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Vacuum Canister
#1
I'm taking my front end apart to be replaced and when I removed my vacuum canister I could hear the rust in it. Has anyone taken it apart and cleaned it out? Or do I need to get a new one? Huh

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#2
ok question.. there are 2 canasters on the passanger side one on the fire wall its filled with charcoal..that one they do not make any more and e-bay u might find one but good luck there is another one on the shock tower and i have an origional one for my car thats layin around some whrere or u can go to classicautoair.com and they have them for like 30-40 bucks i think


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#3
homelessmexican;33075 Wrote:ok question.. there are 2 canasters on the passanger side one on the fire wall its filled with charcoal..that one they do not make any more and e-bay u might find one but good luck there is another one on the shock tower and i have an origional one for my car thats layin around some whrere or u can go to classicautoair.com and they have them for like 30-40 bucks i think
This would be the one on the shock tower.


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Just cruising along minding our own business when BAM!!! The LAWS show up.
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#4
That´s not rust Mark!... The cannister is full with some little chips (dont know why or what for) and if yoku shake it, it sounds like very little stones inside... I think that is what the "purify" the emmisions or whatever... But it is just like this...

When i painted mine, i turned the cannister over and some of that little stones fell from the inside... My mechanic friend told me it is what the cannister supposed to have inside to actually work so dont worry about it!



Damián Cool

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#5
Thanks. Didn't want to mess it up. goodjob

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#6
There are two canisters that are on the 71-3 Mustangs, a vacuum canister for A/C equipped cars and a charcaol vapor canister that is on all cars.

The charcoal canister is mounted on the fender apron, below the P/S hood hinge, is painted blue and has one small hose connection and one larger tube connection. It is filled with activated charcoal. The purpose of this canister is to catch the fuel vapors from the gas tank and hold them until the next time the car is started. The small hose connection goes to the steel line on the firewall, which runs to the vapor separator on the tank. The large connection is attached to a paper/foil hose that is connected to the air filter housing. There is a plastic vent cap in the middle of the canister, which allows fresh air to enter when the engine starts, purging the vapors from the canister.

The other canister is attached to the rear of the P/S shock tower. This is the A/C vacuum reservoir, whose purpose is to hold a reserve of vacuum to keep the operation of the system constant. The A/C system is vacuum powered and if vacuum suddenly dropped, it would allow the vacuum motors to relax and change the settings of the system. There are two connections on this canister, a medium size that is connected to manifold vacuum, typically at a vacuum tree ont he firewall, and a much smaller nipple that has a hose that goes through the firewall to the A/C selector switch in the dash. There is another small hose of similar size coming through the firewall, this hooks to the flow control valve on the heater hose.

That being said, if your vacuum canister holds vacuum, then don't worry about the rust rattling around inside. Clean it up, repaint it and return it to service.


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#7
Hemikiller,
I already know what Tkfastbk is going to say so I will beat him to the punch. It sounds like your telling me this is for an A/C car or it may be that they moved it to the backside of the shocktower due to rusting Tongue. My controller inside is for non A/C but may have been changed.
   

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Just cruising along minding our own business when BAM!!! The LAWS show up.
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#8
I have neither of those in the car. I don't have A/C and I guess the guy who did the engine swap got rid of the charcoal one.

Eric


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DRIVE IT DON'T STORE IT!
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#9
O.K. now I'm more confused than ever!!!

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Just cruising along minding our own business when BAM!!! The LAWS show up.
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#10
Mark, the pic you posted shows the charcoal canister that goes on the fire wall. It has carbon in it and does not need to hold a vacuum.

The one that needs to hold a vacuum is the A/C canister. If you don't have A/C then you don't need this one.

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