Not sure what "suck a valve" means, but running an engine with no exhaust could easily cause the exhaust valves to get hot enough to melt. Exhaust valves get very hot and if you just shut off the engine with no exhaust manifold in place the cold air can cause an exhaust valve to warp, then,next time you run the engine it will not seat properly.
Many people don't understand and assume that if ANY part of the exhaust system is missing you can warp a valve but that fear is just the result of failing to understand the root cause of the problem. On the other hand, a lean burning engine can overheat the valves to the point that the metal can become soft.
The SCRAMjet was a type of engine that could "suck" the Hydrogen & Oxygen from the air to make a fuel source. This mean it could last forever.
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If the transmission modulator valve is vacuum operated and it goes bad it can allow the engine to suck transmission fluid thru the engine causing the engine to blow blue smoke out the exhaust.
Suck, squeeze, bang, blow. :) Intake, compression, power, exhaust.
The four strokes are 1 Induction (suck) 2 Compression (squeeze) 3 Power (bang) 4 Exhaust (blow)
piston falls =vacuum = draw in fuel/air through intake valve piston rises compressing fuel / air mix, ignited at top,heat and pressure rise piston falls driven by pressure over piston area creating force, turning crank piston rises driving out exhaust gases through exhaust valve More commonly known as. Induction. Compression. Power Exhaust strokes. The humorous way to remember Suck Squeeze Bang Blow.
It comes out through the propeller joint just like an outboard... that's why when you've got the engine running you can see loads of bubbles.
The four strokes are 1 Induction (suck) 2 Compression (squeeze) 3 Power (bang) 4 Exhaust (blow)
Powerboats are built to ventilate the engine when underway. As the boat moves along, an air intake scoops up fresh air and forces it down the air duct into the engine compartment. The exhaust sucks out the explosive fumes from the lowest part of the engine and fuel compartments.
The pcv valve uses vacuum created by the engine sucking air through the intake manifold to suck vapors from the crankcase into the cylinders to be burned with the air/fuel mixture.
I suck! I suck!
Testing steps: * Remove the vacuum hose on the top of the EGR valve and plug it.* Connect a short hose to the EGR valve.* Start the car.* Now suck on the hose, or use an appropriate tool to apply suction to the line * this will open the EGR valve the engine should stumble and try to die.If it does the EGR valve is working. There is an "Exhaust gas manifold pressure sensor" that measures the exhaust gas flow to the EGR valve. The problem is the sensor itself becomes clogged with exhaust carbon and gives the computer a fixed false reading, the computer in turn sends too much vacuum to the EGR valve and the engine runs rough, surges and may die.This sensor on the 3.0 cast iron engine ( overhead valve no overhead cam ) is located by the firewall on or near the intake manifold and is connected to an exhaust tube running to the EGR valve by 2 short rubber hoses and has a 3 pin connector.The hoses measure pressure drop across a restriction inside the tube as exhaust gas flows through it to the EGR valve.I've replaced the sensor on 2 different Taurus', my wife's 99 and my sons 2002, the cars run great afterwards and the light goes off.About 40 bucks do it yourself easily. Twist the old sensor to loosen the hoses. Push the new sensor onto the hoses. The other engines should have a similar sensor somewhere.
the turbos shot,i had a problem with my saab it was the pcv valve made it suck oil out of the pan,smoked real bad
if sludge is keeping oil from draining away from valve guide a cylinder can suck in oil and cause plug to misfire