[xj] Vacuum Leak Tester

Gentlemen, I need to know all about this instrument. Any links, whatever,
pls email me direct.

My idle has suddenly gone up another 200 rpm and I suspect a leak, and this
instrument sounds the way to go.

Fazal
MEL/Oz
82 XJ6
www.jonat.org===================================================
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I checked at my local shop and nobody seems to know what I’m talking about.
Any one know of a web site or other source that I can find out some details?

Fazal
MEL/Oz
82 XJ6
www.jonat.org===================================================
The archives and FAQ will answer many queries on the XJ series…
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Fazal,

Have a look at www.snapon.com and www.mityvac.com. Snap-on carries vacuum
pumps, gauges, a pressure gauge set, and a wide variety of other choices.
Search with a “vacuum” keyword and you will see what I mean. Mityvac is a
manufacturer and their products are carried by a number of different vendors
(in fact, I believe Snap-on and others may also carry a re-labeled version
of one of the more popular mityvac products).

Jim

Fazal wrote:
I checked at my local shop and nobody seems to know what I’m talking about.
Any one know of a web site or other source that I can find out some details?===================================================
The archives and FAQ will answer many queries on the XJ series…
FAQs: http://www.jag-lovers.org/xjlovers/xjfaq/index.html
Archives: http://www.jag-lovers.org/lists/search.html

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At 22:56 2003-06-12 +1000, Fazal Cader wrote:

I checked at my local shop and nobody seems to know what I’m talking about.
Any one know of a web site or other source that I can find out some details?

Perhaps you could indicate what it is you’re trying to test?

For engine tests, a careful application of the unlit tip of a propane torch
to the areas you suspect are leaking should cause the idle to go up if you
have a leak. Spraying a light oil, such as WD40 should momentarily seal
small vacuum leaks.

For vacuum lines and devices (such as A/C servos and the like), you can use
a handheld vacuum pumps such as the “MightyVac”. With such a device, you
could connect it to the line to be tested and pull a vacuum. As long as
the vacuum is intact, the vacuum level should remain until you hit the
bleed valve on the pump or disconnect it.

For pulling vaccum for A/C tests, one threads a connector to the input of a
compressor (in place of the air filter on the compressor pump), and runs
the compressor to pull vaccuum that way, with the other end of that hose
connected to the HIGH SIDE of the automotive compressor. You leave the LOW
SIDE gauge from the A/C manifold set connected - that gauge should nearly
always be able to register VACUUM (rather than ONLY pressure). Disconnect
the quick disconnect from the external compressor when you’ve reached
sufficient vacuum. Obviously, something you only do when the system has
been evacuated of refrigerant.

If the above doesn’t answer your question, please elaborate on what “vacuum
leak tester” you’re referring to.

http://jaguar.professional.org/
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