i like that salt idea.
you have probably forgotten to put the connector back onto the aac valve, if you took it off, that will cause the problem i think.
vacuum hoses might be off liek you said, back of the inlet manifold, it comes out straight with a little T in the middle of it
[HOSE TO AUTO]
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HOSE TO VACCUM SWITCHES _|
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[MANIFOLD}
if its a manual the place where the hose connects that leads to the auto trans wont be there, there whould just be a rubber cap, they are pretty deteriorated by this age and if you had taken it off and put it back on it might not be sealing anymore, dont go putting goo over the hole because it might get sucked into the motor, BAD.
put a bit of hose over it and kink the hose tightly with something.
if anyone was wondering what the hose is for, the one at the end of the fitting is...
if you have ever seen the throttle cable cover of a vn onwards, not sure about late model stuff, the metal wire part near the throttle body you will notice that if the car is a manual it will have 2 wires, one comes from the throttle and the other goes to the auto, so when you put your foot down the auto knows that and it kicks down a gear.
now on the vl this is dont by a vacuum operated valve.
if you have ever had your bonnet up while the engine running and yanked on the throttle cable all the way, you would have heard something between a thud and a heave suction noise.
thats because when the engine is at idle the throttle plate in the throttle body is closed and not restricting the air flow into the motor, the air through the intake piping is moving quite slowly.
The pistons and tryign to pull all this air into the motor to keep it running but the throttle plate is closed so only a tiny bit of air is gettign through, so its sucking air past creating a low pressure, sort of stretching the air particles, or we can call it a vacuum, but when you open that throttle fast all the vacuum is filled with air, so fast and it created that suction noise, a kind of thud. that big suction is happening in the inlet manifold, and that fitting is directly connected to the inside of the manifold and the hose that hoes to the auto trans also gets the big suction runnign through it that activated the kick down in the gears in transmission. thats dony by a valve and blah blah blah my fingers are sore. if anyoen has actually read that and doesn't understand it or wants to clear anythgin up pm me