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Re: 06 93 Aero SAI Phmp Location? Posted by SWEDECAR [Email] (#112) [Profile/Gallery] (more from SWEDECAR) on Wed, 10 Aug 2016 16:49:22 In Reply to: 06 93 Aero SAI Phmp Location?, Johnny B, Wed, 10 Aug 2016 16:05:44 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Are you sure it is not the brake vacuum pump?
The SAI pump does not start to run until engine is started but the brake vacuum pump is energized as soon as the ignition is on.
When the fragile brake vacuum pipe from intake manifold to pump to booster breaks it can bleed off all the vacuum and the pump is trying its darnedest to keep the system under vacuum.
Disconnect the connector by right/front strut where the vacuum switch is and see if it stops buzzing.
Anders
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