I am not an expert on V8 Yamaha, since never had to work on one. It would be best to look up water cooling diagram for this car. Some engines are notorious for having hard time to get "air out" and require vaccuum coolant exchange procedure in order to evacuate all the air(most of newer 4...

Thats some serious sludge in that engine..I would question in what condition are the VVT hubs and solenoid with all that gunk. Try to use avoid using engine cleaners at this time and rather use regular oil with frequent oil changes(will be safer than dumping all that junk throughout the engine). I ...

I have one more option, is it possible that the auxiliary timing chain is somehow jumping? The previous mechanic said that the chain tensioner was not working, so could that be it? Thank you, on the live data in Vida I saw that there was a problem on the head where the tensioner was bad. It also tel...

Hello, please provide information. I have a problem with Misfire on a Volvo V8, picture from Vida. I changed the spark plugs and coils and nothing, still the same. I also checked the grounding and nothing. I know it has been addressed here, but no new results. Thank you very much.