Service Procedures — Ford Ranchero 1977-1979
Technical Reference
Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.
Service Procedures
- Step-by-step C6 automatic transmission rebuild article with numbered photos covering separator plate, valve body and servo work.
- Hot Rod tech page on C6 automatic valvebody reinstall (1967-1970 detent-spring type) plus torque limits and vacuum modulator shift-timing adjustment; turn adjusting screw in for later shifts.
- A/C refrigerant service page showing suction throttling valve refrigerant flow plus a pressure/altitude chart of required gauge readings from sea level (23.5 psi) to 10,000 ft (33.2 psi).
- Step-by-step photo guide for a Ford C6 valvebody shift kit: removing seven-orifice and two-bolt cover plates, swapping pressure-regulator springs (orange firmest, blue firmer) and reusing 1/4 in check balls.
- Magazine how-to (Hot Rod) on installing a Performance Automatics shift-improvement kit in Ford's C6 three-speed automatic: explains valvebody modifications that raise line pressure and firm up shifts.