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Old 09-08-2003, 09:59 AM
sbourg sbourg is offline
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Join Date: Jul 2001
Location: SoCal
Posts: 1,303
Lock 'vacuum' has nothing to do with the engine. The pump is under the rear seat, and supplies either positive air pressure or vacuum to all the locks at once when it receives the appropriate electrical trigger from one of the front door lock switches or the trunk.

'91 MB 190E 2.3
'08 RAV4 Ltd 3.5
'83 Lazy Daze m'home 5.7
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