Oil Pressure High or Low

1. Oil pump assembly pressure regulator valve stuck.
2. Oil pump assembly pressure regulator valve spring damaged.
3. Oil pump rotor guide missing or incorrectly installed.
4. Oil pump rotor cracked or damaged.
5. TV valve and reverse boost valve or bushing stuck, damaged or incorrectly installed.
6. Orifice hole in pressure regulator valve plugged.
7. Oil pump assembly slide sticking or excessive rotor clearance.
8. Oil pump pressure relief ball not sealed or damaged.
9. Oil pump cover or body porous.
10. Incorrect pump cover or defective pump faces.
11. Oil filter intake pipe and filter body restricted or cracked.
12. Oil filter O-ring seal missing, cut or damaged.
13. TV exhaust ball stuck or damaged.
14. Throttle lever and bracket assembly or throttle link binding, damaged or incorrectly installed.
15. Valve body manual valve scored or damaged.
16. Valve body spacer plate or gaskets incorrect, damaged or incorrectly installed.
17. Valve body throttle valve sticking, sleeve rotated in bore or retaining pin not seated.
18. TV limit valve, line bias valve, modulated downshift valve or 2-3 shift valve stuck.
19. Valve body check balls missing or incorrectly installed.