Renault Scenic 3 Chassis. Manual — part 29
37A
-
7
MECHANICAL COMPONENT CONTROLS
Brake servo non-return valve
F4R or K4J or K4M
37A
REMOVAL
Remove the engine covers.
Loosen the air duct clips (1).
Remove the air duct (2).
Disconnect the vacuum tube at the brake servo end
(3).
Pull and turn the non-return valve to release it from
the rubber sealing washer.
Disconnect the vacuum tube at the inlet manifold end
(4).
REFITTING
Check the condition of the sealing washer and the
non-return valve.
Replace any faulty parts.
Proceed in the reverse order to removal.
104172
1
2
104171
Note:
Do not damage the vacuum tube on the air distri-
butor. If it is damaged, the air distributor will have
to be replaced.
3
4
37A
-
8
MECHANICAL COMPONENT CONTROLS
Brake servo non-return valve
F9Q
37A
REMOVAL
Remove the engine covers.
Loosen the air duct clips (1).
Remove the air duct (2).
Disconnect the vacuum pipe at the brake servo end
(3).
Pull and turn the non-return valve to extract it from
the rubber sealing washer.
Disconnect the vacuum pipe at the vacuum pump
end (4).
REFITTING
Check the condition of the rubber sealing washer
and the non-return valve.
Replace any faulty parts.
Proceed in the reverse order to removal.
104089
104088
1
2
3
4
37A
-
9
MECHANICAL COMPONENT CONTROLS
Brake servo non-return valve
K9K
37A
REMOVAL
Remove the engine covers.
Disconnect the vacuum pipe at the brake servo end
(1).
Pull and turn the non-return valve to extract it from
the rubber sealing washer.
Disconnect the vacuum pipe at the vacuum pump
end (2).
REFITTING
Check the condition of the rubber sealing washer
and the non-return valve.
Replace any faulty parts.
Proceed in the reverse order to removal.
104397
2
1
37A
-
10
MECHANICAL COMPONENT CONTROLS
Vacuum pump
K9K
37A
REMOVAL
Remove the engine covers.
Remove:
- the hose connected to the brake servo,
- the vacuum pump mounting bolts (1),
- the vacuum pump.
REFITTING
Proceed in the reverse order to removal.
Torque tighten the vacuum pump mounting bolts
(2.1 daNm).
Tightening torques
m
vacuum pump mounting
bolts
2.1 daNm
103565
1
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