Volkswagen Workshop Service and Repair Manuals

Notes:

• ◆ Heat taper roller bearing inner race to 100 °C before pressing on.
• ◆ Heat adjusting ring for taper roller bearing to 100 °C before pressing in taper roller bearing outer race.

• Differential housing with riveted gear for final drive
• ◆ Final drive gear is riveted onto differential housing and then machined
• ◆ If the differential or final drive gear is damaged, replace the differential housing together with the riveted final drive gear
• ◆ Number of teeth on final drive gear =>from Page 00-3

• Output shaft/drive flange
• ◆ Removing and installing
  
• Taper roller bearing inner race
• ◆ Pulling off => Fig.1
• ◆ Pressing on => Fig.2
• Taper roller bearing outer race
• ◆ Remove and install only when adjusting ring heated
• ◆ Drive out with a drift
• ◆ Pressing in => Fig.4
• Bearing body for taper roller bearing
• ◆ Removing and installing => Removing and installing differential, Page 39-23
• O-ring
• ◆ Always replace
• O-ring
• ◆ Always replace

• Adjusting ring for taper roller bearing
• ◆ Removing and installing => Removing and installing differential, Page 39-23
• Output shaft/drive flange
• ◆ Removing and installing => Removing and installing differential, Page 39-23
• Taper roller bearing outer race
• ◆ Remove and install only when adjusting ring heated
• ◆ Drive out with a drift
• ◆ Pressing in => Fig.4
• Taper roller bearing inner race
• ◆ Pulling off => Fig.1
• ◆ Pressing on => Fig.2
• Driver bush
• ◆ Drive off together with speedometer drive gear -item 13-
• ◆ Drive on with drift

• Speedometer drive gear
• ◆ Drive out with a drift
• ◆ Fit on together with driver bush -item12-
• One-piece thrust washer
• ◆ Place into differential housing before inserting bevel gears
• Small bevel gears
• ◆ Inserting => Fig.3
• Large bevel gears
• ◆ Inserting => Fig.3
• Circlip

• Shaft for bevel gears
• ◆ Drive out with a drift
• ◆ When driving in, do not damage one-piece thrust washer
• Spring pin
• ◆ For securing shaft for bevel gears
• ◆ Removing and installing spring pin with circumferential groove
  => Fig. 5

→ Fig.1    Pulling off taper roller bearing inner race

• ‒ Place press piece 30-555 on differential housing.

→ Fig.2    Pressing on taper roller bearing inner race

→ Fig.3    Inserting differential bevel gears

• ‒ Insert one-piece thrust washer with gear oil.
• ‒ Insert small bevel gears, drive in shaft and secure with spring pin.
• ‒ Insert large bevel gears offset 180° and swivel in in direction of arrow.

→ Fig.4    Pressing in taper roller bearing outer race

• ‒ With adjusting ring or bearing body heated, insert outer race and press home as far as the stop.

→ Fig.5    Removing and installing spring pin with circumferential groove

• ◆ Length of spring pin 28.5 mm

Removing

• ‒ Pull out spring pin with side cutting pliers.

Installing

• ‒ Drive in spring pin as far as the stop.