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Home >> GMC >> 1987 >> Forward Control 4.8 T, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul - THM 400 >> Transmission Disassembly >> Control Valve Assembly

Control Valve Assembly

Remove control valve attaching bolts, manual detent spring and roller. Note size and location of each bolt for reassembly reference. Remove governor oil pipes from case and rotate away from holes. Remove governor oil screen from inboard hole. Remove control valve assembly.