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Is it necessary to pull vacuum on auto ac system if all components are changed?
Wiki User
∙ 8y ago
Generally a good practice to. For one, you'll have air in the system, and you'll want that out of there. Secondly, you'll want to make sure it can hold a vacuum... very easy to forget to tighten down a clamp, install an o-ring, etc.
Wiki User
∙ 8y ago
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Why does your bronco stall?
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5
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Measuring a final system vacuum is done with the?
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try changing the distributor cap , Faulty emissions system components , Low or uneven cylinder compression pressures , weak or faulty ignition system , ( Vacuum leaks at the throttle body, intake manifold or vacuum hoses . spark plugs incorrectly gapped ? check the spark plug cables..if they're not in a specific order on the distributor its gonna miss fire..check your owners manual to see the timings
