来自MSN1 个月
How To Replace Your Car's PCV Valve (And Why You Might Want To Every 4-5 Years)
After that's all in place, it's off the races. As for when you should replace your PCV valve, about every 30,000 miles is the recommended interval for the valve installed in the Ford. That can ...
Cars8 年
PCV Valve
the PCV valve maintains the optimal level of vacuum in the crankcase to extract the products of blow-by as well as potentially damaging moisture. Automakers may designate a replacement interval.