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Vacuum pump replacement 2015 Yukon
I recently had a guy replace my vacuum pump on my 2015 Yukon 5.3. First time he tried it leaked oil along with the 2nd & 3rd try. I got it back yesterday and it still leaks. It’s only drops of oil not a stream, I’ve lost about half a quart so far. Why is this? Has anyone had a similar problem or...- YukonNewbie
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- Replies: 8
- Forum: Engine & Drivetrain
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2015 Yukon brake pedal being stiff
Does have a vacuum pump, I’m going to check vacuum pressure later today. If I see it’s weak then that’ll tell me what I need to know. Thanks for feedback!!- YukonNewbie
- Post #4
- Forum: Engine & Drivetrain
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2015 Yukon brake pedal being stiff
I recently bought a 2015 Yukon 5.3, previous owner had mentioned the brake pedal being stiff it’s not so bad to make it undriveable but definitely annoying. He had told me it was the power brake booster line he had bought the part and I replaced it but wasnt the issue. Before I throw money into...- YukonNewbie
- Thread
- Replies: 5
- Forum: Engine & Drivetrain
