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2.0L - Cylinder Head, Valvetrain - Engine Code(s): Bpy: Specifications Audi A3 8P facelift

Mechanical ~152 words

FASTENER TIGHTENING SPECIFICATIONS

ComponentBolt SizeNm
Cable Bracket10
Camshaft Adjuster 120 + 45°
Camshaft Adjustment Valve 14
Camshaft Position Sensor10
Camshaft Sprocket 150 + 180°
Chain Tensioner10
Cylinder Head Bolt40 + 180°
Exhaust Manifold Stud Bolt20
Housing10
Intake Manifold Stud Bolt10
Phase Sensor10
Tensioning Roller Stud Bolt10
Transport Strap25
Valve Housing4
Toothed Belt Drive, with Divided Toothed Belt Guard
Camshaft Sprocket50 Nm + 180°
Coolant Pump15
Crankshaft Toothed Belt Sprocket 190 + 90°
Damper Roller for Rear Toothed Belt Guard25
Damper Roller for Sealing Flange35
Engine Mount45
Lower Toothed Belt Guard8
Rear Toothed Belt Guard 210
Semi-Automatic Tensioning Roller, Nut25
Upper Toothed Belt Guard10
Toothed Belt Drive, without Divided Toothed Belt Guard
Camshaft Sprocket 150 + 180°
Coolant Pump35
Crankshaft Toothed Belt Sprocket 190 + 90°
Damper Roller25
Engine Support40
Rear Toothed Belt Guard 210
Semi-Automatic Tensioning Roller, Nut25
Upper Toothed Belt Guard 210
1 Replace 2 Insert with locking fluid

Cylinder Head Cover Tightening Sequence

Install bolts -1 through 14- and tighten by hand.

Tighten the bolts -1 through 14- diagonally to 10 Nm .

Cylinder Head Tightening Sequence

Tighten cylinder head bolts in -1 through 10- sequence as follows

1. Tighten to 40 Nm using a torque wrench.

2. Tighten further 90° using a rigid wrench.

3. Tighten further 90° using a rigid wrench.

Guide Frame Tightening Sequence

Replace bolts

1. Hand-tighten bolts in several stages -1 to 6- in sequence.

2. Tighten the bolts in sequence -1 to 6- to 8 Nm using a torque wrench.

3. Give 90° ( 1 / 4 turn) additional turn in sequence -1 to 6- using rigid wrench.

Valve Dimensions

Note. Intake and exhaust valves must not be refaced by grinding. Only lapping is permitted.

DimensionIntake ValveExhaust Valve
Diameter aMm33.85 ± 0.1028.0 ± 0.1
Diameter bMm5.98 ± 0.015.96 ± 0.01
CMm104.0 ± 0.2101.9 ± 0.2
ΑAngle°4545