Control Valve Assembly: Disassembly
- Lay control valve assembly with machined face up and manual valve at upper left corner. If not removed at TRANSMISSION DISASSEMBLY, remove 3 check balls from cored passages of valve body. Remove manual valve from upper left corner bore.CAUTION: Some roll pins in valve body have pressure against them. Hold shop towel over bore while removing pin to prevent possibly losing bore plug or spring.
- From bore beneath manual valve, remove roll pin and slide out 2-3 throttle valve and 2-3 shift valve train. The 2-3 throttle valve spring and valve may be inside bushing.
- From next bore down, remove roll pin and withdraw converter clutch valve train. Converter clutch valve spring and converter clutch throttle valve may be inside bushing. On Computer Command Control models, clutch throttle valve and spring have been eliminated.
- From next bore down, remove outer roll pin and remove 1-2 throttle valve train and low 1st/detent valve. Remove inner roll pin and slide out low 1st/detent valve bushing and 1-2 shift valve.
- Cover next bore down to prevent loss of spring. Remove outer spring retaining sleeve. Remove bore plug and 4-3 control valve and spring. Remove inner spring retaining sleeve and withdraw low-overrun clutch valve spring and valve.
- From next bore down, remove roll pin and slide out 3-4 throttle valve train. From last bore down, remove roll pin and bore plug and withdraw accumulator valve train.
- From upper right corner, remove roll pin and remove line bias valve train. From next bore down, remove roll pin and 3-2 control valve train.
- From next bore down, remove roll pin. Remove T.V. modulator upshift valve train. From next bore down, remove roll pin and T.V. modulator downshift valve train.
- Cover next bore down to prevent loss of spring. Remove spring retaining sleeve and withdraw T.V. limit valve train.
- From last bore, remove outer roll pin. Remove throttle valve bushing, plunger and spring. Remove inner pin as follows: Grind a taper to end of a No. 49 drill. Lightly tap tapered end of drill into roll pin. Pull drill and roll pin out. Remove throttle valve.