GM Service Manual Online
For 1990-2009 cars only

Checks

Action

Line 1 pressure regulator valve (316)

Inspect for worn, sticking or binding valve. Replace the line 1 pressure regulator valve (316). Refer to Control Valve Body Assembly Disassemble .

Line 1 pressure regulator valve spring (315)

Inspect for worn, sticking or damaged spring. Replace the line 1 pressure regulator valve spring (315). Refer to Control Valve Body Assembly Disassemble .

Line 2 pressure regulator valve (212)

Inspect for worn, sticking or binding valve. Replace the line 2 pressure regulator valve (212). Refer to Control Valve Body Assembly Disassemble .

Line 2 pressure regulator valve spring (211)

Inspect for worn, sticking or damaged spring. Replace the line 2 pressure regulator valve spring (211). Refer to Control Valve Body Assembly Disassemble .

Actuator feed limit valve (312)

Inspect for wear, sticking or binding. Replace the actuator feed limit valve (312). Refer to Control Valve Body Assembly Disassemble .

Actuator feed limit valve spring (311)

Inspect for wear, sticking or damage. Replace the actuator feed limit valve spring (311). Refer to Control Valve Body Assembly Disassemble .