Replacing left oil seal for drive shaft and oil seal for left flange shaft — AUDI

The following special tools and testing devices are required:

Extractor lever VW 681
Thrust piece 3305
Thrust piece 3323
Drip tray V.A.G 1306

Note:

Under the left flange shaft on the gearbox housing there is an oil leak inspection hole -arrow- for the left oil seal of the input shaft. If the left oil seal is defective, there is a possibility that multi- purpose grease will leak out. If ATF or gear oil leaks out, check the ATF pump, the torque converter or the right oil seal of the input shaft for leaks.

Removing

Remove front left wheel.
Remove left front exhaust pipe.

=> 6-cyl. Injection engine (2-valve), Mechanical Components; Repair Group 26; Removing and installing exhaust system
6-cyl. Injection engine (2-valve), Mechanical Components
Removing and installing exhaust system

=> 6-cylinder Engine (5-valve), Mechanical Components; Repair Group 26; Removing and installing exhaust system parts
6-cylinder Engine (5-valve), Mechanical Components
Removing and installing exhaust system parts

Unbolt left drive shaft from flange shaft.

=> Running gear, FWD; Repair group 40; Removing and installing drive shaft
Running gear, FWD
Removing and installing drive shaft

Bend up locking plate - arrows- of collar nut with a screwdriver and take off.

Unscrew collar nut for flange shaft. To loosen the collar nut, screw two bolts into flange shaft and brace with a suitable lever.

Pull out flange shaft.
Lever out seals for flange shaft using a screwdriver.

Note:

Lever out oil seal for flange shaft with a screwdriver.

Remove the speedometer sender -G22 => Page
39-1
.
Remove speedometer sender -G22.

Remove bearing circlip -arrows-.

Place drip tray V.A.G 1306 underneath.

Screw collar nut -1- onto input shaft and lever input shaft out with a suitable lever.
Pull out left oil seal with lever VW 681.

Installing

Install in reverse order, paying attention to the following:

Check oil seal seat in gearbox housing for damage and rework, if necessary.
Moisten outer circumference and sealing lip of oil seal with gear oil or coat thinly with Vaseline.

Slide on new oil seal with sealing lip - arrow- facing thrust piece 3323.
Drive oil seal in up to stop with thrust piece 3323.

Vehicles with 5-cylinder TDI engine:

Check position of thrust pin and spring at right end of drive shaft => -Item
39-13
.

All vehicles:

Check right hand end -1- of input shaft for burrs and rework, if necessary.
Fill bearing -3- with 30 g of multi-purpose grease.
Carefully guide input shaft into hole -2- in gearbox housing.

Notes:

Shown in illustration with gearbox removed and without torque converter.
Inexpert insertion of drive shaft can lead to sealing ring damage at hole -2-=>from Page
39-5
.

Moisten outer circumference and sealing lip for left flange shaft with gear oil or coat thinly with Vaseline.

Examine oil seal seat in gearbox housing for damage; reface surface, if necessary.
The open side of the oil seal should face the gearbox.

Use thrust piece 3305 (if applicable 3171) to drive home sealing ring for left flange shaft.
The oil seal must be inserted at the same depth in the housing all round.

Apply multi-purpose grease to inner end face of magnetic ring and position on flange shaft.

Note:

The lugs of the drive wheel must engage in the cutouts of the flange shaft -arrows-.

Tighten collared nut on flange shaft and secure with a new locking plate -arrows-.
Checking oil level in front final drive of automatic gearbox => Page
39-3
.

Tightening torques

Component · Nm
Flange shaft left to gear box · M20 · 100
Drive shaft to flange shaft · M10 · 77