What is this plastic cylinder for

30

Asked by Charlotte Oct 21, 2022 at 01:24 PM about the 1995 Chevrolet Astro CL Extended RWD

Question type: Maintenance & Repair

what is this? In front of the battery, not mentioned in my Haynes manual

7 Answers

310,175

For fuel vapor from the fuel tank.

1 people found this helpful.
310,175

You won’t find it in the Haynes manual cause those manuals are designed on tear down and reassembly of the power train. This canister is designed to store fuel vapors and then when the engine is running feed them into the engine via a vacuum port. There is usually a sticker under the hood showing the vacuum hose routing.

30

thank you everyone for the answers. I shall now look to replace it ASAP.

1 people found this helpful.
157,555

Some of the earlier ones, like yours, had a filter on the bottom of the canister that needed to be replaced periodically. Hope that helps! Jim

30

that's all great, but now I find that all the evap canisters on parts sites are rectangular rather than round... Does anyone have any ideas? Also, the filters alone only seem to be available on sites that don't ship to France. Normally I get parts from rockAuto, but they don't have one that looks like mine :O

1 people found this helpful.

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