Porsche TSB #122-Y7X3X-05
2018 Porsche 718 Boxster
Affected Component: EQUIPMENT ADAPTIVE/MOBILITY
- Summary
- Symptom: Coolant is leaking out at the coolant reservoir cap. Cause: The coolant reservoir cap may have been overtightened. The locking lug for the limit stop of the coolant reservoir cap has broken off. Procedure: Replace coolant reservoir filler neck and coolant reservoir cap.