familyguytoo wrote: ↑

Tue Mar 18, 2008 9:24 am

spent this last Saturday taking off the black vacuum tank with the VIAS solenoid and the Swirl control solenoid. The swirl control solenoid (P/N 14956-1P101, Nissan Dealer cost $96.00)is a separate part that is just pressed into a vacuum port on the vacuum tank. By removing the two phillips screws and the small hex bolt you can pull the Swirl solenoid out of the vacuum tank. By applying a hard +12 volts and ground to the two pins on the swirl solenoid connector you can engage the solenoid. Blowing into the input tubes on the valve while engaging the solenoid will tell you if the internal diaphram is working. My Swirl Control Solenoid tested good. There are two black tube hoses which originate at the swirl control valve and go to the air breather box (air filter) and the swirl control valve vacuum check switch. Make sure that these hoses are not clogged. My hose going to the check switch was blocked with some kind of white crust. I ran a thin stiff wire thru it several times which opened it up. Also checked all the other vacuum hoses coming to and from the vacuum tank while I was at it.

Have been driving for four days now with no error codes popping the dealer maintenance required indicator.

IMPORTANT: Mark all of your vacuum hoses so that you put them back in the correct port............