Chrysler Conquest 1988 Service Manual page 1227

AUTOMATIC TRANSMISSION
-
Oil
Pumt,
21-105
NZILG-.
OIL PUMP
DISASSEMBLY
1. Remove front pump gasket and O-ring. Inspect pump body,
bushing and pump shaft for wear.
2. Remove pump cover from pump housing.
Valve Spring Chart
Valve spring
Lock-up control valve
Wire dia.
mm (in.)
Outer
coil dia.
mm (in.)
No. of
active coil
0.70
i.0276)
5.50 13.5
(.2165)
Free length
mm (in.)
26.3 16.0 16.7
(1.035) (.630) (3.74)
JATO7:
JAT074
3. Remove retaining pin using a punch [outer dia. 1.5 to 1.8
mm (.059 to .071 in.)], then remove lock-up control valve
and spring.
4. Inspect gears, lock-up control valve, spring and all internal
surfaces for faults and visible wear.
5. Measure clearance between outer gear and crescent.
Standard value: 0.14 - 0.21 mm (.0055 - .0083 in.)
Limit: 0.25 mm (.OOSS in.)
6. Measure clearance between outer gear and pump housing.
Standard value: 0.05 - 0.20 mm (.0020 - .0079 in.)
Limit: 0.25 mm (.0098 in.)