D21 Hardbody 2WD L4-2389cc 2.4L SOHC (Z24i) (1988)
Control Valve Assembly: Service and Repair
Control valve:
1. Drain fluid by removing oil pan.
2. Remove kickdown solenoid and vacuum diaphragm & rod.
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Be careful not to lose vacuum rod.
3. Remove control valve assembly.
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Be careful not to drop manual valve out of valve body.
4. Disassemble, inspect and assemble control valve assembly.