Caution: Valve springs can be tightly compressed. Use care when removing retainers
and plugs. Personal injury could result.
- Remove the reverse boost valve bushing retainer ring (226) from
the oil pump cover (206).
- Remove the reverse boost valve bushing (227).
- Remove the reverse boost valve (228).
- Remove the pressure regulator valve spring retainer (229).
- Remove the pressure regulator valve inner (238) and outer
springs (230).
- Remove the pressure regulator valve (231).
- Remove the pressure regulator valve bore plug (232).
- Remove the pressure regulator valve bore plug pin (211).
- Inspect the pressure regulator valve components for chips, burrs,
distortion, plugged oil passages.
- Remove the converter regulator
valve bore plug pin (211) from the oil pump cover (206).
- Remove the converter regulator valve bore plug (212).
- Remove the converter regulator valve spring (213).
- Remove the converter regulator valve (214).
- Inspect the converter regulator valve components for chips, burrs,
and distortion.
- Remove the TCC enable
valve spring retainer sleeve (215) from the oil pump cover (206).
- Remove the TCC enable valve spring (216).
- Remove the TCC enable valve (217).
- Inspect the TCC enable valve components for chips, burrs, and
distortion.
- Remove the TCC shift valve
bore plug retainer ring (221) from the oil pump cover (206).
- Remove the pressure regulator (TCC shift) valve bore plug (232).
- Remove the TCC shift valve (223).
- Remove the TCC shift valve spring (224).
- Remove the TCC shift valve spring seat (225).
- Remove the TCC shift valve spring seat pin (211).
- Inspect the TCC shift valve components for chips, burrs, and distortion.
- Inspect the oil pump cover vent hole for blockage.
- Inspect the stator shaft splines for damage.
- Inspect the turbine shaft bushings (233, 234) for wear,
and galling.
- Remove the overrun clutch
housing oil seal rings (219) from the oil pump cover (206).
- Inspect the overrun clutch housing oil seal ring grooves for nicks,
burrs, and debris.