Mercedes-Benz: engine M272, M273. Manual - part 4
8
Remove bolts (5) and place low-temperature Model 212.057
circuit shutoff valve (Y125) to one side with
lines connected
*BA01.30-P-1019-01O
9
Remove bolts (6a), loosen bolt (6b) and
Model 212.057
swivel holder to the side
*BA01.30-P-1018-01O
10
Disconnect electrical connectors on right
intake camshaft solenoid (Y49/5) and right
exhaust camshaft solenoid (Y49/7)
11
Disconnect electrical connectors on right
intake camshaft Hall sensor (B6/5) and right
exhaust camshaft Hall sensor (B6/7)
12
Remove bolts (4a, 7 pieces) from front cover
Installation:
Check seating of the seal
(4)
for the oil dipstick guide tube in the oil pan
to avoid oil leakage.
*BA01.30-P-1006-01O
*BA01.45-P-1006-01M
13
Carefully loosen front cover (4) on lifting lugs
Pay attention to fitted sleeves in area of
(4b) and detach from the front
outer threaded connections (arrows).
Installation: Apply sealant to front cover
(4).
Notes on sealant path for front cover to
AH01.30-P-1000-02V
cylinder head
*112589002500
Loctite sealant 5970
*BR00.45-Z-1013-01A
Clean
14
Clean sealing surfaces on front cover (4), on
AR01.00-P-0050-01A
Do not use any sharp-edged tools or
cylinder head cover and on cylinder head
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
15
Detach right intake camshaft Hall sensor
When replacing the front cover (4)
(B6/5) and right exhaust camshaft Hall
sensor (B6/7) from front cover (4)
*BA15.10-P-1002-03E
16
Detach right intake camshaft solenoid
When replacing the front cover (4)
(Y49/5) and right exhaust camshaft solenoid
(Y49/7) from front cover (4)
*BA15.10-P-1003-03E
17
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
18
Conduct engine test run and check engine
for leaks
Cylinder head
Number
Designation
Engine
Engine
272
273
Bolt, front cover to cylinder head
M6
Nm
9
9
BA01.30-P-1006-01O
Bolt, switchover valve bracket to cylinder head
M6
Nm
9
9
BA01.30-P-1009-01O
Bolt, NT circuit coolant line bracket to cylinder head
Nm
9
-
BA01.30-P-1018-01O
or cylinder head front cover
Bolt, shutoff valve bracket to cylinder head
Nm
9
-
BA01.30-P-1019-01O
Oil pan
Страница 2 из 3
© Daimler AG, 07.04.13, G/07/14, ar01.30-p-5700ewr, Remove/install front cover on cylinder head
ENGINES 272, 273 in MODEL 212 Front cover at right cylinder head