Went all in on changing hoses, heater, valve cooling system flush etc. Saw this open ended connection today doing th4 stuff along the firewall. Looked at the coolant flow diagram from joey@witsend and couldn't see if it's supposed to connect or if it's an over pressurization valve of some kind...
Think you nailed it. I did the second water only flush portion a bit ago and it looked very much like the engine oil coming off the exhaust manifold. Damn oil leaks! I need to pull the engine but......pffffff. effort lol.
Anyone know if this is a cooling system related issue? I have a good bit of oil that has made its way across the engine block from leaks on the front I suspect, which I have the parts to fix and will as well, but started a coolant flush and turned the heater on to proceed. Noticed a good bit of...