Chrysler neon 1997 Service Manual page 1254

PL
DISASSEMBLY AND ASSEMBLY (Continued)
Fig. 90 Valve Specifications
E-SEAT DIAMETER D-SEAT CONTACT AREA C-SEAT ANGLE (INTAKE & EXHAUST: 45°–45 1/2°) B-FACE ANGLE (INTAKE & EXHAUST: 44 1/2°–45°) A-SEAT WIDTH (INTAKE AND EXHAUST 0.90 TO 1.30 MM (0.035 TO 0.051 IN.)
Fig. 91 Refacing Intake and Exhaust Valves
Fig. 92 Refacing Valve Seats
VALVE INSTALLATION
(1) Coat valve stems with clean engine oil and
insert in cylinder head.
Fig. 93 Checking Spring Installed Height and Valve
Tip Height Dimensions
(2) Install new valve stem seals on all valves using
a valve stem seal tool (Fig. 94). The valve stem seals
should be pushed firmly and squarely over valve
guide.
CAUTION: If oversize valves are used, there is only
one oversize valve available. The same stem seal is
used on both the standard and oversize valve.
Fig. 94 Valve Stem Oil Seal Tool
(3) Install valve springs and retainers. Compress
valve springs only enough to install locks, taking
care not to misalign the direction of compression.
Nicked valve stems may result from misalignment of
the valve spring compressor.
CAUTION: When depressing the valve spring
retainers with valve spring compressor the locks
can become dislocated. Check to make sure both
locks are in their correct location after removing
tool.
(4) Check the valve spring installed height B after
refacing the valve and seat (Fig. 93). Make sure mea-
surements are taken from top of spring seat to the
bottom surface of spring retainer. If height is greater
than 38.75 mm (1.525 in.), install a 7.620 mm (0.030
inch.) spacer under the valve spring seat to bring
spring height back within specification.
2.0L DOHC ENGINE 9 - 83