Re: 73 Jav vac cannister

[farna@xxxxxxx]

Vacuum canister or charcoal filtering canister? If it's indeed a vac anister leave it. It's a storage device. Should have two fittings, basically an input and output. These should be one-way valves (at least the input should be). Simple test -- you should be able to suck air out of it but not blow in. Both may have one-way valves, or the valves may be an insert in the hoses. If you can blow and suck on a short hose connected to the input and output disconnect the hose at the other end and check it. If no one way valves the canister will not store vacuum properly and will leak down. 

To see if it's a charcoal canister check the bottom. Should be cut out, not solid, with a filter over the openings. There will also be three vacuum lines attached, not two. You can still buy filters for the bottom of the canister. I don't know how they come apart, a TSM should instruct on servicing. There are probably one-way valves on this too, but I don't know which lines would have them. 

On April 6, 2005 Todd Wallis wrote:

> I'm cleaning up the engine compartment on my 73 Javelin while the engine is
> out.  What is the conventional wisdom about leaving out the vacuum canister
> on the on the left shock tower.  After all these years is it still even
> working properly?  Thanks for any input.
> 
> Todd Wallis
> 
> 
> 
> 
> 
> 
> 
> .


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