Close
Q:

have you replace o rings in the heater core on 2002 Mitsubishi Diamante

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
coolant is leaking slowly. added stop leak and it has nearly stoped leaking. still just not quite normal.
(2) Answers
If you continue to drive car you will have more problems than a leaking heater core, like a blown headgasket.
Qualified Local Mitsubishi Shops
Qualified Mitsubishi Shops For This Repair