Vinegar's acidity is what makes it such a good cleaner. Because vinegar is so acidic, it can counteract some icky buildups. It can dissolve away soap scum, brines left by hard water, and glue left behind by stickers.
The PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.he PCV valve is a control device which sends partially burned gases that come from the engine's crankcase to the combustion chamber. Its name, PCV means Positive Crankcase Ventilation and is one of the oldest and most used emission control devices.
The PCV Valve is located behind the exhaust manifold, a few inches below the valve cover. Here's a photo, thanks to Penguini66 from the focaljet.com forums. 3) Push up on the PCV valve to pop it out of the tube, or pull. You can get it out of the rubber tube with some effort.he PCV Valve is located behind the exhaust manifold, a few inches below the valve cover. Here's a photo, thanks to Penguini66 from the focaljet.com forums. 3) Push up on the PCV valve to pop it out of the tube, or pull. You can get it out of the rubber tube with some effort.