Secondary Pump Disassemble and Inspect

SECONDARY PUMP DISASSEMBLE AND INSPECT 4T80-E TRANSAXLE






1. Remove the following parts:
- The retainer clip (215)
- The pump ball seat (217)
- The cut off ball (216)
2. Inspect the following for damage or nicks:
- The scavenge pump bushing (204)
- The secondary pump cover (203)
- The pump ball seat (217)





3. Remove the following parts:
- The retainer clip (215)
- The pressure regulator boost valve sleeve (214)
- The pressure regulator boost valve (213)
- The pressure regulator valve spring (212)
- The pressure regulator spring retainer (210)
- The pressure regulator valve (211)
4. Inspect the pressure regulator valve bore for nicks or scoring.