Workshop Manuals Factory service & repair Fiat
01 00 Introduction and technical data02 10 Engine03 18 Clutch04 21 Gearbox and differential05 33 Braking system06 41 Steering07 44 Suspension and wheels08 50 Auxiliary units09 55 Electrical system10 70 Bodywork
Fiat Punto (176) Factory Service Manual (1993-1999)04 · 21 Gearbox and differential
04 · Transmission

Hydraulic control system (page 4 of 4)

Make
Fiat
Model
Punto (176) Factory Service Manual
Year
1993–1999
Section
Automatic transmission (Selecta)
21 Gearbox and differentialHydraulic control system · page 4 of 4

There are three hydraulic control valves:

  • secondary pressure regulating valve;
  • primary pressure regulating valve (ratio variation);
  • engine braking valve.
Schematic diagram of the hydraulic control valves system showing components including primary and secondary pulleys, oil pump, various valves, and connecting lines.
1. "L" driving mode activation lever11. Transmission pressure retaining valve
2. Push rod (engine braking)12. Pressure regulating solenoid valve
3. Sliding sensor13. Primary pulley
4. Selector cam14. Belt lubricination
5. Secondary pressure regulation valve15. Secondary pulley
6. Modulating pushrod16. Lubricating valve
7. Primary pressure regulation valve17. Oil pump
8. Engine braking valve18. Oil filter
9. Safety valve19. Pitot supply line
10. Pitot pressure20. Oil cooler

Parts & tools for this job For 1993 Fiat Punto

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.