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Refer to the Pressure Tap Locations graphic for cor- TEST PROCEDURE All pressure readings should be taken with the transmission fluid level full, transmission oil at the normal operating NOTE: The 45RFE/545RFE utilizes closed loop control of pump line pressure. The pressure readings may Some common pressures that can be measured to evaluate pump and clutch performance are the upshift/downshift UPSHIFT PRESSURES ENGINE 1-2 2-3 2prime-3 3-4 2prime-4 2-5 3-5 4-5 5.7L 150 125 125 135 135 135 135 135 3.7L/4.7L 120 120 120 120 120 120 120 130 DOWNSHIFT PRESSURES ENGINE 5-4 5-3 5-2 4-3 4-2prime 3-2 3-2prime 2prime-1 2-1 3-1 5.7L 135 135 135 135 135 135 135 135 135 135 3.7L/ 120 120 120 120 120 120 120 120 120 120 IN-GEAR PRESSURES ENGINE 1 2 2prime 3 4 5 NEUTRAL REVERSE 5.7L 160 135 135 135 135 135 120 250 3.7L/4.7L 135 120 120 120 120 120 120 220 21 - 560 AUTOMATIC TRANSMISSION - 45RFE/545RFE - SERVICE INFORMATION DR/DH |