pinging or tapping on 2001 Chevrolet Suburban 1500

i hear this tapping like when you warm up the truck but it does not go away. could it be that i need to replace the oil pump

by in Arlington, TX on January 15, 2011
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1 answer 1 comment
ANSWER by , January 15, 2011
It might be? But, try changing the oil? If the tapping still persist you might have a bad lift or out of adjustment?
COMMENT by , January 24, 2011