97 z71

Asked by Oct 15, 2016 at 01:36 PM about the 1997 Chevrolet C/K 1500

Question type: Maintenance & Repair

When I press my brakes the truck idles up
and then starts running like crap and u can
hear air blowing while ur foot is on the
brake is that a vacume leak or what?

4 Answers


Yes check all your vacuum hoses from the master cylinder to the motor


(The brake booster)


You going to need a brake booster. If it looks like the rear of the master cylinder has been leaking into it the you'll need that too


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