Which way do you turn a radiator Petcock?
Doesn’t matter if you’re looking up at the petcock or down at it, it turns counterclockwise. You have to visualize looking straight on to the petcock as it fits into the radiator, and rotate the petcock counterclockwise relative to the stationary radiator.
Where is the Petcock valve located?
You can locate it underneath the radiator of your car if you lift the front of your car with a jack. The petcock is a small bolt right under the radiator and easy to spot as modern radiators do not have any other holes underneath them that would require bolts.
How do you remove a stuck radiator drain plug?
Re: Stuck radiator drain plug use needle nose pliers and press and twist to open the radiator drain plug. and you need to remove the drain plug on the engine under the thermostat. both need to be removed to drain all the coolant.
What happens if you leave your Petcock on?
What risks does this introduce that necessitates a manual shutoff? Without the shutoff, if the carburetor float failed to close the valve tightly enough to stop the fuel flow, then gas would continue to trickle into the carb, overflowing the bowl and flowing down into the intake tract.
Is a Petcock necessary?
The petcocks purpose is to prevent fuel flow from the fuel tank to the motorcycles carburetors. They have this in part because motorcycles spend a large chunk of their lives parked on a sidestand. And the petcocks prevent the fuel from overloading the float seals on the “downhill” side of the bike.
What happens if you leave the choke on overnight?
Leaving the choke on for too long will cause unnecessary engine wear and waste fuel. The engine needs its fuel to be vaporised in order to burn it. This is done by the carburettor where the fuel is mixed with clean air coming from the air filter, and sent into the pistons to be ignited.
How do you fix a clogged Petcock?
If there are two little screws holding a metal plate on the front of the petcock, loosen them before unscrewing the petcock from the gas tank. Pull the selector knob off. Using something pointy, gentle pry the four holed rubber grommet out of the petcock. Wash the petcock out with clean gasoline.
How do you test a vacuum Petcock?
If fuel comes out when you suck (create vacuum) on the vacuum hose on the “on & reserve” setting then the petcock is operating properly! Fuel should flow on the “prime” setting with no vacuum applied to the hose. If fuel is flowing ALL the time with no vacuum applied then you have a bad vacuum diaphragm.
Why does my carb keeps overflowing?
When the tip of the valve becomes worn or debris prevents the closing of the valve, fuel flows continuously into the bowl thus flooding the engine. Under severe conditions gas may soak the air filter or overflow out of the carburetor and onto the ground while parked.