So im new to the fourm with a newly owned g37 hr 4 door. I was just hoping to get some insight on the engine. I' am a technician working for honda for the past 3 years & just moved to a independent used car dealership. The car is at 169k and growing since I work an hour away from home.

Anything internal on the motor I need to worry about?
theirs was traction control light and the vsdm, or whatever
Other than that I got bcm codes & random old engine codes. Found a bad ground on top under the hood , fixed if. Cleared codes on saturday drive it and now I'm waiting to go back to work and see what all pops up again.

 

Gallery gasket, common with these cars.

 

Heater core Union is a ticking time bomb the plastic gets super brittle with age.

It's just a 3/4 hose union so you can swap it out with a metal one. This should be on the top of the list to do ASAP if not done already. Do not touch it until you are ready it will break into pieces. https://www.myg37.com/forums/engine-...connector.html