NAPA AUTOPRO ST. THOMAS
239 Wellington Street St Thomas, ON N5R 2S6 519-631-0500

PCV Valve Replacement at NAPA AUTOPRO ST. THOMAS in St Thomas

Last Updated: Jul 01, 2025

The PCV valve is a little, inexpensive part that does a big job for St Thomas drivers and our environment here in ON. 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 are about seventy percent unburned fuel. 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 all of the problems I’ve already described, oil leaks, excessive oil consumption and reduced fuel economy.

Fortunately, it’s very easy to test the PCV valve, and pretty quick and inexpensive to replace at NAPA AUTOPRO ST. THOMAS in St Thomas. Even so, it’s often overlooked because many St Thomas drivers don’t know about it. Check your owner’s manual or ask your NAPA AUTOPRO ST. THOMAS service advisor. If this is the first time you’ve heard of a PCV valve, you might be in line for a replacement.

Please ask us at NAPA AUTOPRO ST. THOMAS about your PCV valve. For the price of a couple of burger combo meals at your favorite St Thomas drive-up window, you can avoid some very expensive deep engine repairs.

Stop by or give us a call.

NAPA AUTOPRO ST. THOMAS
239 Wellington Street
St Thomas, ON N5R 2S6
519-631-0500


At NAPA AUTOPRO ST. THOMAS we install quality NAPA replacement parts.