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Express Car Care of Denver

"Denver's Best Auto Repair and Quick Lube"

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PCV Valve Replacement

September 17, 2018 by Denver Express Car Care

The PCV valve is a small, inexpensive part that does a big job for Denver and our environment here.  PCV stands for Positive Crankcase Ventilation.  The crankcase is the bottom area of the engine that holds the oil.  When the engine’s running, fuel is burned to generate power.  Most of the exhaust from combustion goes out through the exhaust system.  But some exhaust blows by the pistons and goes into the lower engine, or crankcase.

These hot gases hold about 70 percent of the fuel that hasn’t burned.  This can dilute and contaminate the oil, leading to damaging engine oil sludge.  It can also cause engine corrosion.  At high speeds, the pressure can build up to the point that gaskets and seals start to leak.  Over time, the vented gases will gum up the PCV valve and it won’t work well.  That can lead to oil leaks, excessive oil consumption, and reduced fuel economy.

Fortunately, it’s very easy to test the PCV valve, and it’s quick and inexpensive to replace at Express Car Care in Denver.  Even so, it’s often overlooked because many drivers don’t know about it.  Check in your owner’s manual or ask your service adviser.  If this is the first time you’ve heard of a PCV valve, you might be in need of a replacement.

For the price of a couple of burger combo meals at your favorite drive-up window, you can avoid some very expensive deep engine repairs.  So don’t hesitate to ask questions about PCV valve replacement, give us a call.

Filed Under: Car Maintenance Tagged With: PCV Valve Replacement

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

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Monday: 8:00AM – 5:30PM
Tuesday: 8:00AM – 5:30PM
Wednesday: 8:00AM – 5:30PM
Thursday: 8:00AM – 5:30PM
Friday: 8:00AM – 5:30PM
Saturday: Closed – A note from the owner
Sunday: Closed

Last car oil change time  – 5:00PM

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