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2014 GMC Sierra Denali 6.2 brake booster vacum low at idle

Abdulla Muhsen
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Abdulla Muhsen Enthusiast

Abdulla Muhsen

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I found the brake pedal in my GMC Sierra 6.2 model 2014 is hard at idle after 2 to 3 presses. I cancelled the original vacuum pump line and connected the brake booster to the intake manifold vacuum source. The old line was covered with air filter element to avoid dirts to enter the vacuum pump.

Now the problem is completely resolved. Is there any other options? Anyone tried this idea and appreciate if can share his experience and feedback. 

 

Regards,

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