Head Gasket Gone?

[aar-on06]

I was coming home for a car cruise last nite and i was flat out the hole way home. When i looked under the bonnet the coolant overflow bottle was filled to the very top past the full mark. Then i looked 2day and its at the full mark and the radiator coolant is about and inch from where it usually sit. Is it the headset thats gone?

 

[cheshireglanza]

I have the same problem thinking my thermostat is stuck with shit

 

[weeJohn]

Not necessarily, it could just have pushed water out on the run. It should get sucked back in when the engine cools but, a faulty rad cap can cause it not to. Try topping up the rad and replace the cap, then keep an eye on it for a week.

 

[dac69er]

Not necessarily, it could just have pushed water out on the run. It should get sucked back in when the engine cools but, a faulty rad cap can cause it not to. Try topping up the rad and replace the cap, then keep an eye on it for a week.

agreed. if it isnt overflowing the coolant bottle then i wouldnt worry yet. do as weejohn suggested, if you still have an issue then report back!

 

[aar-on06]

Checked the rad hoses when i got home yesterday and there were solid . I think il try a compressor test and if its low il replace the headgasket

 

[weeJohn]

After you do the compression test as normal, pour a little engine oil, about a table spoon full, into each bore and do the test again. If any low readings shoot way up to near normal, you are looking at a cracked piston ring land I would guess.