1、 FORD LABORATORY TEST METHOD BJ 012-04 Date Action Revisions 2001 07 24 Revised Editorial no technical change A. Cockman 1992 05 12 Printed copies are uncontrolled Page 1 of 2 Copyright 2001, Ford Global Technologies, Inc. VEHICLE CYCLING TEST Application This cycling procedure is established to pro
2、vide a uniform method of accelerated transmission endurance testing for evaluation of candidate automatic transmission fluids using a 3-speed Ford-built automatic transmission. The particular model and series transmission will be specified by Ford Motor Company, Transmission the transmission must sh
3、ift to second gear. Decelerate in second until an automatic 2-1 zero-throttle downshift occurs. 4. Move the selector lever to D1 position and repeat 2 and 3. The sequence 2, 3, 4 constitutes a cycle. 5. Succeeding cycles must not occur more frequently than every .85 miles, as indicated by the test v
4、ehicle odometer. 6. Once every ten miles (approximately) stop the vehicle, move the selector lever to reverse position and back up 75 ft in not more than 5 s, stop, then continue forward cycling. 7. Transmission front pump oil temperature must not exceed 250 F at any time during the test operation.
5、8. Transmission oil must not be added during the test. If sufficient oil is lost, due to any cause during the test that prevents normal operation of the transmission, the test data obtained is not acceptable. Do not add oil. Band Adjustment Procedure 1. Cruise-O-Matic front band: Adjust only at comp
6、letion of 4000 cycles. Use band adjustment procedure specified in the appropriate vehicle service manual except if adjustment required is less than one full turn, reset to maintain the factory setting. If adjustment required is more than one turn, set to one turn. Cruise-O-Matic rear band: Adjust to
7、 one and one-half turns or to factory setting, whichever is smaller. 2. C-4 COM forward band: Adjust only at completion of 4,000 cycles, using procedure specified in service manual, adjust to one and one-half turns or to setting, whichever is smaller. C-4 COM low-reverse band: Adjust to three turns or to factory setting, whichever is smaller. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities.
