BMW 3 (E46). Manual — part 49
Set screws have left hand thread.
Tighten counterclockwise.
Tightening torque
Hydraulic piston to splined shaft
M6 set screw
10 Nm (89 in-lb)
Replace sealing caps inside VANOS
unit with BMW special tool 11 6 170, or
short flat nosed pliers.
Insert and secure VANOS sealing
plugs (arrows) with new sealing
O-rings.
Tightening torque
Sealing plug to
VANOS unit
50 Nm (37 ft-lb)
Install coolant pipe fasteners at base of
cylinder head and tighten fasteners
(arrows).
Note:
Use new sealing O-ring on coolant pipe.
-
Install VANOS oil line banjo bolt
with new seals. Attach oil line to
VANOS unit.
Tightening torque
Tightening torque
Oil line to VANOS
unit (banjo bolt)
32 Nm (24 ft-lb)
-
Remove BMW special tool 11 4
220 and reinstall chain tensioner
cylinder.
Tightening torque
Primary chain
tensioner cylinder
to cylinder head
70 Nm (52 ft-lb)
-
Remove flywheel locking tool from
transmission bellhousing. Replace
special tool bore sealing plug.
-
Remove camshaft locking tools
from cylinder head.
Cylinder head cover,
manifolds, cooling system,
installing
Install intake camshaft cover and
cylinder head cover.
Check for correct seating of
half-moon seals (A) in back of
cylinder head cover.
Use a small amount of
3-Bond®1209 or equivalent
sealant at corners (B) of
half-moon cutouts.
Seat gasket and seal corners in
front of cylinder head at VANOS
unit.
Tightening torque
Cylinder head
cover to cylinder
head (M6)
10 Nm (89 in-lb)
-
Install exhaust manifolds using
new gaskets and nuts. Coat
manifold studs with copper paste
prior to installing nuts.
Tightening torque
Exhaust manifold
to cylinder head
(M7)
20 Nm (15 ft-lb)
-
Install electrical harness
connectors for oil pressure sender
and coolant temperature sensor
before installing intake manifold.
Intake manifold Installation is reverse of
removal.
1 - Manifold mounting nuts -tighten to
15 Nm (11 ft-lb)
2 - Fuel pipe bracket
3 - Fuel pipe bracket
4 - Vacuum pump bracket
5 - Manifold mounting bracket
6 - Tank venting valve bracket
7 - Mounting bracket to manifold bolt
(M6) -tighten to 10 Nm (7 ft-lb)
8 - Mounting bracket to cylinder block
nut (M10) -tighten to 47 Nm (33
ft-lb)
Use new fuel injector seals.
Carefully check intake manifold
gasket and replace if necessary.
Inspect O-ring seal between mass
air flow sensor and air filter
housing. To facilitate reassembly,
coat seal with acid-free grease.
CAUTION!
When reattaching throttle assembly
harness connector, connector is fully
tightened when arrows on connector
and plug line up.
Tightening torques
Intake manifold to cylinder head
M7
15 Nm (11 ft-lb)
M8
22 Nm (16 ft-lb)
Mounting bracket
to cylinder block
(M10)
47 Nm (33 ft-lb)
Mounting bracket
to intake manifold
(M6)
10 Nm (7 ft-lb)
-
Installation of remaining parts is
reverse of removal, noting the
following:
Refill cooling system as described
in
170 Radiator and Cooling
System
.
Change engine oil and filter as
described in
020 Maintenance
.
If necessary, adjust accelerator
cable.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст