AndyR Posted 12 hours ago Posted 12 hours ago Hi everyone, I'm in the process of doing maintenance on the astra. I am going to do a coolant flush and refresh, and also sort out the egr system. Does the coolant work with the egr, as I've noticed that the heater pipes are connected to the pipework from egr. And would having a clogged coolant system cause the egr to misbehave? Thanks in advance Andy Quote
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