Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2002 Ford ThunderbirdFACTORY OEM SERVICE PROCEDURE
Line Pressure Chart
LINE PRESSURE SPECIFICATION
| Transmission | Vehicle Application | Range | Idle | WOT Stall | Idle | WOT Stall |
|---|---|---|---|---|---|---|
| PC C | PC C | Line | Line | |||
| 5R55N | 3.9L | P/N | 0-103 kPa (0-15 psi) | 0-103 kPa (0-15 psi) | 862-1,137 kPa (125-165 psi) | - |
| - | - | R | 793 kPa (115 psi) | 793 kPa (115 psi) | 634-910 kPa (92-132 psi) | 2000-2,482 kPa (290-360 psi) |
| - | - | D5/D4 | 0-103 kPa (0-15 psi) | 0-103 kPa (0-15 psi) | 758-1,034 kPa (110-150 psi) | 1,448 -1,793 kPa (210-260 psi) |
| - | - | M5/M4 M3/M2/M1 |
0-103 kPa (0-15 psi) 0-103 kPa (0-15 psi) |
0-103 kPa (0-15 psi) 0-103 kPa (0-15 psi) |
758-1,034 kPa (110-150 psi) 758-1,034 kPa (110-150 psi) |
1,448 -1,793 kPa (210-260 psi) 1,448 -1,793 kPa (210-260 psi) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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