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• If oil leaks at or around Iow and reverse brake Circuit, linę pressure becomes Iow in "R" or "P" rangę but is normal in "D", "2" or "1" rangę.

3) When linę pressure is high while idling, pressure regulator valve may have stuck.

If linę pressure does not rise, first check to make

surę that throttle wire is connected properly.

LOCK-UP TEST

Install pressure gauge to port (§). Shift selector lever in "D" rangę.

If lock-up pressure, which is outlined under "Vehicle Speed and Linę Pressure When Shifting Gears", is not within specifications, refer to Trouble-shooting chart ((a?)).

AT-64