oil pressure AUDI A3 2000 8L / 1.G AEB ATW Engines Valvetrain Servicing Workshop Manual

15-44


Installing - Grease threaded head of 2085 seal puller, attach and with forced
pressure screw into oil seal as far as possible.
- Loosen knurled bolt and turn inner part against crankshaft until oil seal
is removed.
- Clamp 2085 seal puller in vise at flat surfaces. Remove oil seal using
pliers.
- Lightly oil lip of oil seal.

- Place 3241/2 guide sleeve on end of camshaft.
- Slide oil seal over guide sleeve.
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15-45


- Using 3241/5 camshaft fitting tool and 3241/1 pressure sleeve, press
oil seal in to stop.

- Install camshaft gear.
Note position: thin rib of camshaft gear points outward (arrows) and
TDC Cyl. 1 marking is visible from the front.
- Using 3036 retainer, install camshaft gear retaining bolt.
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15-48


Installing - Grease threaded head of 2085 seal puller, attach and with forced
pressure screw into oil seal as far as possible.
- Loosen knurled bolt and turn inner part against crankshaft until oil seal
is removed.
- Lightly oil lip of oil seal.

- Place 3241/2 guide sleeve on end of camshaft.
- Slide oil seal over guide sleeve.
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15-49


Note:
When installing ribbed belt, make sure it is seated correctly on the pulleys.
Tightening torques - Using 3241/3 camshaft fitting tool and 3241/1 pressure sleeve, press
oil seal in to stop.
- Install Camshaft Position (CMP) sensor -G40- Page 15
-38
.
- Install upper toothed belt cover.
- Install ribbed belt and ribbed belt tensioner Page 13
-15
.
Component
Tightening
torques
Shutter wheel for Camshaft Position (CMP) sensor -
G40- to camshaft 25 Nm (18 ft lb)
Housing for Camshaft Position (CMP) sensor -G40-
to cylinder head 10 Nm (7 ft lb)
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15-62

Valve stem oil seals, replacing


Cylinder head installed

Special tools and equipment
VW653/3 pressure hose
3122B spark plug removal tool
3362 valve spring tool and 3362/1 pressure
piece
3364 valve seat tool
3365 valve stem seat fitting tool

Removing

- Remove camshafts and hydraulic chain
tensioner Page 15
-50
.

- Remove valve lifters and lay aside with camshaft
contact surface facing down. Be careful not to
interchange valve lifters.

-
Using 3122B spark plug removal tool, remove all
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15-69

Installing

- Using 3360 driver, press new, oiled valve guides
from camshaft side to collar into cold cylinder
head.

Note:
After valve guide with collar is seated, insertion
pressure may not exceed 10kN (2248 lbs =
approx 1.0t), as collar may break off.

- Using 3363 reamer -7 mm, ream valve guide.
Use cutting fluid.

- Reface valve seats Page 15
-71
.

- Replace valve stem oil seals Page 15
-62
.
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