Question about 1993 Mazda RX-7
When I'm at idle, there is a tapping noise. Sounds like a loose valve? Can I tighten the valves on this p/u by removing the valve covers? How do I silence the noise. I've tried Marvel magic oil, engine lifter stuff and nothing. Any answers would be appreciated.
These engines are equipped with hydraulic lash adjusters designed to maintain zero lash at all times.
for 4 cyl...2.5 sohc
Non-adjustable Dry Lash 0.024-0.060 inch.
for v8,...5.2---These engines use hydraulic lifters. No provision for adjustment is provide
Posted on Jun 04, 2009
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Posted on Jan 02, 2017
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