3L30 (180/180C) Automatic Transmission

1. Check transmission fluid level and correct as necessary.

2. Check vacuum modulator and vacuum supply and correct as necessary.

3. Check outside manual linkage and adjust as necessary.

4. Check engine timing and idle, adjusting as necessary.

5. Raise and support vehicle and place suitable jack under transmission.

6. Remove rear transmission crossmember side bolts.

7. Lower transmission enough to remove pressure tap plug which is located on left side of transmission. When replacing plug, torque to 6 ft lbs.

8. Install tachometer.

9. Install suitable hand operated vacuum pump, then plug vacuum supply line to modulator.