ECU AUDI A4 1998 B5 / 1.G 01A Transmission Drive Pinion And Hollow Shaft Assembly Workshop Manual

35-28


35 -
Synchronizer ring for reverse gear
Checking for wear Fig. 17
36 -
Spring
Insert in reverse gear Fig. 16Application of spring to gear Parts
catalog
37 -
Reverse gear
38 -
Circlip
IdentificationAllocation Fig. 15
, item -7-
39 -
Tapered roller bearing inner race1)
Pressing off Fig. 9Pressing on Fig. 10
40 -
Bushing
To secure small tapered roller bearing
outer race Pulling out Fig. 6Does not need to be installed after small
tapered roller bearing has been replaced
Pa
ge 10 of 25 Drive
pinion and hollow shaft, disassemblin
g and assemblin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.35.3

35-32


Fig. 5 Determining thickness of circlip
- Determine thickest circlip which can still just be installed and install it.
- Circlips for synchronizer hubs, needle bearings and individual gears
should be determined as for double tapered roller bearing shown.
Available circlips and part numbers Parts catalog

Fig. 6 Pulling out securing bushing for small tapered roller
bearing outer race
A - Puller 12-14.5 mm (0.472-0.570 in.), e.g. Kukko 21/1 puller
Pa
ge 14 of 25 Drive
pinion and hollow shaft, disassemblin
g and assemblin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.35.3

35-37


Fig. 15 Allocation of circlips
- Circlips for synchronizer hubs, needle bearings and individual gears
should be determined according to Fig. 5
.
Circlip
- 1- secures the 1st and 2nd gear synchronizer hub
Identification: color blueCirclip thickness (mm)
1.90 1.96 2.02
1.93 1.99 Circlip
- 2- secures the needle bearing/ 2nd gear
Thickness: 2.00 mm (0.078 in.). Identification: color blue
Circlip
- 3- secures the 3rd gearCirclip thickness (mm)
1.90 1.98 2.06
1.94 2.02
Pa
ge 19 of 25 Drive
pinion and hollow shaft, disassemblin
g and assemblin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.35.3

35-38

Circlip -4- secures the 4th gear.

Circlip thickness (mm)
1.86 1.94
1.90 1.98

Circlip -5- secures the needle bearing/ 5th gear
Thickness 2.00 mm (0.078 in.)
Identification: color brown
Circlip -6- secures the synchronizer hub for 5th and reverse gear
Identification: color blueCirclip thickness (mm)
1.90 1.96 2.02
1.93 1.99 2.05 Circlip -7- secures needle bearing for reverse gear
Thickness 2.50 mm (0.098 in.)
- Determine circlips according to table. Part number parts catalog
Pa
ge 20 of 25 Drive
pinion and hollow shaft, disassemblin
g and assemblin
g
11/20/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.TM02.35.3