA01.30-P-1001-01O
Bolt, cylinder head cover to cylinder head
M7
Stage 1
Nm
12
12
BA01.30-P-1004-01O
Stage 2
°
90
90
Bolt, lifting eye to cylinder head
M8
Nm
20
20
BA01.30-P-1005-01O
Страница 2 из 3
© Daimler AG, 07.04.13, G/07/14, ar01.20-p-5013el, Remove/install left cylinder head cover
ENGINE 272, 273 (except 272.983) in MODEL 212