Mechanics

S COULD OVERFILLING THE COOLANT EXPANSIO

1996 Alfa Romeo 155

Engine Cooling problem
1996 Alfa Romeo 155 s 4 cyl Front Wheel Drive Manual 235000 miles

Hello,

Could overfilling the coolant expansion tank over the mark level, causes leakage to the connecting pipes?

Recently, I added water in the coolant expansion tank.

A couple days later I could see green stains on the garage floor below the engine. It near the engine block near the oil filter.

Could overfilling cause leaks to pipe due to iincrease pressure?

I thought overfilling will just cause the water to evaporate though the cap of the coolant expansion tank.

Thanks
Avatar
Rodzaidi
September 25, 2009.




Excess coolant can get blown out of the overflow hose

Dave H
Mar 17, 2010.


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