Manual Second Gear. Pontiac Sun Runner - 4WD (Canada) 1998

For 1990-2009 cars

The selector lever is moved to the Intermediate position on the quadrant, the manual valve is positioned to allow drive oil and intermediate oil to pass through the valve. Intermediate oil is directed to the pressure regulator boost control cavity, seating the check ball at the reverse passage. Intermediate oil is then directed to the pressure regulator valve downward to increase the oil pressure in the circuit. At the same time, the intermediate oil from the manual valve is directed to the 2-3 shift valve train closing off the supply of third clutch oil in the circuit, which is exhausted through the reverse and low control valve.

#### Summary

With third clutch oil exhausted, the third clutch is off, the second clutch is on, the low band servo is applied. The transmission is in Manual Second.

#### Manual Second Gear

Case Passages