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Road Test

  1. Before road testing, ensure fluid level and condition are okay. Control linkage adjustments have been checked and corrected as necessary. During test, transmission should upshift and downshift at speed shown in SHIFT SPEED SPECIFICATIONS  table.
  2. All shifts may vary somewhat due to production tolerances or tire size. Important factor is quality of shifts. All shifts should be smooth, responsive, and with no slippage or engine speed runaway.
  3. Slippage or engine runaway in any gear usually indicates clutch or brake problems. Slipping unit in particular gear can usually be identified by noting transmission operation in other selector positions and comparing which internal units are applied in those positions. See CLUTCH AND BAND APPLICATION (ELEMENTS IN USE)  table.
  4. This process of elimination can be used to detect any unit which slips, and to confirm proper operation of good units; however, actual cause of malfunction usually cannot be easily decided.
  5. Almost any condition can be caused by leaking hydraulic circuits or sticking valves. Therefore, unless obvious condition exists, do not disassemble transmission until hydraulic pressure tests have been made.
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