AUDI A4 1997 B5 / 1.G AFC Engine Lock Carrier Removing For Service Workshop Manual

15-7


Lock carrier, removing for
service
1 -
Bolt (8 x 45)
45 Nm (33 in lb)
2 -
Bolt (8 x 45) 45 Nm (33 in lb)
3 -
Bolt (6 x 20) 10 Nm (7 ft lb)
4 -
Bolt (6 x 20) 10 Nm (7 ft lb)
5 -
Hole for special tool VAG 3369
6 -
Alignment hole in front end
7 -
Hole in side panel
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15-8


Removing
- Unbolt air guide at front end, between front end
and air cleaner, and remove.
- Remove mounting bolt -2- on right-hand side and
thread in VAG 3369.
- Thread VAG 3369 into hole -5- on left-hand side.
- Remove mounting bolts -1- and -3-.
- Remove mounting bolt -4-, pull front end forward
and insert mounting bolt -4- through rear
alignment hole -6- and side panel alignment hole
-7-.
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15-9

Cylinder head cover, installing


CAUTION!

Part numbers are listed for reference only.
Always check with your Parts department for
the latest information.
The inside and outside surfaces of the
cylinder head cover gasket must be lightly
coated with silicone lubricant D 007 000 04
before installation.

Installing cylinder head sealing cap
Cylinder heads available from the Parts department can be used on either
the left and right hand sides and are provided with a sealing cap for use
where appropriate. - Carefully coat four edges on cylinder head sealing surfaces with
Silimate, Part No. AMV 174 004 01, using a small screwdriver.
Silimate must be kept out of oil opening -A-.
- Coat edge of sealing cap with sealing paste AMV 188 000 02.

- Tap sealing cap in using drift VW 295, far enough so that outer edge of
sealing cap is flush with chamfer on cylinder head.
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15-10

Camshaft oil seals, replacing


Front

- Remove toothed belt page 13-11
.

- Remove cylinder head cover.

- Remove rear toothed-belt guard.

Note:
Do not oil sealing lip or outer edge of seal before pressing in.
Left front - Remove seal with seal extractor 3240.
- Clean bearing and sealing surfaces.

Right front - Press seal in as far as possible using seal installer 3241.
- Use pulling sleeve on camshaft.
- Press seal in flush using 3241.
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15-11

Right rear

Left rear - Remove bolts, spacer plate and attachments.
- Remove cap.
- Replace O-ring.
- Remove Camshaft Position (CMP) sensor housing.
- Remove bolt from CMP sensor plate.
Tightening torque: 20 Nm (15 ft lb)
- Carefully pry out sensor plate using screwdriver.

- Thread in bolt for seal extractor 2085/1.
Pa
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15-12


Note:
Do not oil sealing lip or outer edge of seal before pressing in.
Tightening torque:
CMP sensor plate: 20 Nm (15 ft lb) - Use seal extractor 3240 or 2085 and bolt 2085/1 to remove seal.
- Clean bearing and sealing surfaces.
- Use guide sleeve and insertion tool 3241 to press seal in until fully
seated.
Pa
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15-13

Cylinder head, removing and installing


Engine installed
This removal procedure refers to the left cylinder
head

Removing

- Remove ribbed belt page 13
-9

- Remove toothed belt page 13
-11

- Disconnect exhaust pipe from manifold.
- Disconnect components of EGR system, if applicable.

- Drain engine coolant at drain plug (arrow) using special tool 3247, and
at drain plug in bottom of radiator.
- Remove air hose between Mass Air Flow (MAF) sensor and intake
manifold.
- Disconnect all spark plug connectors.
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- Disconnect all harness connectors on fuel injectors.
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15-14

- Disconnect positive crankcase ventilation
connections on left and right cylinder head
covers.

- Disconnect fuel supply and return lines.

- Unclip cover on intake air housing.

- Remove both screws under cover.

- Push back and lift intake air housing upward.

- Pull vacuum hose off left side and remove
housing.

- Remove left-side cover for fuel injector lines.

- Detach accelerator pedal cable and lay clear.

- Disconnect line from Idle Air Control (IAC) valve
at throttle body.

- Disconnect harness connector at IAC valve and
throttle position sensor.

- Disconnect vacuum pipe at the cruise control vacuum control actuator.
Pa
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- Disconnect harness connector at oil pressure sensor and at oil
pressure switch.
- Disconnect harness connector at the Camshaft Position (CMP) sensor
housing.
- Disconnect vacuum pipe at intake manifold changeover valve (blue)
and also at EGR valve (brown).
Pa
ge 10 of 35 Lock carrier, removin
g for service
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