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There are a heap of answers on this question over the years but the main things to check areHi I have had my radiator changed on my 2004 vz commadore but I'm still having to add water every morning what could the problem be
It was a new radiator I'm not sure what u mean by bleeding properly I can't see and coolant under the car bit when I check the radiator every morning I'm having to add qbit of waterThere are a heap of answers on this question over the years but the main things to check are
Was it a new radiator ??
Was it bled correctly ??
Is the radiator cap (located at the front of the plenum) good or krap ??
Is the coolant overflow bottle good or leaking ??
Can you see fluid under the car or around the engine bay ??
Remove the cover across the top of the radiator held by about 6 scriverts and have a good look around