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Car Forum / Saab Cars / October 2004

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What is Plastic Tank Above Rear Inner Wheel Well?

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madison41 - 05 Oct 2004 20:40 GMT
What's that plastic tank above the driver side inner wheel well, in the
trunk of my 1992 Saab 900 trubo? It has a hose that seems to be
disconnected to it. What is it? And what does it do? Helpo, and thanks.
MH - 05 Oct 2004 20:46 GMT
> What's that plastic tank above the driver side inner wheel well,

What side is your driver side?

>  in the trunk of my 1992 Saab 900 trubo? It has a hose that seems to be
> disconnected to it. What is it? And what does it do?

I do not know about the trunk, but my '87 900T has a white plastic tank in
the right front inner wheel well, it is a vacuum buffer tank, right next to
the power steering oil reservoir. It has one rubber hose running to the
intake manifold and one disapearing behind the dashboard to the ventilation
control valve.

--
MH
'72 97 '77 96 '78 95 '79 96
'87  900T8
Paul Halliday - 05 Oct 2004 21:00 GMT
>> What's that plastic tank above the driver side inner wheel well,
>
[quoted text clipped - 8 lines]
> intake manifold and one disapearing behind the dashboard to the ventilation
> control valve.

The vacuum canister is in the trunk/boot on a cabrio.
It's purpose it to supply "power" to the cabin air vent controller.

Paul

1989 900 Turbo S
http://saab.go.dyndns.org/
madison41 - 05 Oct 2004 21:19 GMT
It's actually over the wheel well in the back left, behind the driver's,
and can be reached from inside the trunk. I have a gas smell in the car?
Wondering if it might have something to do with that. Maybe vapor
recovery??
Dave Hinz - 06 Oct 2004 15:18 GMT
> It's actually over the wheel well in the back left, behind the driver's,
> and can be reached from inside the trunk. I have a gas smell in the car?
> Wondering if it might have something to do with that. Maybe vapor
> recovery??

That's what I was thinking.  Is it black?
Dave Hinz - 06 Oct 2004 15:17 GMT
> What's that plastic tank above the driver side inner wheel well, in the
> trunk of my 1992 Saab 900 trubo?

It depends on what side of the car your steering wheel is on?  What country
are you  in please?

> It has a hose that seems to be
> disconnected to it. What is it? And what does it do? Helpo, and thanks.
Could this be a fuel evaporative canister or something of that nature?
What color & shape is it?

Dave Hinz
madison41 - 06 Oct 2004 22:00 GMT
It's actually white. Has a clear plastic hose going from the back into
under the car. Has another black hose about it going into the canister.??
Sleeker GT Phwoar - 20 Oct 2004 10:12 GMT
In article
<21493ceb11c1fa7856216ebf7b3f13cc@localhost.talkaboutautos.com>,
steve.milmore@cognos.com says...
> It's actually white. Has a clear plastic hose going from the back into
> under the car. Has another black hose about it going into the canister.??

That is the vacuum canister for the heater controls. It stores a vacuum
with a one way valve to operate the switch for the heater vents, when
the engines vacuum reserves are low or depleted for very short periods.
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