Vauxhall Workshop Service and Repair Manuals

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