70
BRAKES
PRESSURE REDUCING VALVE (PRV)
Service repair no - 70.25.21
Remove
SERVO NON RETURN VALVE
Service repair no - 70.50.15
Remove
1.
2.
3.
Disconnect battery.
Clean area around reducing valve ports.
Place a container under valve to catch escaping
brake fluid.
1.
2.
Disconnect brake vacuum hose from servo non
return valve.
Carefully prise valve out with a screwdriver blade
between valve and grommet. Take care not to
exert too much pressure on the vacuum
chamber.
Remove rubber grommet but be careful not to
allow it to fall into the vacuum chamber.
Check the valve for correct operation; it should
not be possible to pass air through into the servo
in direction of arrow. Do not use compressed air.
4.
5.
Disconnect primary circuit pipe unions æAæ
from valve.
Disconnect secondary circuit pipe unions æBæ
from valve.
Cover pipes to prevent ingress of dirt.
Remove single retaining nut and bolt securing
valve to engine bulkhead.
6.
7.
3.
4.
8.
Refit
9.
Remove valve.
Fit valve to engine bulkhead. Tighten bolt to 15
Nm (11 lbf/ft).
Refit
10.
11.
Connect primary and secondary circuit pipes to
valve. Tighten to 16 Nm (12 lbf/ft).
Fill brake reservoir with recommended brake
fluid See LUBRICANTS, FLUIDS AND
CAPACITIES, Information, Recommended
lubricants and fluids .
Bleed the brake system See Brake system
bleed .
Reconnect battery and road test vehicle.
5.
6.
Fit rubber grommet.
Smear ribs of the valve with Lucas Girling rubber
grease to assist assembly, and push valve fully
home.
Connect vacuum hose to the valve.
Road test vehicle.
7.
8.
12.
13.
4
REPAIR
| Categories | Land Rover, Land Rover Defender |
|---|---|
| Tags | Land Rover |
| Model Year | 1996 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | Defender 300 Tdi |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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