I ran half a can of seafoam through my brake booster on my 2007 Escalade 6.2L yesterday. I was dumping it pretty quick as the truck was idling. As I emptied half the can I had my buddy shut the truck off but it kept running and knocking very bad for about 5 seconds then finally died.. I let it sit for a few minutes in fear that I did some real damage but the truck fired right up and sounded fine.. Did I do any long term damage though? It was knocking very loud, shaking and sputtering it did not sound good... Thanks in advance.
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