Nissan Primera P11. Instruction — part 33
NBR434
BRAKE HYDRAULIC LINE
BR-9
Removal
CAUTION:
●
Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
painted areas, wash it away with water immediately.
●
All hoses and tubes must be free from excessive
bending, twisting and pulling.
●
For rear disc caliper, care should be taken as not to let
air enter the body.
1. Connect a vinyl tube to air bleeder valve.
2. Drain brake fluid from each air bleeder valve by depressing
brake pedal.
3. Remove flare nut securing brake tube to hose, then withdraw
lock spring.
4. Cover openings to prevent entrance of dirt whenever discon-
necting hydraulic line.
Inspection
Check brake lines (tubes and hoses) for cracks, deterioration or
other damage. Replace any damaged parts.
Installation
CAUTION:
●
Refill with new brake fluid “DOT 4”.
●
Never reuse drained brake fluid.
1. Tighten all flare nuts and connecting bolts.
Flare nut:
: 15 - 18 N·m (1.5 - 1.8 kg-m, 11 - 13 ft-lb)
Connecting bolt:
: 17 - 20 N·m (1.7 - 2.0 kg-m, 12 - 14 ft-lb)
2. Refill until new brake fluid comes out of each air bleeder
valve.
3. Bleed air. Refer to “Bleeding Brake System”, BR-8.
SBR419C
SBR686C
Commercial service tool
BRAKE HYDRAULIC LINE
BR-10
Dual Proportioning Valve
INSPECTION
CAUTION:
●
Carefully monitor brake fluid level at master cylinder.
●
Use new brake fluid “DOT 4”.
●
Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
paint areas, wash it away with water immediately.
●
Depress pedal slowly when raising front brake pressure.
●
Check rear brake pressure at least 2 seconds after front
brake pressure reaches specified value.
1. Connect brake fluid pressure gauge to air bleeders of front
and rear brakes on either LH or RH side.
2. Bleed air from the tool.
3. Check fluid pressure by depressing brake pedal.
Unit: kPa (bar, kg/cm
2
, psi)
Applied pressure (Front brake)
5.39
(53.9, 55, 781.6)
Output pressure (Rear brake)
3.132 - 3.532
(31.32 - 35.32,
31.94 - 36.02,
454.3 - 512.3)
If output pressure is out of specifications, replace dual pro-
portioning valve.
4. Bleed air after disconnecting the Tool. Refer to “Bleeding
Brake System”, BR-8.
REMOVAL
CAUTION:
●
Be careful not to splash brake fluid on painted areas; it
may cause paint damage. If brake fluid is splashed on
painted areas, wash it away with water immediately.
●
All tubes must be free from excessive bending, twisting
and pulling.
1. Connect a vinyl tube to air bleeder valve.
2. Drain brake fluid from each air bleeder valve by depressing
brake pedal.
3. Loosen flare nut.
4. Remove proportioning valve mounting bolt, then remove flare
nut.
SBR822BA
Brake fluid pressure
gauge
SBR823BA
Brake fluid pressure gauge
NBR145
CONTROL VALVE
BR-11
INSTALLATION
CAUTION:
●
Refill with new brake fluid “DOT 4”.
●
Never reuse drained brake fluid.
1. Temporarily fit flare nut to proportioning valve.
2. Tighten proportioning valve mounting bolt, then tighten flare
nut with wooden block placed between proportioning valve
and dash panel.
Flare nut:
: 15 - 18 N·m (1.5 - 1.8 kg-m, 11 - 13 ft-lb)
Mounting bolt:
: 5.1 - 8.8 N·m (0.52 - 0.9 kg-m, 45 - 78 in-lb)
3. Refill until new brake fluid comes out of each air bleeder
valve.
4. Bleed air. Refer to “Bleeding Brake System”, BR-8.
CONTROL VALVE
Dual Proportioning Valve (Cont’d)
BR-12
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