Knocking noise

Asked by Mar 03, 2017 at 01:38 AM about the 1999 Chevrolet Blazer 4-Door RWD

Question type: General

Why do i hear a tapping noise on my 99 blazer on
startip

2 Answers

77,905

Just some sticky or worn lifter noise. Common. Usually putting in an oil additive to quiet down the lifers helps. Just go to your local parts store and see what they recommend.

I have a 1999 Chevy Blazer all of a sudden today it started knocking if it goes above 2000 RPMs

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