Question about Nissan Altima
Your crankcase is also known as the oil pan. Technically it's under the hood but is most visible from under the car as it is the bottom of the engine. It's called a crankcase because the crankshaft is inside there. To get a bit more complicated though, the crankcase is also the lower part of the engine where the crankshaft actually is housed in the engine, the oil pan actually serving as a sump for the engine oil and as a cover to keep dirt, mice and zebras from getting into the engine. When someone talks about the "bottom end" of an engine they are referring to the crankshaft, connecting rods and the bearings, all which are contained in the crankcase. Your oil drain plug is always located on the bottom or around the perimeter of the bottom of the oil pan.
Posted on May 21, 2011
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Posted on Jan 02, 2017
It is probably a bit different on the 4-cyl engines than the V6 engines. I'll assume you have the V6 for the moment since those seemed to be more popular.
On the 3.5L V6, the drain plug is behind the passenger side wheel well and I believe takes a 17mm socket/wrench to remove.
Posted on Dec 30, 2008
This is a filter element located in a housing to the rear and left side of the engine. See image below.
I hope this helps.
Posted on Aug 16, 2011
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Turn the Volvo 850 off and allow the engine and its components to cool for 30 minutes.
Open the hood of the Volvo 850 by pressing the hood release button within the vehicle. Locate the PCV valve; the valve is identified as a small rubber valve located on the engine crankcase. You will also notice a small hose sticking out of the end of the valve. If needed, read the Volvo 850 owner's manual for more information.
Disconnect the hose from the valve by pulling the hose out of the valve. The hose will come off the valve with minimal force.
Turn on the engine of the Volvo 850. Place your finger over the hole in the valve where the hose was connected. If you feel a strong suction, the valve is working properly and fine. If you do not feel a strong suction, the valve may be clogged and needs replacing.
Turn off the engine of the Volvo 850. Use needle-nose pliers and grip the valve. Pull the valve off of the crankcase.
Install a new valve by putting the valve in place on the crankcase. Insert the hose into the new PCV valve. Secure the new valve in place by pushing it down until it locks into place. Close the hood of the Volvo; pull up on the hood to ensure the hood is shut properly.
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