Re: Need help connecting vacuum tank in trunk - Saab 900 Bulletin Board - Saabnet.com
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Re: Need help connecting vacuum tank in trunk
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Posted by Goblin [Email] (#2224) [Profile/Gallery] (more from Goblin) on Tue, 19 Jul 2022 12:25:29 Share Post by Email
In Reply to: Re: Need help connecting vacuum tank in trunk, Volvo74, Tue, 19 Jul 2022 12:09:34
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I have a 1987 convertible and it's hooked to both of them in the right front passenger fender. I also have a 1990 convertible and of course it is in the trunk and only has one black line hooked to the small fitting. Everything works on 1990 and the AC blows cold. At one point in time I did have a vacuum leak and a one-way check valve out in the engine compartment went bad and started causing me to center vents not to blow correctly under boost. I replaced the one-way check valve underneath by the windshield wiper and all was well. Ive not checked it out yet but I think they probably just use the same white canister over the years and eliminated hooking up one to the one-way check valve and started using the one-way check valve underneath the windshield wiper to do the same thing as the one way check valve in the white canister. That's just my thought. I've had the trunk area apart before and never noticed another hose running back there to the one-way check valve on the white canister. But I could be wrong. Car drives great it's got over 200,000 Miles. I took it all apart when I first got it in 2013 replaced everything. Put it all back together been driving great ever since of course now it's got some oil leaks that I need to pull the motor back out and address. I think just hook the hose up to the small line on the canister and you should be good. Let me know how it works out.

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