Most cars do that in order to cancel out the last reading so that is can adjust for accurate measurement of the new reading.
behind the crank pully
That could be a thousand different problems; please be more specific. Does it crank, and if it does, does the crank sound weak?
Clockwise
as the pistons go up and down, and the temperature changes the air in a crank case has to go somewhere. that is what the vent is for
You have a blown head gasket.
Please clarify what you mean by "crank up". Do you mean that the engine won't crank when it's cold? If that's the case it might be a battery problem. Sometimes a battery can produce enough current when it's warmer but the temperature drops, the chemical reaction will slow enough that it doesn't make enough current to crank the engine. Have the battery checked. When a battery gets to that point it is weak enough that it will show up on a routine test.
Yes you can, but take it to a bike shop or someone who knows what they are doing
Prank like a joke! A Crank call is made for the purpose of annoying, upsetting, or threatening someone.
They appear to be Levi's 514s, slim-straight style.
Cams will point straight up to match marks on housing and crank will be at about 1 o'clock where mark on crank pulley will line up with mark on oil pump casing
The crank sensor is located on the top of the bell housing on the drivers side.
Location of crank shaft position sensor of a Nissan altima 2.5 2004? send diagram please