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Old 02-10-2020, 02:25 PM   #1
Aspenglade
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2001 SL1
Default 2001 SL1 - Smoke Test

I would like to perform the smoke test and verify any leaks in the vacuum system.

Where or from what hose can I introduce the smoke?

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Old 02-15-2020, 01:38 AM   #2
TomM96
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Default Re: 2001 SL1 - Smoke Test

I suspect the cause of the zet response...
is the fact that it would be difficult to ascertain if exterior smoke were
disappearing, particularly since it would likely to disappear into a space which itself is, normally smokey (and inaccessible).

One possible test for vacuum leaks involves installing a vacuum gage, and assessing the degree of vacuum in the system.

A good scanner might give an indication.
Manifold vacuum affects EGR, and some other items (including fuel pressure via regulator in Gen2 Satturn S).

Old rubber vacuum hoses tend to deteriorate, but Saturn mostly uses Nylon plastic lines. Be careful if handle the plastic lines, as they embrittle and can break.

Prudence suggests checking connections at the FuelEvaporationCannister & associated articles, as valves.

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