Page 809 of 2305

edge of the diaphragm is secured to the housing. The
booster push rod, which connects the booster to the
brake pedal and master cylinder, is attached to the
center of the diaphragm. A check valve is used in the
booster outlet connected to the engine intake mani-
fold. Power assist is generated by utilizing a combi-
nation of vacuum and atmospheric pressure to boost
brake assist.
REMOVAL
(1) Using a suction gun remove as much brake
fluid from the reservoir as possible.
(2) Disconnect the brake level switch electrical
connector.
(3) Remove the brake lines from the master cylin-
derSeal off the ends and bore holes with plugs.
(4) Remove the master cylinder from the booster.
(5) Remove the booster vacuum hose and check
valve (Fig. 23).
(6) Remove the pedal push rod clip (Fig. 23).
(7) Remove the booster mounting nuts (Fig. 23).
(8) Remove the booster from the vehicle.
INSTALLATION
(1) Install the brake booster to the vehicle.
(2) Install the booster mounting nuts (Fig. 23).
Tighten to 25 N´m (221 in.lbs.).
(3) Install the push rod pin & clip (Fig. 23).
(4) Install the brake booster vacuum line and
check valve (Fig. 23).
(5) Install the master cylinder to the brake
booster. Tighten to 28 N´m (248 in.lbs.).
(6) Install the brake lines to the master cylinder.
Tighten to 14 N´m (124 in.lbs.).
(7) Install the brake level switch electrical connec-
tor.(8) Bleed the base brake system (Refer to 5 -
BRAKES - STANDARD PROCEDURE).
ROTORS
REMOVAL
REMOVAL - FRONT (SRW)
(1) Raise and support the vehicle.
(2) Remove the front wheels.
(3) Remove the front brake pads (Fig. 24).
(4) Remove the caliper adapter (Fig. 24).
(5) Install two lug studs to secure the disc brake
rotor when the locking bolt is removed.
(6) Remove the locking bolt for the disc brake rotor
(Fig. 24).
(7) Remove the two lug nuts.
(8) Remove the disc brake rotor (Fig. 24).
REMOVAL - REAR (SRW)
(1) Raise and support the vehicle.
(2) Remove the rear wheels.
(3) Remove the rear disc brake pads (Fig. 25).
(4) Remove the disc brake caliper adapter (Fig.
25).
(5) Apply the parking brake.
(6) Install two lug studs to secure the disc brake
rotor when the locking bolt is removed.
(7) Remove the locking bolt for the disc brake rotor
(Fig. 25).
(8) Remove the two lug nuts.
(9) Release the parking brake.
Fig. 23 POWER BRAKE BOOSTER
1 - VACUUM LINE & CHECK VALVE
2 - BRAKE BOOSTER
3 - GASKET
4 - MOUNTING NUTS (4)
5 - PUSH ROD PIN
6 - SECURING CLIP
Fig. 24 FRONT DISC BRAKE ROTOR
1 - CALIPER ADAPTER BOLT
2 - CALIPER ADAPTER
3 - GUIDE BOLT
4 - WEAR INDICATOR
5 - DISC BRAKE CALIPER
6 - DISC BRAKE PADS
7 - LOCKING BOLT
8 - DISC BRAKE ROTOR
5 - 20 BRAKES - BASEVA
Page 810 of 2305

(10) loosen the park brake adjuster to allow clear-
ance for the rotor removal (Fig. 25).
(11) Remove the rear disc brake rotor.
REMOVAL - FRONT (DRW)
(1) Raise and support the vehicle.
(2) Remove the front wheels.
(3) Remove the front brake pads (Fig. 26).
(4) Remove the caliper adapter (Fig. 26).
(5) Remove the wheel flange ring (Fig. 26).
(6) Install two lug studs to secure the disc brake
rotor when the locking bolt is removed.
(7) Remove the locking bolt for the disc brake rotor
(Fig. 26).
(8) Remove the two lug nuts.
(9) Remove the disc brake rotor (Fig. 26).
REMOVAL - REAR (DRW)
(1) Raise and support the vehicle.
(2) Remove the rear wheels.
(3) Remove the rear disc brake pads (Fig. 27).
(4) Remove the disc brake caliper adapter (Fig.
27).
(5) Apply the parking brake.
(6) Install two lug studs to secure the disc brake
rotor when the locking bolt is removed.
(7) Remove the wheel flange ring (Fig. 27).
(8) Remove the locking bolt for the disc brake rotor
(Fig. 27).
(9) Remove the two lug nuts.
(10) Release the parking brake.
(11) loosen the park brake adjuster to allow clear-
ance for the rotor removal (Fig. 27).
(12) Remove the rear disc brake rotor.
Fig. 25 REAR DISC BRAKE ROTOR
1-M8BOLT
2 - CALIPER ADAPTER
3 - DISC BRAKE ROTOR
4 - LOCKING BOLT
5 - DISC BRAKE PADS
6 - RATTLE SPRING
7 - DISC BRAKE CALIPER
8 - GUIDE BOLT
9 - COVER
10 - WEAR INDICATOR
Fig. 26 FRONT DISC BRAKE ROTOR WITH DUAL
REAR WHEELS
1 - ADAPTER BOLT
2 - ADAPTER
3 - GUIDE PIN/BOLT
4 - WEAR INDICATOR WIRE
5 - DISC BRAKE CALIPER
6 - DISC BRAKE PADS
7 - WHEEL FLANGE RING MOUNTING BOLT
8 - WHEEL FLANGE RING
9 - LOCKING BOLT
10 - DISC BRAKE ROTOR
VABRAKES - BASE 5 - 21
Page 811 of 2305

INSTALLATION
INSTALLATION - FRONT (SRW)
(1) Install the disc brake rotor to the hub and
install two lug studs to hold rotor in place.
(2) Install the locking bolt for the rotor (Fig. 24).
Tighten to 23 N´m (204 in. lbs.).
(3) Install the disc brake caliper adapter (Fig. 24).
Tighten to 170 N´m (125 ft. lbs.) (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - INSTALLATION).
(4) Install the brake pads (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES
- INSTALLATION) (Fig. 24).
(5) Press and release the brake pedal several times
until pressure has built up.
(6) Check fluid in reservoir and correct if neces-
sary.
(7) Install the front wheels (Refer to 22 - TIRES/
WHEELS/WHEELS - INSTALLATION).
(8) Lower the vehicle.
INSTALLATION - REAR (SRW)
(1) Install the disc brake rotor to the hub and
install two lug studs to hold rotor in place (Fig. 25).
(2) Apply the parking brake.
(3) Install the locking bolt for the rotor (Fig. 25).
Tighten to 23 N´m (204 in. lbs.).
(4) Install the disc brake caliper adapter (Fig. 25).
Tighten to 90 N´m (66 ft. lbs.) (Refer to 5 - BRAKES/HYDRAULIC/MECHANICAL/DISC BRAKE CALI-
PER ADAPTER - INSTALLATION).
(5) Install the brake pads (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES
- INSTALLATION) (Fig. 25).
(6) Release the parking brake.
(7) Adjust the parking brake (Refer to 5 -
BRAKES/PARKING BRAKE/SHOES - ADJUST-
MENTS).
(8) Press and release the brake pedal several times
until pressure has built up.
(9) Check fluid in reservoir and correct if neces-
sary.
(10) Install the rear wheels.
(11) Lower the vehicle.
INSTALLATION - FRONT (DRW)
(1) Install the disc brake rotor to the hub and
install two lug studs to hold rotor in place.
(2) Install the locking bolt for the rotor (Fig. 26).
Tighten to 23 N´m (204 in. lbs.).
(3) Install the disc brake caliper adapter (Fig. 26).
Tighten to 170 N´m (125 ft. lbs.) (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - INSTALLATION).
(4) Install the wheel flange ring. Tighten to 180
N´m (133 ft. lbs.)
(5) Install the brake pads (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES
- INSTALLATION) (Fig. 26).
(6) Press and release the brake pedal several times
until pressure has built up.
(7) Check fluid in reservoir and correct if neces-
sary.
(8) Install the front wheels (Refer to 22 - TIRES/
WHEELS/WHEELS - INSTALLATION).
(9) Lower the vehicle.
INSTALLATION - REAR (DRW)
(1) Install the disc brake rotor to the hub and
install two lug studs to hold rotor in place (Fig. 27).
(2) Apply the parking brake.
(3) Install the locking bolt for the rotor (Fig. 27).
Tighten to 23 N´m (204 in. lbs.).
(4) Install the disc brake caliper adapter (Fig. 27).
Tighten to 170 N´m (125 ft. lbs.) (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - INSTALLATION).
(5) Install the wheel flange ring (Fig. 27) Tighten
to 200 N´m (148 ft. lbs.).
(6) Install the brake pads (Refer to 5 - BRAKES/
HYDRAULIC/MECHANICAL/BRAKE PADS/SHOES
- INSTALLATION) (Fig. 27).
(7) Release the parking brake.
(8) Adjust the parking brake (Refer to 5 -
BRAKES/PARKING BRAKE/SHOES - ADJUST-
MENTS).
Fig. 27 REAR DISC BRAKE ROTOR WITH DUAL
REAR WHEELS
1 - ADAPTER BOLT
2 - ADAPTER
3 - GUIDE PIN/BOLT
4 - WEAR INDICATOR
5 - DISC BRAKE CALIPER
6 - RETAINING SPRING
7 - DISC BRAKE PADS
8 - WHEEL FLANGE RING MOUNITNG BOLT
9 - WHEEL FLANGE RING
10 - DISC BRAKE ROTOR
5 - 22 BRAKES - BASEVA
Page 812 of 2305

(9) Press and release the brake pedal several times
until pressure has built up.
(10) Check fluid in reservoir and correct if neces-
sary.
(11) Install the rear wheels.
(12) Lower the vehicle.
SUPPORT PLATE
REMOVAL - REAR
(1) Raise and support the vehicle.
(2) Remove the disc brake caliper adapter (Refer to
5 - BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - REMOVAL).
(3) Remove the disc brake rotor (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/ROTORS -
REMOVAL).
(4) Remove the rear park brake shoes (Refer to 5 -
BRAKES/PARKING BRAKE/SHOES - REMOVAL).
(5) Remove the park brake cable from he support
plate.
(6) Remove the rear axle bearing (Refer to 3 - DIF-
FERENTIAL & DRIVELINE/REAR AXLE/AXLE
BEARINGS - REMOVAL).(7) Remove brake support plate.
INSTALLATION - REAR
(1) Press the brake support plate with the axle
bearing onto the axle shaft (Refer to 3 - DIFFEREN-
TIAL & DRIVELINE/REAR AXLE/AXLE BEARINGS
- INSTALLATION).
(2) Install the park brake cable to the support
plate.
(3) Install the rear park brake shoes (Refer to 5 -
BRAKES/PARKING BRAKE/SHOES - INSTALLA-
TION).
(4) Install the disc brake rotor (Refer to 5 -
BRAKES/HYDRAULIC/MECHANICAL/ROTORS -
INSTALLATION).
(5) Install the disc brake caliper adapter (Refer to
5 - BRAKES/HYDRAULIC/MECHANICAL/DISC
BRAKE CALIPER ADAPTER - INSTALLATION).
(6) Adjust the rear park brake shoes (Refer to 5 -
BRAKES/PARKING BRAKE/SHOES - ADJUST-
MENTS).
(7) Install the rear wheels (Refer to 22 - TIRES/
WHEELS/WHEELS - INSTALLATION).
PARKING BRAKE
SPECIFICATIONS
TORQUE CHART
TORQUE SPECIFICATIONS
DESCRIPTION N´m Ft. Lbs. In. Lbs.
Pressure Transformer Unit
For Brake Cables To
Frame Crossmember25 Ð 221
Hand Brake Lever To
Seat Frame25 Ð 221
VABRAKES - BASE 5 - 23
Page 813 of 2305

SPECIAL TOOLS
PARK BRAKE
SPECIAL TOOL CROSS REFERENCE CHART
MB
TOOL #MILLER
TOOL #DESCRIPTION
116 589
01 62 009280 RETURN SPRING PULL-
ING HOOK
112 589
09 61 009281 RETAINING SPRING
TOOL
901 589
00 63 009289 RETAINING CLIP RE-
LEASE TOOL
CABLE TENSIONER
REMOVAL
NOTE: Observe the installation position of the
brake control cable lock, for a reference on instal-
lation.
(1) Open the brake control cable lock (Fig. 28).
(2) Press out the safety bolt and remove the brake
control cable lock (Fig. 28).
INSTALLATION
(1) Push the brake control cable lock onto the
brake cable (Fig. 28).
(2) Insert the safety bolt and snap shut the brake
control cable lock.Observe the installation posi-
tion of the brake control cable lock (Fig. 28).
CABLES
REMOVAL
REMOVAL - FRONT
(1) Raise and support the vehicle.
(2) Disconnect the front park brake cable from the
pulley unit.
(3) Remove the front park brake cable from the
hand brake lever (Fig. 29).
RETAINING CLIP RELEASE TOOL - 9289
RETAINING SPRING TOOL - 9281
RETURN SPRING PULLING HOOK - 9280
Fig. 28 CONTROL CABLE LOCK
1 - BRAKE CABLE CONTROL LOCK OPEN
2 - BRAKE CABLE CONTROL LOCK CLOSED
3 - BRAKE CONTROL CABLE LOCK
4 - SAFETY BOLT
5 - INSTALLATION POSITION OF BRAKE CONTROL CABLE
LOCK
5 - 24 BRAKES - BASEVA
Page 814 of 2305

(4) Unclip the guides at the frame cross members
for the front cable at the vehicle (Fig. 30).
(5) Pull off the locking clips at the floor opening
and pull the front brake cable down and out (Fig.
30).
(6) Press together the locking ring and pull out the
front brake cable to the front (Fig. 30).
(7) Remove the front park brake cable at the vehi-
cle using special tool 9289.
REMOVAL - REAR
(1) Raise and support the vehicle.
(2) Remove the rear tires.
(3) Remove the park brake shoes.
(4) Remove the park brake cables from the shoe
(Fig. 31).(5) Remove all the connections on the hand brake
cable (Fig. 31).
(6) Remove the park brake cable lock (Fig. 31).
Observe the installed position of the brake
cable lock for reference on installation.
(7) Remove the hand brake cable from the anchor
plate (Fig. 31).
(8) Remove the park brake cable from the vehicle.
Compress the locking ring on the pulley unit.
INSTALLATION
INSTALLATION - FRONT
(1) Install the front park brake cable to the vehi-
cle.
(2) Clip the cable guides at the frame cross mem-
bers (Fig. 32).
(3) Install the front park brake cable to the hand
brake lever (Fig. 29).
(4) Reconnect the front park brake cable to the
pulley unit (Fig. 32).
(5) Adjust the parking park.
(6) Lower the vehicle.
Fig. 29 FRONT PARK BRAKE CABLE AT LEVER
1 - LOCKING CLIP
2 - LOCKING PIN
3 - CABLE STRAP
Fig. 30 REMOVING FRONT PARK BRAKE CABLE AT
THE VEHICLE
1 - UNCLIP CABLE GUIDES
2 - LOCKING CLIP
3 - LOCKING RING PRESSED TOGETHER
Fig. 31 REAR PARK BRAKE CABLE REMOVE /
INSTALL
1 - PARK BRAKE ADJUSTER
2 - PARK BRAKE CABLE MOUNTING
VABRAKES - BASE 5 - 25
Page 815 of 2305

INSTALLATION - REAR
NOTE: Route the park brake cable free of tension
and the risk of chafing.
(1) Install the hand brake cable to the anchor
plate (Fig. 31).
(2) Install the park brake cable lock (Fig. 31).
(3) Install all connections on the hardware cable
(Fig. 31).
(4) Install the park brake cables to the shoe (Fig.
31).
(5) Install the park brake shoes.
(6) Install the rear wheels.
(7) Adjust the park brakes.
(8) Lower the vehicle.
ADJUSTMENTS
ADJUSTMENT - PARKING BRAKE CABLES
(1) Loosen the bolts of the mounting brackets (Fig.
33).
(2) Insert a drill bit or an allen wrench with a 6
mm diameter between the mounting bracket and
front lever (Fig. 33).
(3) Push the mounting bracket back until the front
brake cable is free of play and without tension (Fig.
33).
(4) Tighten the bolts to the mounting bracket
Tighten to 25 N´m (221 in. lbs.) (Fig. 33).
(5) Remove the 6 mm diameter drill bit or allen
wrench (Fig. 33).
(6) Tighten the hand brake lever one notch (Fig.
33).(7) Clamp the eccentric clockwise until the wheels/
disc brake rotors can still be turned with the force of
the hand (Fig. 34).
(8) Tighten the clamp bolt (Fig. 34).
(9) Release the hand brake lever.
(10) Check the wheel for free movement.
LEVER
REMOVAL
(1) Disconnect the front brake cable from the pul-
ley unit.
(2) Remove the front brake cable from the hand
brake lever (Fig. 29).
(3) Remove the circle cover (Fig. 35).
Fig. 32 FRONT PARK BRAKE CABLE
1 - RETAINING CLIP
2 - LOCKING PIN
3 - FRONT PARK BRAKE CABLE
4 - RETAINING CLIP
5 - PARK BRAKE CABLE ADJUSTER
Fig. 33 PARK BRAKE ADJUSTER
1 - LOOSEN MOUNTING BOLTS
2-6mmALLEN WRENCH
3 - MOUNTING BOLTS TIGHTENED
4 - FREEPLAY WITH NO TENSION
Fig. 34 PARK BRAKE ADJUSTMENT
1 - ECCENTRIC CLOCKWISE
2 - CLAMP SCREW TIGHTENED
5 - 26 BRAKES - BASEVA
Page 816 of 2305

(4) Remove the bolts on the hand brake lever (Fig.
35).
(5) Pull the cover off the hand brake lever (Fig.
35).
(6) Disconnect the hand brake check switch and
wiring harness from the hand brake lever (Fig. 35).
(7) Remove the hand brake lever (Fig. 35).
INSTALLATION
(1) Install the hand brake lever (Fig. 35).
(2) Reconnect the hand brake check switch and the
wiring harness to the hand brake lever (Fig. 35).
(3) Install the cover to the hand brake lever (Fig.
35).
(4) Install the bolts on the hand brake lever.
Tighten to 25 N´m (221 in. lbs.) (Fig. 35).
(5) Install the circle cover (Fig. 35).
(6) Install the front brake cable to the hand brake
lever.
(7) Connect the front brake cable to the pulley unit
(Fig. 35).
SHOES
REMOVAL
REMOVAL - (SRW)
(1) Raise and support the vehicle.
(2) Remove the rear wheels.
(3) Remove the disc brake rotor.(4) Disconnect the front park brake cable from the
pulley unit.Do not remove the rear park brake
cables.
(5) Remove the retracting springs using special
tool 9280 (Fig. 36).
(6) Remove the adjuster (Fig. 36).
(7) Remove the pressure springs using special tool
9281 (Fig. 36).
(8) Remove the rear park brake shoes (Fig. 36).
Pull the park brake shoes apart at the bottom
and remove them together with the adjuster.
REMOVAL - (DRW)
(1) Raise and support the vehicle.
(2) Remove the rear wheels.
(3) Remove the wheel flange ring.
(4) Remove the disc brake rotor.
(5) Disconnect the front park brake cable from the
pulley unit.Do not remove the rear park brake
cables.
(6) Remove the retracting springs (Fig. 37).
(7) Remove the adjuster (Fig. 37).
(8) Remove the pressure springs (Fig. 37). by
depressing with your fingers and twisting.
(9) Remove the rear park brake shoes (Fig. 37).
Pull the park brake shoes apart at the bottom
and remove them together with the adjuster.
Fig. 35 HAND BRAKE LEVER
1 - LOCKING PIN
2 - COVER
3 - HAND BRAKE LEVER
4 - HAND BRAKE CHECK SWITCH
5 - WIRING HARNESS
6 - BOLT
7 - HAND BRAKE CABLE
8 - BOLT
9 - RETAINING CLIP
10 - CIRCLE COVER
Fig. 36 PARK BRAKE SHOES
1 - PARK BRAKE SHOES
2 - PRESSURE SPRING
3 - RETRACTING SPRING (SHORT HOOK EYE)
4 - RETRACTING SPRING (LONG HOOK EYE)
5 - CABLE LOCK
6 - ADJUSTER
VABRAKES - BASE 5 - 27