First, we need to figure out what you mean by 'vent tube'. Of the top of my head, I'm thinking you either mean the evaporator drain for your AC, or a breather, such as the ones on your fuel tank, differential, and transmission. If it's water coming out of the AC evaporator drain, that's normal - AC operates by the refrigerant absorbing heat, then cooling down rapidly as it exchanges that heat to the ambient air. Condensation is formed as a result of this.
In the case of the breathers, you have an overpressurization problem, typically due to excessive fluid
Fluid over full, moisture in the fluid, axle overheating, vent tube installed too low,
Transmission overfilled ? so when the transmission fluid is heated up it expands and comes out the vent tube Have you been driving through water ? Got water in transmission so its overfilled , resulting in transmission fluid coming out of vent tube
no it has a vent if it is coming out the vent it is over full.
Is the fluid coming from the vent hose ? When the differential fluid gets warm , it expands , and sometimes can come out the vent tube ( especially if someone has " topped it up " when it is colder ) or is it leaking from a front axle seal ?
The vent tube is located on top of transmission case. To see it you must remove the air filter. The tube also serves another purpose as it is axis pin for the drive linkage cable for shifter inside the car. The vent is known to get plugged after a trans fluid service and flush. If the vent is plugged trans fluid will overflow from the dip stick after car is driven and you will get a puddle of trans fluid under car while parked.
NO THERE IS NOT. Now there is a VENT tube in the top of the transmission that relieves pressure that builds up in the transmission when truck is being driven. You should never OVERFILL a transmission... If it has to much fluid in it, then it can push it out of the vent tube and to the ground. If the transmission is getting to HOT then it may also push fluid out of the vent tube.
Assuming you mean transmission vent: 1) Excessively high fluid level. 2) Tube has hose incorrectly located.
No, get the floats re-adjusted in the carb.
It is building up pressure. Too much fluid, or the vent is clogged.
Take drain plug out from bottom of pan. Fill thru the vent tube until fluid comes out of the drain.
NO. You must drain it out to the correct level. To much fluid will damage the transmission before it pushes the fluid out of the vent tube.
Possible answerIf your headlamp is like mine, a Chevy Malibu, then there's a small vent hole with a tube coming out. Make sure there's no obstructions in the hole or vent.