Coolant system help please!!
Hey guys, first time jeep owner here.
2000 cherokee sport 4.0 6cyl
I bought this jeep 3 weeks ago, and Im having cooling problems and my car overheated the other day.
The car ran way under 210 when i bought her(first day). Then i changed the oil next day after purchase and noticed the car started to run up towards 210.
Week later i flushed the radiator system entirely (noticed rust build up inside), new 50/50 and water, new upper radiator hose and lower radiator hose, i also changed the spark plugs (bosch platinums) in the hopes to increase gas milage.
Then i started noticing the car regularly running at 210 and it starting climbing to 225. Kept driving ok, then 3 days ago while in traffic she went right from 225 and jumped to 260. Lights and buzzers were going and i managed to pull into a parking garage. Popped the hood and coolant resivior was bubbling hot!
I let the car sit till cold (5hrs), then popped the radiator cap and ran her in the hopes to burp the line incase it was an air bubble. I noticed the coolant wasnt flowing into the radiator but overflowing out of the open cap. The system seemed backed up.
Today i changed the water pump (mild-med corrosion) and i changed my thermostat (only to find the car didnt have one.) New water pump and gaskets, new t-stat and gaskets, but car doesnt seem to be cooling.
I also noticed today, that the previous owner disconnected the 2 hoses that go to the heater coil and connected them with what looks like a v- shaped joint (which i guess explains why i have no hot air.)
Any thoughts or help??