GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2009
🢒
Epica
🢒
Transmission
🢒
Automatic Transmission - Aisin 55-51LE
🢒 Control Valve Rear Body Assemble
Inspect the rear control valve body (410) casting for the following conditions:
•
Porosity
•
Cracks
•
Damaged machine surface
•
Chips or debris
•
Damage to valve bores
Inspect all valves, springs, bushings, and clean all components in clean solvent.
Install the 1-2 reverse clutch (B5) control valve (411).
Install the lock up relay valve (415).
Install the lock up relay valve spring (414).
Install the lock up relay control valve plunger (413).
Install the lock up relay control valve sleeve (412).
Install the rear valve body cover plate gasket (418).
Install the rear valve body cover plate (417).
Caution:
Refer to
Fastener Caution
in the Preface section.
Install the 2 - M5 x 0.8 x 13 mm rear valve body cover plate bolts (416) and tighten to
7 N·m (62 lb in)
.
Install the third gear band (B4) control valve spring (422).
Install the third gear band (B4) control valve (423).
Install the shift pressure relay valve (424).
Install the shift pressure relay valve spring (425).
Install the M2 shift valve (426).
Install the M2 shift valve spring (427).
Install the shift pressure control valve sleeve (428).
Install the shift pressure control valve spring (429).
Install the shift pressure control valve (430).
Install the shift pressure control valve plunger (431).
Install the shift pressure control valve plunger sleeve (432).
Install the line pressure control (SLT) accumulator piston (433).
Install the line pressure control (SLT) accumulator piston spring - outer (434).
Install the line pressure control (SLT) accumulator piston spring - inner (435).
Install the secondary regulator valve (436).
Install the secondary regulator valve spring (437).
Install the rear valve body cover plate gasket (419).
Install the rear valve body cover plate (420).
Install the 7 - M5 x 0.8 x 13 mm rear valve body cover plate bolts (421) and tighten to
7 N·m (62 lb in)
.