Date: Mon, 10 Mar 2003 08:54:15 GMT From: Paul Halliday <pjghnopsamyonder.co.uk> Subject: Re: Orca finally swallowed that duck ...
in article MPG.18d65c75e41f10f198a24anopsam.cis.dfn.de, MeatballTurbo at carl.robsonnopsamcing-czechs.com wrote on 10/03/2003 08:25: > In article <BA914C8C.4306%pjghnopsamyonder.co.uk>, pjghnopsamyonder.co.uk > says... >> The air-vent canister valve has finally gone caput. >> >> On closer inspection of the valve, there is some diaphragm (?) rubber stuck >> out through the vents. I get no pressure at all to the air vents. I've not >> yet pulled the canister out, or the valve off - didn't see much point, since >> it's knacked. What else does this canister hold vac for? I don't have ABS or >> cruise. > > I think what happened to mine is, after I stretched the spring (maybe > not though) to get rid of the quacking, the three slots burst, I guess > that are designed as a weak point to go if there is a problem. It was the three slots where I saw slivers of old rubber - did the valve have a diaphragm at the top? <snip> >> Would it be better to pull the vac pipe (the one connected to the valve) off >> and cap it off, or just leave it on the busted valve. I don't want to blow >> the canister as well under turbo pressure - or does a busted valve hold no >> pressure whatsoever? > > I capped both, with two screws, cable tied in place. No probs so far. > BTW, when it went did you lose boost power on the gauge, or did the way > the gauge displays change? the idle point for the needle on mine changed > when the canister/valve went. I still get the same boost as before and the needle operates the same. Go figure that one :) I think my boost gauge is served from a Y connector (which also has a larger pipe to the brake servo) next to the vac canister connector on the intake manifold. I did some tentative squeezing on that pipe once in the hope of finding the best place to route a graduated turbo gauge from - I still haven't found a decent gauge yet though :( Paul 1989 900 Turbo S http://saab.go.dyndns.org/
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