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P1753-TRANSMISSION THROTTLE VALVE MECHANICAL PERFORMANCE (CONTINUED) 2. CHECK TTVA FOR SIGNS OF DAMAGE Turn the ignition off to the lock position. Visually inspect the TTVA shaft for any signs of external damage or improperly mounted. NOTE: It is not necessary to remove the TTVA to perform this procedure. Is the TTVA damaged or improperly mounted? Yes >> Repair as necessary. Perform RE TRANSMISSION VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ No >> Go To 3 3. CHECK IF TTVA SHAFT END IS DAMAGED Turn the ignition off to the lock position. Remove the TTVA from the transmission per the Service Information. (Refer to 21 - TRANSMISSION/TRANSAXLE/ Inspect the end of the TTVA shaft for cracks or damage. NOTE: The end of the TTVA should be keyed or ”D” shaped and fit tightly over the Throttle Valve shaft. Is the end of the TTVA shaft undamaged and fit tightly over the Throttle Valve shaft? Yes >> Go To 4 No >> Inspect the Throttle Valve shaft on the transmission for free movement. If the Throttle valve does not move freely, inspect internal transmission components related to the Throttle Valve and replace as nec- Perform RE TRANSMISSION VERIFICATION TEST VER - 1 (DIESEL). (Refer to 8 - ELECTRICAL/ 21 - 908 AUTOMATIC TRANSMISSION - 48RE - DIESEL - ELECTRICAL DIAGNOSTICS DR/DH |