1999 AUDI A6 sensor

15-5


11 -
Hydraulic valve lifter (intake)
Notes page 15
-45
12 -
Valve keepers
13 -
Valve spring retainer
14 -
Valve spring
15 -
Valve stem oil seal
Replacing with cylinder head installed
page 15
-47

16 -
Rubber/metal seal
Always replace
17 -
Seal Always replace
18 -
Cylinder head Removing and installing page 15
-18
Checking for distortion page 15
-27
Resurfacing page 15
-28
19 -
Exhaust valve
20 -
Intake valve
21 -
Oil seal
Camshaft Position (CMP) sensor side
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15-6


22 -
Shutter wheel for Camshaft Position
(CMP) sensor -G40-
Note position (notch on camshaft)
23 -
Washer Conical
24 -
Bolt 25 Nm (18 ft lb)
25 -
Camshaft Position (CMP) sensor -G40-
26 -
Bolt 10 Nm (7 ft lb)
27 -
Bolt 55 Nm (41 ft lb)
28 -
Camshaft sprocket
29 -
Oil seal Toothed belt sideReplacing page 15
-14
30 -
Hydraulic valve lifter
Notes page 15
-45
Removing and installing with cylinder head
installed page 15
-31

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15-10


15 -
Valve spring retainer
16 -
Valve spring
17 -
Valve stem oil seal
Replacing with cylinder head installed
page 15
-47

18 -
Rubber/metal seal
Always replace
19 -
Seal Always replace
20 -
Cylinder head Removing and installing page 15
-18
Checking for distortion page 15
-27
Resurfacing page 15
-28
21 -
Exhaust valve
22 -
Intake valve
23 -
Oil seal
Camshaft Position (CMP) sensor sideReplacing page 15
-14
Pa
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15-11


24 -
Shutter wheel for Camshaft Position
(CMP) sensor -G40-
Note position (notch on camshaft)
25 -
Washer Conical
26 -
Bolt 25 Nm (18 ft lb)
27 -
Camshaft Position (CMP) sensor -G40-
28 -
Bolt 10 Nm (7 ft lb)
29 -
Bolt 55 Nm (41 ft lb)
30 -
Camshaft sprocket
31 -
Oil seal Toothed gear sideReplacing page 15
-14
Pa
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15-15

Oil seal on Camshaft Position (CMP) sensor
(left and right cylinder head)

- Unbolt Camshaft Position (CMP) sensor.

Tightening torque: 10 Nm (7 ft lb)

- Unbolt shutter wheel for Camshaft Position
(CMP) sensor and carefully pry out using
screwdriver.

Tightening torque: 20 Nm (15 ft lb)

- Screw in bolt from 2085/1 adapter.

Do not lubricate sealing lip or outer edge of seal before pressing in. - Remove seal using 2085 seal puller and bolt from 2085/1.
- Clean contact surface and sealing surface.
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15-16


Rear sealing flange (left cylinder head)
The sealing flange and rear oil seal on the left cylinder head must be
replaced together as follows: - Press seal flush using 3241/1 press sleeve and 3241/3 bolt.
- Unbolt engine coolant expansion tank from bracket.
- Remove crankshaft ventilation line from cylinder head cover.
- Unbolt Camshaft Position (CMP) sensor.
Tightening torque: 10 Nm (7 ft lb)
- Unbolt shutter wheel for Camshaft Position (CMP) sensor G40 and
carefully pry out using screwdriver.
- Remove cylinder head cover.

- Remove double bearing cap (arrows).
- Remove seal and sealing flange.
- Clean running and sealing surfaces as well as contact surface of
double bearing cap.
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cover.
- Remove intake air duct between Mass Air Flow (MAF) sensor and
intake air elbow.
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15-20


- Disconnect blue harness connector on Intake Manifold Tuning (IMT)
valve.
- Disconnect black harness connector for intake air temperature sensor
on resonator.
- Cut tie wraps and move wiring to side.
- Disconnect vacuum line at cruise control vacuum diaphragm and at
vacuum booster.
- Unbolt cruise control vacuum diaphragm and unhook cruise control
vacuum diaphragm linkage at throttle body.
- Disconnect harness connector on throttle body and vacuum lines on
fuel pressure regulator.

- Disconnect harness connectors from camshaft adjustment valve and
from fuel injectors (arrows).
- Disconnect harness connectors from Engine Coolant Temperature
(ECT) sensor and Camshaft Position (CMP) sensor (arrows).
- Cut tie wraps on valve cover.
- Unclip wiring retainer on fuel rail and disconnect crankshaft housing
ventilation lines from left and right-side valve covers. Move hoses and
wiring clear (to rear).
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11/21/2002 htt
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pair&id=AUDI.B5.GE03.15.1