Location of the vent solenoid
SOURCE: chevy avalanche knock sensor (2002)
the knock sensors are under the intake on the valley cover
SOURCE: Where is oil sending unit on 2003 Chevy Avalanche
It's at the very back of the block, top-center, under the intake manifold.
SOURCE: 2002 Chevy Avalanche. Truck will not
Do a bench test on the starter. Remove starter, hook up a ground cable to starter, and positive to two prongs on starter and it should spin. You can do this in vechile too but not suggested due to risk of injury. If it doesn't spin, probally a solenoid or the starter it self. Unlikely but possible.
SOURCE: I am looking for the location of a evap vent
The EVAP solenoid is number 2 in the diagram at this link:
http://gsi.xw.gm.com/image_en_us/gif/000/001/606/1606458.gif
SOURCE: diagram for where the canister
3.8 liter - remove the engine cover. As your standing in front of the vehicle it will be located on the passenger side of the engine inbetween the intake plenum and the valve cover. It will have three wires going to it and to vacuum hoses.
3.4 liter - it will be either mounted to the intake plenum in between the throttle body and the EGR valve. It could also be mounted to the coil/module bracket on the backside of the motor in betweent the motor and the firewall. I think its new enough that it should be in the first location I described.
Also on the under side of the hood (if its the original hood) there should be a sticker with a vacuum diagram and the basic location of that solenoid. The sticker could also be mounted on the upper radiator support or the strut tower on the passenger side.
I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa
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