So now even after replacing the water pump the issue of low coolant was still happening. After another visit to the mechanic it was then noted that the EGR cooler was to blame. The EGR cooler was actually breached and causing positive pressure in the entire cooling system. This is what...
So to add to my last post.... Mechanic said today that the water pump was leaking big time.. Surprised a pressure test would not have shown this? The part was readily in stock so apparently may be a common issue.. 1000$ later for the part.
I have a 2105 that has just started needing top ups on a regular basis. The coolant seems to level off just under the smaller pipe the left side of the resevoir. I top it off to the cold line and a few days later, back to the same spot. Also air bubbles come through the smaller left pipe when...