my car has overheating issues, and has been in my garage for a month now. it overheated pretty bad one night,
on the last hill up to my house, i heard a ticking sound coming from under the hood while driving the last meters upward. when i parked it, it came a lot of steam from under the hood, from the radiator, upper right side in front of passenger.
the day after, i had to drive the car to my new apartment's garage. the car worked very fine for a five kilometers, the engine seemed to be very smooth and i couldnt notice anything wrong. it then started overheating, and some smoke came out from it as i parked it, and i could hear pressure escaping from my radiator.
the temparature needle was never in the red zone, on these two tours. but very close to red in the end of the tours.
when i inspected it the day after, i found a crack in my radiator, upper right side, in front of passenger. when i reversed out of my garage, thru some thick snow, and drove it in again, steam and water was coming out of the little crack.
i fear my head gasket or/and cylinder head(s) may be cracked.
first, let me say that i cant see coolant-oil on my dipstick, white thick exhaust, and i dont think there is oil in my radiator. but i cant get hot air from my heater.
when it idles at normal operating temperature, its not overheating at all, the needle is right below middle.
the engine also sounds very good, and its very very cold here in these days. starts very easily too.
i have never seen bubbles coming in my reservoir tank.
my main issue now, is why the radiator is spitting out water when it is 100% full, when car is idling and at operating temperature.
the upper radiator hose becomes very warm, but not so warm that i cant hold it, but the lower hose on the opposite side, is cold.
this is when the car is idling at a middle temperature.
when my radiator cap is off, and i rev it high, like 5k rpm, water is sploshing out of the radiator hole. my expansiontank cap is on.
i filled up my radiator, adding more and more fluid until it stopped dropping, when the motor was idling.
then i revved it up to 5k rpm, and the water came out. there was no bubbles to be seen coming up from the top of the rad while idling.
only a few in the start, but i think that was just air pockets. couldnt see any smoke coming from the big water-pillar that came out frp, the rad while revving high.
it didnt spill out any water when idling, while the rad was 100% full.
do you think this is because a cracked head gasket, or cylinder head? or is it normal that a car spits out a 100% full radiator, when you rev it high, with the cap on.
i would be extremely grateful for some answers, ive read a lot on this forum, and you guys seem very competent. i am not
