Last week I noticed I was leaking coolant from the water pump. I ordered a new pump from Classic Alfa and replaced it, but noticed that the new pump has no bleeder valve on the top. So, I assume there is no issue and to just burp the system through the bleeder on the throttle body? Anything I should be worried about?
You do not need to bleed the system I never do. Just drive it with the heater on at 70 mph and the air bubbles rise to the top and exit into the reserve.
I have one of those and they are da bomb. I bought it because I have a car that specifically requires it, but it works great on the GTV and 101 Giulia too.
I know a lot of the older water pumps had the bleed screw but I haven't seen it on any of the replacement pumps. I think Alfa decided at some point that it was not really necessary.
I simply fill the radiator leaving the cap off, open the heater valve, fire up the engine and let it run until it reaches full working temperature. I top it up as the air bubbles are burped and then fit the radiator cap.
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