Quote:
Originally Posted by Dippydog
It has what look to be two vacuum pipes and a larger bore rubber pipe going to the top of it
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There are two thin plastic pipes connected to the top cap. The first is indeed for vacuum which controls the outlet valve that releases vapour from the canister only when the engine is running. The second one is to carry that vapour into the throttle body. The rubber hose connects the canister inlet to the fuel tank breather.
Quote:
Originally Posted by Laird Scooby
.....maybe a cruise control actuator. Could also be the electric headlamp aim adjuster to lower the dipped beams when carrying a heavy load so you don't dazzle oncoming traffic.
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Electric vacuum pump for cruise control is mounted on the inner wing/wheel arch in line with the strut tower. Electric headlight adjusters are indeed in the same area to the EVAP canister but are rectangular and mounted directly to the back of the lamp casing whereas the canister sits lower down in the "battery" tray.