Quote:
Originally Posted by funola
On those stubborn carbon packed heat shields, one trick that has always worked for me is to take a 1/4" dia flat face punch and a hammer, tap all around the outer diameter of the heat shield. This breaks up the carbon and the heat shield comes out easily with a magnet or a hook. No solvents needed.
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I will try that. Today I tried the turn the engine over some method and it had no effect. I'm actually kind of mystified as to how compression pressure could build behind the heat shield being that it has a 1/4" hole in the center of it. Anyway, again, it had no effect. I have tapped on it some trying to jar it but not earnestly with a punch that size. I'll try that next. I did also leave it today with a rag corner stuffed in the hole and then PB Blaster pooled around that.
Thanks!