Auxiliary Canister

1987 Pontiac Bonneville SESECTION Auxiliary Canister

An auxiliary canister is added to primary canister to increase canister capacity. Auxiliary canister is connected in line to purge air inlet of primary canister.

Vapors overflowing from float bowl are stored in auxiliary canister. During purging, excess vapors are routed to intake manifold for burning in engine.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.