torque AUDI A4 1996 B5 / 1.G AHA ATQ Engines Valve Gear Service Manual

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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15-25


It is not necessary to re-torque cylinder head bolts again after repairs
have been completed. - Tighten cylinder head bolts in two stages in sequence shown, as
follows:
Stage 1: 60 Nm (44 ft lb) Stage 2: additional 1/2 turn (180 ) using rigid wrench (in two 1/4 turns
(90 ) if necessary).

Sealing contact surfaces between bearing cap and cylinder head.
- Carefully apply small amount of sealant D 454 300 A2 at four end
points of sealing surfaces on cylinder head using small screwdriver.
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15-26

Tightening torques

Component
Tightening
torque
Bolts M6 10 Nm (7 ft lb)
Bolts M8 20 Nm (15 ft lb)
Camshaft bearing cap and
camshaft adjuster 10 Nm (7 ft lb)
Exhaust manifold to cylinder
head 25 Nm (18 ft lb)
Front exhaust pipe to exhaust
manifold 25 Nm (18 ft lb)
Heated Oxygen Sensor
(HO2S) 50 Nm (37 ft lb)
Spark plugs 25 Nm (18 ft lb)
Toothed belt sprocket to
camshaft 55 Nm (41 ft lb)
Intake manifold to cylinder
head 10 Nm (7 ft lb)
Cylinder head cover 10 Nm (7 ft lb)
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15-33

All models

- Remove Camshaft Position (CMP) sensor
housing and shutter wheel.

- Unbolt shutter wheel for Camshaft Position
(CMP) sensor -G40- and carefully pry out using
screwdriver.

Tightening torque: 20Nm (15 ft lb)

- Remove cylinder head cover.

- Install 3391 camshaft locator bar into camshaft
locking plates.

- Loosen both bolts for camshafts and back out
bolts approx. 5 turns.

- Remove 3391 camshaft locator bar.

- Remove both camshaft sprockets using T40001 special tool.
- Using screwdriver, carefully lift out oil lines for camshaft bearing
lubrication from camshaft bearings.
When lifting out oil lines, be careful not to damage positioning clips.
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15-41

Tightening torques

Component

Tightening
torque
Bolts M6 10 Nm (7 ft
lb)

M8 20 Nm (15 ft
lb)
Except for the following:
Bearing cap to cylinder
head 10 Nm (7 ft
lb)
Camshaft adjuster to cylinder
head 10 Nm (7 ft
lb)
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)
Camshaft gear to
camshaft 55 Nm (41 ft
lb)
Camshaft bearing cap and
camshaft adjuster 10 Nm (7 ft
lb)
Cylinder head cover 10 Nm (7 ft
lb)
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