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let's remove the pcv valve
from the nissan frontier
Sometime it is best to not re-used this tension hose clamp and replace it with a Worm clamp.
Rubber hose are likely to crack and become damage so use care and caution.
Allowing the Hose to warm-up can make removal much easier,and less *** to damage.
NEVER remove HOT-WATER heater hose while hot or warm.
A damage vacuum hose will cause a LEAN running condition during operation.
The PCV valve will allow circulation of combustible gases from the crankcase/oil pan during a BLOW-BY occurrence.
The flammable is allow circulation by a check ball which is pressure operated to open and close the valve.
The flammable gases will enter the intake plenum/manifold Permitted by the PCV passage way.
A contaminated or carbon build-up PCV valve will become stuck and lose function.
Lose of function may also be a vacuum leak due to a remain in open position
Or a leaky oil pan gasket ,due to a stuck close valve. Pressure will increase in the crankcase and push out its pan gasket for leakage.
PCV is also important in preventing engine back fire.
PCV also aid in the event of valve cover leaks
and preserving front and rear crankshaft main seal.
PCV = Positive/Pressure Crankcase Ventilation/Valve
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wanna be careful that you don't break the hose
or crack it
19 mm socket
3/8 drive universal hand ratchet
Remove - Turn counter clock wise.
:-)
Be careful not to drop the valve under the plenum
when we look inside the old valve
we can see carbon buildup into it
and you would shake it
this one still the also rattles(good)
so that that mean it still in operating function
Once the ball
stop rattling inside the pcv valve
once the ball stop a rattling inside the pcv valve
it means that carbon has completely buildup inside of the passageway
preventing the valve from opening and closing according to a vacuum suction
so we're going to replace this one with a new one
but first we must place some thread sealer
On the new pcv valve
Here`s the new one
This one is clean inside.so the valve/ball will move around in side much freely.
this engine monitored
by a Mass Air Flow Sensor
so it is very important
that you place a
sealer
On the threads and all gaskets
Relating
to the intake air induction system
Right over here is a hose
next to the valve
it `s easier to replace the hose if you apply some oil
to the spout
this will be a very tough hose to remove
so use care chances are it will become crack/damage
so you might want to have one
to replace at the same time
don't forget to place your clamp in the position it was removed
This have complete our installation of the pcv valve for the Nissan frontier/3300 VG33E engine
thirty three hundred(3300)
and these are the tools that are required
for its replacement
A (19mm) nineteen twenty deep socket
A pliers(adjustable)
A Flat Tip (long) screwdriver
and a long needle nose plies
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