Ford 2003 Mustang Workshop Manual page 2367

2. Start engine and check line pressures. Refer to the Line Pressure Chart to determine if line
pressure is within specification.
Line Pressure Chart
Application Range
4.6L P, N, OD,
2, 1
4.6L R
3.8L P, N, OD,
2, 1
3.8L R
Clutch Pressure Chart 3.8L
Transmission Pressures with TP at 1.5 Volts and Vehicle Speed Above 8 Km/h (5 MPH)
a
Gear EPC Tap
M1 172-241 kPa
(25-35 psi)
M2 103-241 kPa
(15-25 psi)
1 172-241 kPa
(25-35 psi)
2 103-241 kPa
(15-25 psi)
3 137-206 kPa
(20-30 psi)
4 172-241 kPa
(25-35 psi)
a
EPC readings will vary due to EEC strategy. These values are approximate pressures. Actual clutch
apply pressures should be within 69-103 kPa (10-15 psi) of line pressure. For additional information on
testing, refer to the Clutch Pressure Test in this section.
Clutch Pressure Chart 4.6L
Transmission Pressures with TP at 1.5 Volts and Vehicle Speed Above 8 Km/h (5 MPH)
a
Gear EPC Tap
M1 172-241 kPa
(25-35 psi)
M2 103-241 kPa
(15-25 psi)
1 172-241 kPa
Idle
EPC Line Pressure
207-276 kPa 552-689 kPa (80-
(30-40 psi)
13-82 kPa (2- 441-683 kPa (64-
12 psi)
138-207 kPa 448-586 kPa (65-
(20-30 psi)
103-172 kPa 448-620 kPa (65-
(15-25 psi)
Line Pressure Forward Clutch
Tap
517-655 kPa (75- 448-586 kPa (65-
95 psi)
413-551 kPa (60- 344-482 kPa (50-
80 psi)
517-655 kPa (75- 448-586 kPa (65-
95 psi)
413-551 kPa (60- 358-468 kPa (52-
80 psi)
413-517 kPa (60- 413-517 kPa (60-
75 psi)
517-655 kPa (75- 0-34 kPa (0-5
95 psi)
Line Pressure Forward Clutch
Tap
517-655 kPa (75- 448-586 kPa (65-
95 psi)
413-551 kPa (60- 344-482 kPa (50-
80 psi)
517-655 kPa (75- 448-586 kPa (65-
EPC
689-758 kPa
100 psi) (100-110 psi)
572-655 kPa
99 psi) (83-95 psi)
689-758 kPa
85 psi) (100-110 psi)
572-662 kPa
90 psi) (83-96 psi)
Intermediate
Tap Clutch Tap
0-34 kPa (0-5 psi)
85 psi)
393-517 kPa (55-75
70 psi)
0-34 kPa (0-5 psi)
85 psi)
379-517 kPa (55-75
68 psi)
413-551 kPa (60-80
75 psi)
482-620 kPa (70-90
psi)
Intermediate
Tap Clutch Tap
0-34 kPa (0-5 psi)
85 psi)
393-517 kPa (55-75
70 psi) psi)
0-34 kPa (0-5 psi)
WOT Stall
Line Pressure
1310-1448 kPa
(190-210 psi)
1427-1855 kPa
(207-269 psi)
1310-1448 kPa
(190-210 psi)
1427-1862 kPa
(207-270 psi)
Direct Clutch
Tap
0-34 kPa (0-5
psi)
0-34 kPa (0-5
psi) psi)
0-34 kPa (0-5
psi)
0-34 kPa (0-5
psi) psi)
379-517 kPa
psi) (55-75 psi)
448-586 kPa
psi) (65-85 psi)
Direct Clutch
Tap
0-34 kPa (0-5
psi)
0-34 kPa (0-5
psi)
0-34 kPa (0-5