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Unread 04-27-2015, 10:40 PM   #1
merlin7782
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1997 wrangler vacuum canister replacement options?

Need a new vac canister, is there any replacement options for these since you can't buy them new anymore? Will the one off newer TJ work?

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Unread 04-28-2015, 02:58 AM   #2
Jonny Jeep
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I don't know if you would need to do anything with the hose sizes but later model canisters might work. I don't know exactly how the vacuum hoses connect as there's nothing showing in the FSM. It just states the vacuum diagram is on the sticker under the hood. You might need to see a hood sticker of a later model to figure out which hose goes where on the later canister if the canister itself is not marked in any way.
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Unread 04-28-2015, 04:19 AM   #3
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Originally Posted by Jonny Jeep View Post
I don't know if you would need to do anything with the hose sizes but later model canisters might work. I don't know exactly how the vacuum hoses connect as there's nothing showing in the FSM. It just states the vacuum diagram is on the sticker under the hood. You might need to see a hood sticker of a later model to figure out which hose goes where on the later canister if the canister itself is not marked in any way.
Isn't the 1997 canister unique as to its round shape and might require a bit of mounting modification if a newer canister is used?...
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Unread 04-28-2015, 05:33 AM   #4
Athensdawgs81
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Anything will work really, you could technically use a coke bottle so long as you create the vacuum. I wonder if any other Chrysler vehicles used the same canister as your model Jeep. Any canister will do, just take the new canister to the vacuum section at your local parts store and find all the right fittings to convert your line size to the new canister. They usually have a fitting for almost any application.
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Unread 04-28-2015, 04:48 PM   #5
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Originally Posted by Knuckelhead View Post
Isn't the 1997 canister unique as to its round shape and might require a bit of mounting modification if a newer canister is used?...
Correct. But if a new canister is required, needs must.
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Unread 04-28-2015, 09:17 PM   #6
Knuckelhead
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Originally Posted by Athensdawgs81 View Post
Anything will work really, you could technically use a coke bottle so long as you create the vacuum.
How would a coke bottle satisfy the environmental function of the OEM canister?...
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Unread 04-29-2015, 07:31 PM   #7
Curly5759
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Originally Posted by Knuckelhead View Post
How would a coke bottle satisfy the environmental function of the OEM canister?...
There is no environmental function for the vacuum canister, are you thinking about the charcoal canister?
The Vacuum canister on the 97 (maybe others) is a unique shape, kind of like a large cigarette package with the vacuum hose coming off of one of the thin sides. I just saw mine last week for the first time after taking off the battery box to clean it. The vacuum canister is tied into A/C and Cruise only, with a check valve right at the "T" junction.

OP-- Any vacuum canister will work if you can figure out how to mount it.

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Unread 04-29-2015, 08:25 PM   #8
Athensdawgs81
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The coke bottle was a touch of sarcasm. But yes, technically any seal container will work, so long as you can create a sealed vacuum. Now a coke bottle is probably not strong enough to do this with out completely imploding but any container that can hold up to the pressure, so long as you can make a seal will indeed work. There are some after market ones out there. They look like tin cans with the adapter on top.
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Unread 04-29-2015, 08:51 PM   #9
merlin7782
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I guess it's actually the charcoal canister.. it's causing a vac leak thats throwing a code..
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Unread 04-29-2015, 09:36 PM   #10
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Quote:
Originally Posted by merlin7782 View Post
Need a new vac canister, is there any replacement options for these since you can't buy them new anymore? Will the one off newer TJ work?
Quote:
Originally Posted by Knuckelhead View Post
Isn't the 1997 canister unique as to its round shape and might require a bit of mounting modification if a newer canister is used?...
Quote:
Originally Posted by Knuckelhead View Post
How would a coke bottle satisfy the environmental function of the OEM canister?...
Quote:
Originally Posted by Curly5759 View Post
There is no environmental function for the vacuum canister, are you thinking about the charcoal canister?
The Vacuum canister on the 97 (maybe others) is a unique shape, kind of like a large cigarette package with the vacuum hose coming off of one of the thin sides. I just saw mine last week for the first time after taking off the battery box to clean it. The vacuum canister is tied into A/C and Cruise only, with a check valve right at the "T" junction.

OP-- Any vacuum canister will work if you can figure out how to mount it.

Curly
Quote:
Originally Posted by merlin7782 View Post
I guess it's actually the charcoal canister.. it's causing a vac leak thats throwing a code..
That's what I thought you were talking about. Must have been a momentary Vulcan mind meld moment...
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