Need vacum hose diagram for airconditioning and brake systems - 1990 GMC Safari

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Need vacum hose diagram for airconditioning and brake systems - 1990 GMC Safari

elevator

07-15-2005, 04:16 PM

1990 GMC Safari
The rear air conditioner in the back is out and I am told that the vacum lines are to blame. Does anyone have any diagrams showing where the vacum lines are and what they do.

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