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[Stu.C]

I've an X30XE running standalone that's currently making more hissy noises than I'd expect (or remember from when it was in the car). My hearing's dodgy on the best of days, but I could at least tell there was a rush of air at the back of the 2-4-6 bank, as a starter for ten.


It seems that at some point the vacuum valve for the plenum multiram got a teensy-weensy bit bashed and has sprung a leak. The engraved part number seems to be 90466244, but I'm not coming up with much for that. Is there a different number I can search for, or a magic combination of keywords? Or if you happen to have a link to one I can just order, that'd be great too... 

[Doctor Gollum]

It should be the same as the front one if that helps you any

[GastronomicKleptomaniac]

If it helps any, my ex plod had a previous repair with putty that has lasted a decade. Only when I've started digging in has it started to crack... Might be worth a temporary fix?

[Raeturbo]

I got a similar valve from a vw in the scrapyard has served me well this last three years👍

[grifter]

Have you tried 90466214, sure that's the one listed for the x30 here - item 10:

https://vauxhall.catalogs-parts.com/#{client:1;page:part;lang:en;category:car;catalog:v94;group:g;groupsub:0;subgroup:58-1}#detail=90466214#10

[Stu.C]

It should be the same as the front one if that helps you any

Well, knowing it's there is tantalising but unfortunately it's not spare. 


I'll cap off that line to the plenum valve for the moment and see if that was all of it and silence returns, or discover I'm still chasing another leak...

[Stu.C]

Have you tried 90466214, sure that's the one listed for the x30

Aha, that code throws up a few more suspects from across the GM group    Funny how the supplier engraves one code, but the book lists something else - probably copied down wrong off a smudged fax or something twenty years ago!


Turns out I've also got one under the bonnet of my 9-5 Aero... 

[grifter]

Have you tried 90466214, sure that's the one listed for the x30

Aha, that code throws up a few more suspects from across the GM group    Funny how the supplier engraves one code, but the book lists something else - probably copied down wrong off a smudged fax or something twenty years ago!


Turns out I've also got one under the bonnet of my 9-5 Aero... 

There are some right weird anomolies with some GM part numbers, although at least they did do a relatively good part numbers system overall, and stamped most of their parts with the number. That's right Saab used the part as well.

[Stu.C]

Just to follow up on this in case anyone stumbles across it down the line - I found a suitable replacement solenoid valve in the stash from the de-commissioned SAI circuit. Exact same valve and works a treat once you hit 4,100 RPM ...