Quote:
Originally Posted by Tpawlik
I had the same problem when I removed the hard lines to inspect my glow plugs. Air is introduced to the system. The engine sounded so bad, I thought I had somehow damaged it. It took me two or three tries, at cracking the injectors, a couple of days apart, to bleed all the air out. It finally quieted down.
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Do you crack them with engine stopped or running?
Yes, the sound is very mechanical.
Thank you.