Jeep Cherokee 2000 Service Manual - page 697
VALVE SPRING
DESCRIPTION
The valve springs are made of high strength
chrome silicon steel. The springs are common for
both intake and exhaust valves.
CYLINDER HEAD COVER
DESCRIPTION
The cylinder head cover is made of die cast alumi-
num and incorporates the Crankcase Ventilation
(CCV) Hoses and the oil fill opening.
HYDRAULIC TAPPET
DESCRIPTION
Valve lash is controlled by hydraulic tappets
located inside the cylinder block, in tappet bores
above the camshaft.
VALVE GUIDE
DESCRIPTION
The valve guides are integral to the cylinder head,
They are not replaceable. However, they are service-
able.
OIL PAN
DESCRIPTION
The oil pan is made of stamped steel. The oil pan
gasket is a one piece steel backbone silicone coated
gasket.
Fig. 9 Valve and Keeper Configuration 2.5L Engine
1 – VALVE LOCKS (3–BEAD)
2 – RETAINER
3 – VALVE STEM OIL SEAL
4 – INTAKE VALVE
5 – EXHAUST VALVE
6 – VALVE SPRING
Fig. 10 Cylinder Head Cover
1 – AIR INLET FITTING
2 – CYLINDER HEAD COVER
3 – FIXED ORIFICE FITTING
Fig. 11 Oil Pan
1 – OIL PAN
2 – OIL PAN DRAIN PLUG
XJ
2.5L ENGINE
9 - 7
DESCRIPTION AND OPERATION (Continued)