Boost control actuator - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

Trouble shooting + Test Procedures Need to trouble shoot whats wrong and need to know the best way to test for it? Here it is.

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Old 10-01-2009, 03:04 PM   #1
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Default Boost control actuator

Locate your boost control actuator (BCA) on the front of your supercharger near the throttle body.

Now locate this lever, it should move freely up and down. If you feel any binding it will need to be replaced. You will feel some resistance because of the vacuum chamber.
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