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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 13, 2024
International Automotive Technicians' Network (iATN) - Members Only
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2016 Chevrolet Silverado 1500 LT 5.3L Vacuum pump or booster VIN: 3GCUKREC7G
The original problem was with the engine idling the brake pedal would get hard at times. Caught it acting up and checked the vacuum at the brake booster. It only had 3 inches of vacuum. Replaced the vacuum pump and now I have 25 to 27 inches of vacuum idli...
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