|
|
Content .. 1319 1320 1321 1322 ..
P0734-GEAR RATIO ERROR IN 4TH (CONTINUED) 9. TRANSMISSION SOLENOID/TRS ASSEMBLY Was there no reverse gear during the road test? Yes >> Go To 10 No >> Replace the Solenoid/TRS Assembly per the Service Information. 10. CHECK ROAD TEST RESULTS During the road test, was there no 2nd gear and no 4th gear, but 3rd gear (limp-in) was OK? Yes >> Go To 11 No >> Go To 12 11. CHECK FOR BROKEN REVERSE SUN GEAR WELD Working through the windows in the bottom of the case, check for a broken Reverse Sun gear weld to the reaction (1) Hold the Transmission Output Shaft by holding the Transmission Manual Lever in the park position. (2) Rotate the Input Annulus gear and drive shell, (the drum that encloses the two rearmost carriers). (3) Check to see if the reaction carrier (the frontmost carrier, whose outer shell is splined to the 2C clutch) is rotat- Is the reaction carrier turning faster than the drive shell? Yes >> Replace the Transmission Solenoid/TRS Assembly per the Service Information. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Replace the reaction carrier per the Service Information. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. 12. CHECK FOR NO REVERSE Remove the Transmission per the Service Information and inspect the weld on the reverse carrier hub. Were there any problems found? Yes >> Repair as necessary. Refer to the Service Information for proper repair procedures. No >> Disassemble and inspect the input clutch assembly. Check the OD and Reverse clutch seals, discs, and bleed orifice (in the OD/Reverse clutch piston). Check the OD hub and shaft. Repair as necessary. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. 21 - 94 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS WK |