Questions about A/C vacuuming
timd at chartermi.net
Mon Jun 7 14:07:01 EDT 2004
You may see 25" vac with the venturi vacuum if you're lucky.
Your results will be better if you get the engine compartment as warm as
prior to vacuuming- ie sunny hot day, run the engine with hood closed, etc,.
This will increase your chances of getting moisture out of the system
during the vacuum
cobram at juno.com wrote:
>The chances of pulling -30inches with a Venturi type vacuum and slim. As
>another Qlister said, pull vacuum for around 30 minutes, if you have a
>good volume commercial compressor, you should be down around -20inches.
>Close everything off and watch the dials. If after another half hour or
>so you're still have the same residual vacuum, then you can fill the
>system. If you lose vacuum, then you have a leak somewhere that has to
>be addressed first.
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>quattro at audifans.com
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