Disassembly
1. Thoroughly clean and air dry valve bodies. Remove check balls. Remove each valve train.
2. Lay valves, springs and bushings on a clean surface in the order removed. Remove solenoids, sensor, screens, servos and accumulator assemblies.
Cleaning & Inspection
Clean valves, springs and bushings in solvent. NEVER use shop rags to clean valve body components. Inspect valves and bushings for scoring, nicks and scratches. Inspect springs for damaged or distorted coils. Inspect valve body casting for porosity, interconnected oil passages and damaged machined surfaces.
Reassembly
Reassemble valve body assemblies. See Fig. 26 -Fig. 28 . Using Guide Pins (J-39630-1 and J-39068-2), assemble lower valve body to channel plate. See Fig. 29 -Fig. 31 . Ensure NEW pressure control solenoid filter and oil pressure screen is used. After assembly, ensure all valves move freely in respective bores.
NOTE: Install oil pressure switch assembly to lower valve body. Illustration of oil pressure switch assembly is not available.

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