Vacuum lines from intake dodge dakota sport v-6 magnum
There are two vacuum stubs on the passenger side of my intake (v-6). the top one goes to the pcv valve. my bottom one is bare and i cant find a loose hose. i pluged it with a rubber cap but i think my truck is not running right.
Re: vacuum lines from intake dodge dakota sport v-6...
On my 2002 dodge dakota there is a hose that runs off of the front of the intake manifold(facing front end of the engine compartment) This hose was disconnected and there was a cap on the stud at the bottom the intake. The hose was of course a perfect fit. The engine is now running a bit smoother and the all is well with the world.
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On the 95 5.2 318 SLT it comes off the passenger side of the intake manifold around middle ways under the center section bellow the throttle body.From there the vacuum line goes through a one-way "in-line"directional valve.The valve has the black side to the vacuum port of the manifold. It there goes to a "T" fitting.One hose on the "T" goes to the driver side through the firewall to regulate air flow in the cab.The other side of the "T" goes to the air ball next to the cruise control servo on the firewall. This hollow ball stores 10" of vacuum to operate the vacuum diaphragm of the cruise control servo. Hopes this helps. Jimmy
You could have either a vacuum line leak or an intake gasket leak. Often an intake gasket leak will also cause an oil consumption issue as the actual vacuum leak is at the bottom side of the intake and will result in not ony a misfire at idle but will pull engine oil into the intake causing a loss of engine oil. The other primary sources of leaks I find are broken plastic vacuum lines, usually on the passenger or rear side of the engine. The throttle plates on these do cause a loud hissing noise [normal] so it's often hard to pinpoint an actual vacuum leak unless the air cleaner is on which mutes some of the normal air noise.
If you are talking about the cruise control, there is a cable that comes off of the throttle and into a mechanism on the firewall. It vaguely, somewhat, not really looks like a mushroom. This is the cruise control unit. There will be one or two vacuum lines in it. Consult your vacuum diagram under the hood to find out where they are supposed to go.
V6 engine? If so, there is a small plastic vacuum tube that runs from the blend door actuator under the dash to a connector in the engine compartment. The tube goes thru the fire wall about 5 inches above the throttle cable (right under the heater core tubes). The tube runs about 10 inches (behind the intake manifold) to a vacuum tube that tee's off the right side of the intake.
My tube was broken....dealer and NAPA did not have a tube that small but had one that fit over it for a quick splice.