Specifications, Mechanical: Valves

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Cylinder Head Valve Dimensions

Courtesy of VOLVO CARS OF NORTH AMERICA.

Valve crown diameter (A)

Inlet	B6284T........31.00 0.15 mm
	B6294S........32.00 0.15 mm
Exhaust	B6284T........27.00 0.15 mm
	B6294S........27.00 0.15 mm

Valve stem diameter (B)

Inlet	B6284T........6.970 +0/-0.015 mm
	B6294S........6.963 0.007 mm

Valve stem diameter (B1)

Exhaust	B6284T (H1=22.7 mm)........6.962 0.007 mm
	B6294S (H1=17.4 mm)........6.963 0.007 mm

Valve stem diameter (B2)

Exhaust	B6284T (H2=65.1 mm)........6.954 0.007 mm
	B6294S (H2=70.4 mm)........6.953 0.007 mm

Total valve length (C)

Inlet	B6284T........104.25 0.22 mm
	B6294S........104.25 0.22 mm
Exhaust	B6284T........103.30 0.27 mm
	B6294S........130.30 0.22 mm

Disc edge height (D)

Inlet and exhaust........1.5 mm

Minimum height after grinding........1.2 mm

Mating surface angle (E)

Inlet........44.5°

Exhaust........44.5°

Fig 2: Camshaft Adjustment Tool

Courtesy of VOLVO CARS OF NORTH AMERICA.

Valve stem vertical position

Valve stem height........48.5 0.4 mm

Maximum machining of the valve stem........0.4 mm