Re: Retrofit GM 215-464 Vapor Canister to 1997-2000 Eurovan
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Good advice Phil, a see-through filter makes so much sense.
I found a YT video about the VW N-80 valve and modes of failure and hey presto, at 4:04 a little thimble filter pops out of the canister side hose connector.
I was thinking that maybe if this is partially blocked it might lead to mild excessive pressure while not triggering the fuel tank pressure valve (and hence not triggering a diagnostic code).
When it gets to be my turn to replace the evap canister, I'll plan to extract this thimble filter and do the 'Duane mod' by substituting a NAPA PART 3002 on the canister side of the N-80.
Michael, thanks for these great write ups, they pave the way for the rest of us.
- Jonathan
On Thursday, July 28, 2022 at 04:37:57 AM PDT, Phil <apothecarymortar@...> wrote:
Mike
As to Charcoal dust clogging the N-80:
I would suggest you add a filter just before (to drivers left of N-80). NAPA PART 3002 fits well. Duane came up with this years ago. Simply cut out a very small section of hose- about an inch & a half to two inches - and insert the filter. There are many old style gas filters that do the job. Works great to avoid the charcoal dust from the canister from clogging the N-80. ?Simple and cheap, and readily available, and you can see into the filter- replace when it is obviously dirty. Happy Trails.
Phil B 2003 EV WE 321kmi
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