GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Spark 🢒 Transmission/Transaxle 🢒 Automatic Transmission - Jatco 🢒 Control Valve Upper Body Disassemble

    Object Number: 1348723 Size: SH

    Important: Each valve can be removed by being slid with the weight of the valve itself.

    If the valve will not slide in this manner, push it out with a wire or face the valve inserting side downward and tap the valve lightly with a rubber-headed hammer. Do not scratch the valve and damage its surface or hole.

    Important: Do not use a magnet. It may cause residual magnetism.

    Important: Be careful not to drop or lose the valve and internal components.

  1. Remove the retainer plate pin (1), the spring (2) and the neutral shift valve (3)
  2. Remove the retainer plate pin (6), the spring (5), and the throttle pressure accumulator (4).
  3. Remove the retainer plate pin (7), the spring (8) and the shift valve A (9).
  4. Remove the parallel pin (10), the plug (11), the spring (12) and the pressure modifier valve (13).
  5. Remove the manual valve (14).
  6. Remove the retainer plate pin (15), the spring (16) and the line pressure modifier valve (7).

Check

    Object Number: 1343844 Size: SH
  1. Take the following spring measurements, outer diameter (1), free length (2), and wire diameter (3).
  2. If the measured value is too low or too high, replace the spring.
  3. Refer to the Upper Control Valve Body Springs Specifications table in Transmission General Specifications .