Chevy Corvette Park System Isn’t Engaging
This bulletin applies to 2016-2019 Chevy Corvette vehicles equipped with a 8L45 or 8L90 automatic transmission. The park system may not engage. The condition may be caused by a damaged parking pawl and/or parking pawl actuator.
- Attempt to duplicate the no-park condition by operating the shift lever. The shift lever should move freely through all positions.
- Check the transfer case for proper operation in each range.
- Inspect the shift cable system and mounting bracket for any signs of visible damage or mis-routing. If these checks are OK, continue with the following.
- Remove the transmission oil pan and valve body.
- Remove the park pawl actuator bracket and discard the bolts.
- Remove the park pawl actuator.
- Inspect for damage, bent rod or incomplete travel of the actuator.
- Inspect the park pawl for damage.
If damage to the park pawl actuator and park pawl is present, replace the following components:
- Park pawl actuator
- Park pawl
- Main shaft detent lever hub pin
- Park pawl actuator bracket
- Park pawl actuator bracket bolts
- Output carrier
Note: The transmission should be disassembled and cleaned thoroughly.