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11. CHECK WIRING AND CONNECTORS Turn the ignition off to the lock position. Remove the Line Pressure Adapter, Miller tool #8259 and 0-300 psi Test Gauge, Miller tool #C-3293-SP. Remove the Starter Relay. CAUTION: Removal of the Starter Relay will prevent the vehicle from being started in gear. WARNING: The Starter Relay must be removed from the PDC. Failure to do so can result in personal injury NOTE: Failure to remove the Starter Relay can cause a Transmission - No Response condition. On the Transmission Simulator, turn the Pressure Switch selector switch to UD. Ignition on, engine not running. With the scan tool, monitor the UD Pressure Switch state while pressing and holding the Pressure Switch test but- Did the UD Pressure Switch state change to closed and remain closed while wiggling the wires? Yes >> Go To 12 No >> Go To 14 12. CHECK FOR EXCESSIVE DEBRIS Turn the ignition off to the lock position. Remove the Transmission Simulator, Miller tool #8333. Remove and inspect the Transmission Oil Pan per the Service Information. Does the Transmission Oil Pan contain excessive debris or contamination? Yes >> Repair the cause of the excessive debris in the Transmission Oil Pan. Refer to the Service Information for the proper procedures. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMIS- No >> Go To 13 13. CHECK THE UD HYDRAULIC CLUTCH CIRCUIT Remove the Valve Body and air check the UD hydraulic clutch circuit (in the case) for leakage per the Service NOTE: The UD hydraulic clutch circuit contains a small bleed orifice. A small amount of air leakage is nor- Was there excessive air leakage noticed during the air check? Yes >> Repair as necessary. Check the UD clutch piston, piston seals and bleed orifice, reaction shaft support seal rings, and machining of the main mating faces of the pump housing, pump valve body, and reaction Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMIS- No >> Disassemble and inspect the Valve Body and repair as necessary. Inspect the UD Accumulator piston and seals. If no problems are found in the Valve Body, replace the Transmission Solenoid/TRS Assem- Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. (Refer to 21 - TRANSMIS- 21 - 580 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS - (DIESEL) KJ |