01 D2 boiling coolant after 10ish miles and coming out of overflow tube. Temp Guage goes up when this happens. Did a pressure test with auozone rent a tool and held steady at 15psi for 20 min. Curious if anyone has seen a cracked block, heads, sleeves etc and still had the truck show good on a pressure test? I ask because misfire in cylinder 3, and loooots of white exhaust smoke made me assume cracked block or slipped sleeve initially. Now I think something is clogged stuck etc. given the ok pressure test.
Coolant pressure test
- Thread starter ben marsico
- Start date
Most likely head gasket failed.
I have seen bad head gaskets stil hold pressure in the cooling system.
Pressure test and let it sit for several hours.
I have seen bad head gaskets stil hold pressure in the cooling system.
Pressure test and let it sit for several hours.
Thanks guys I’ll let y’all know what I find out. I did also notice an unusual amount of oil in the throttle body via the crank pressure breather tube.....
If the exhaust gases are getting into the cooling system from cylinder 3 you have a cracked block or (unlikely) a cracked cylinder head.