Jeep Cherokee 2000 Service Manual - page 695
CYLINDER BLOCK
DESCRIPTION
The cylinder block is a cast iron inline four cylin-
der design. The cylinder block is drilled forming gal-
leries for both oil and coolant.
CYLINDER HEAD
DESCRIPTION
The cylinder head is made of cast iron containing
eight valves made of chrome plated heat resistant
steel, valve stem seals, springs, retainers and keep-
ers. The cylinder head, valve seats and guides can be
resurfaced for service purposes.
The cylinder head uses dual quench-type design
combustion chambers which cause turbulence in the
cylinders allowing faster burning of the air/fuel mix-
ture, resulting in better fuel economy.
The valve guides are integral to the cylinder head,
They are not replaceable. However, they are service-
able.
CRANKSHAFT
DESCRIPTION
The crankshaft is constructed of nodular cast iron.
Fig. 3 Cylinder Block—2.5L
1 – CYLINDER BLOCK
Fig. 4 Cylinder Head
1 – CYLINDER HEAD BOLTS
2 – CYLINDER HEAD GASKET
3 – CYLINDER HEAD
Fig. 5 Crankshaft—Typical
1 – MAIN BEARING JOURNALS
2 – COUNTER BALANCE WEIGHTS
XJ
2.5L ENGINE
9 - 5
DESCRIPTION AND OPERATION (Continued)