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Note:
The 6 balls of each joint belong to one tolerance
group. Check stub axle, hub, cage and balls for
indentations (pitting) and signs of seizure. Excessive
backlash in joint will be noticed as a knock during
load changes. In such cases the joint must be
replaced. Polished areas and ball track marks are not
a reason for changing the joint.
Installing - Swing segment of hub into rectangular cage
window.
- Tilt hub out of cage. - Press half of the total amount of grease Page 40-46 or Page 42-46 into the joint housing. - Install cage with hub in the joint housing. - Press in the balls one after the other from opposite sides whereby the original position of the hub to
cage and joint housing must be restored.
- Install new circlip in the hub. - Distribute the remaining grease in the boot. Page 61 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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Inner constant velocity joint, checking
The joint should be disassembled to replace dirty
grease and when checking the balls and ball
tracks for wear and damage. Note:
The ball hub and joint are paired and must not be
interchanged. - Swivel ball hub and ball cage. - Press out ball cage in direction of arrow. - Press balls out of cage. - Tilt ball hub out of ball cage over ball track
(arrows).
- Check joint housing, ball hub, ball cage and balls
for indentations (pitting) and signs of seizure. Page 62 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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- Swivel in ball hub, whereby the hub must be
swivelled out of the cage (arrows) far enough to
allow the balls to fit into the ball tracks. Checking operation of constant velocity joint:
The constant velocity joint is correctly assembled
when the ball hub can be moved by hand backward
and forward over its entire axial movement range. - Swivel in the hub with balls by applying firm
pressure on the cage (arrow). Page 64 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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Drive shaft with tripod
joint, repairing
1 - Outer constant velocity joint Replace complete Removing Fig. 1 Installing: Drive onto
the shaft with plastic
hammer until circlip
comes out Greasing Notes
Page 40-46 Checking Page 40-62 2 - Circlip Always replace Install in groove of
shaft
3 - Thrust ring
4 - Dished washer Larger diameter
(concave side)
contacts thrust ring Page 65 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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5 - Clamp Always replace Tightening, Fig. 2
and Fig. 3 6 - Boot for constant
velocity joint, 90 mm
dia. Check for cracks and
abrasion Before tightening the
small clamp, ventilate
boot briefly so
pressure is equalized,
Fig. 2 7 - Clamp Always replace Tightening, Fig. 2
and Fig. 4 8 - Drive shaft, left, with
inner tripod joint Repair of inner joint
and replacement of
boot not possible at
this time Replace if damaged Page 66 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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Drive axle with triple-rotor
joint, servicing
1 - Outer constant velocity (CV) joint Replace complete part
only Removing Fig. 1 Installing: drive onto
shaft with plastic
hammer until circlip
seats (springs into
groove) Greasing page 40-
12 2 - Circlip Always replace Insert in groove in
shaft
3 - Thrust ring
4 - Belleville spring Larger diameter
(concave side)
contacts with thrust
ring
5 - Clamp Always replace Tightening page 40-
7 6 - Boot Check for tears and
chafing
7 - Clamp
8 - Axle shaft Page 73 of 82Front Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.40.1
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9 - Mounting bracket with
retainer for brake
pressure regulator Installation position
Fig. 4 Check and if
necessary adjust rear
axle total toe after
installation If possible do not
loosen when removing
the rear axle
10 - Hex nut/washer, 35 Nm
(26 ft lb)
11 - Regulator spring
bracket
12 - Bonded rubber
mounting Note installation
position Fig. 7 Pressing out Fig. 5
and Fig. 6 Pressing in Fig. 8 Only replace as pair 13 - Axle beam Stub axle contact
surfaces and threaded
holes are to be free of
paint and dirt
14 - Parking brake cable
bracket Page 3 of 14Rear Wheel Suspension, Shafts and Axle12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.1
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1 - Circlip Always replace Remove and install
with VW161 a
2 - Inner constant velocity
joint, 81 mm diameter Only replace complete Pressing off Page 40-54 Pressing on Page 40-55 Greasing Notes
Page 42-46 Checking Page 40-62 3 - Dished washer Inner diameter splined Installation position:
outer diameter
(concave side)
contacts constant
velocity joint Page 2 of 7Rear drive shafts, servicing12/7/2004http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW.B4.SU01.42.4