Workshop Manuals Factory service & repair Vauxhall
01 General Vehicle Information02 Maintenance, Body and Chassis Sheet Metal Parts, Frame03 Paint04 Body Equipment05 Heating, Ventilation, Air Conditioning (HVAC)06 Front Wheel Suspension, Wheels and Tyres07 Rear Axle and Rear Wheel Suspension08 Brakes09 Engine and Engine Aggregates10 Clutch and Transmission11 Fuel and Exhaust System12 Steering13 Electrical Equipment and Instruments14 Accessories
Vauxhall Astra F09 · Engine and Engine Aggregates
09 · Engine

General (Cylinder Head): Specifications

Make
Vauxhall
Model
Astra F
Section
General › Specifications › Cylinder Head
Engine and Engine AggregatesCylinder Head

 

Cylinder head  

Engine  

 

17 DT, X 17 DT (TC 4 EE 1)  

cylinder head gasket  

 

Thickness  

Identification  

Piston projection  

 

 

 

 

mm  

1.45  

no hole  

0.58 - 0.64  

 

 

 

 

mm  

1.50  

1 hole  

0.65 - 0.71  

 

mm  

1.55  

2 holes  

0.72 - 0.78  

Max. deviation from plane surface  

mm  

0.1  

Overall height of cylinder head  

mm  

131.45 to 131.55  

Min. height of cylinder head  

mm  

131.25  

Max. deviation from plane surface for intake and exhaust manifolds  

mm  

0.15  

Indentation of valves to sealing surface  

 

 

 

Intake:  

mm  

0.5 to 1.0  

 

Exhaust:  

mm  

0.5 to 1.0  

Swirl chamber projection  

mm  

0.001 to 0.030  

 

 

 

Cylinder Head (continued)  

Engine  

 

17 DT, X 17 DT (TC 4 EE 1)  

Valve seat width in cylinder head  

 

 

 

Intake:  

 

 

 

 

 

New valve seats  

mm  

1.2 to 1.5  

 

 

Run-in valve seats  

mm  

max. 2.0  

 

Exhaust:  

 

 

 

 

New valve seats  

mm  

1.2 to 1.5  

 

 

Run-in valve seats  

mm  

max. 2.0  

Valve seat angle  

 

 

 

Valve seat  

°  

45  

 

Lower correction angle  

°  

75  

 

Upper correction angle  

°  

15  

 

 

 

Cylinder Head (continued)  

Engine  

 

17 DT, X 17 DT (TC 4 EE 1)  

Valve dimensions  

 

 

 

 

Intake valve:  

 

 

 

 

Valve length  

mm  

104  

 

 

Valve cap diameter  

mm  

34.60  

 

 

Valve stem diameter  

mm  

6.959 to 6.977  

 

 

Valve cap angle  

°  

45  

 

 

Valve stem play  

mm  

0.023 to 0.056  

 

 

Max. valve stem clearance  

mm  

0.080  

 

Exhaust valve:  

 

 

 

 

Valve length  

mm  

104  

 

 

Valve cap diameter  

mm  

30.60  

 

 

Valve stem diameter  

mm  

6.960 to 6.978  

 

 

Valve cap angle  

°  

45  

 

 

Valve stem play  

mm  

0.030 to 0.063  

 

 

Max. valve stem clearance  

mm  

0.095  

Valve stem bore  

mm  

7.000 to 7.015  

 

 

 

Cylinder Head (continued)  

Engine  

 

17 DT, X 17 DT (TC 4 EE 1)  

Camshaft  

 

 

 

 

Radial runout  

mm  

0.00 to 0.05  

 

End play  

mm  

0.05 to 0.20  

 

Cam lift  

 

 

 

 

Intake:  

mm  

8.70  

 

 

Exhaust:  

mm  

8.63  

 

Permissible bearing play  

mm  

0.040 to 0.082  

 

Max. bearing play  

mm  

max. 0.110  

 

 

 

Parts & tools for this job For Vauxhall Astra

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