vacuum
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2015 Tahoe LTZ - intermittent brake assist loss at low revs - vacuum pump??
Hi everyone, Need help with diagnosis a problem. I have 2015 tahoe LTZ with 100,000 miles. Recently i have observed that the brake pedal becomes hard at low rpms when i'm in slow moving traffic. and i believe the ABS also engages momentarily when this happens. This goes away quickly but has...- 2015LTZ
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- #chevytahoeltz brake pump tahoe vacuum
- Replies: 20
- Forum: Engine & Drivetrain
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2015 Tahoe LTZ - problem diagnosis
Hello everyone, A newbie here but I've found a lot of answers to some common problem from this forum. I have a 2015 Tahoe LTZ 5.3 4wd. Its done 97k miles now. Since new its been maintained by the dealership. I had some questions: 1. Between 60 and 65mph, there is a very faint whining sound...- 2015LTZ
- Thread
- #chevytahoeltz #tahoeltz abs afm brake bleed brakes vacuum
- Replies: 12
- Forum: Engine & Drivetrain
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intake manifold noise
Hello everybody, the last couple of weeks I noticed that I have a strange whistle sound coming from my engine, my first guess was the serpentine belt, but replacing the main belt didn't help, I took off the main belt and the AC compressor belt and let the engine run for a few seconds to be...- clemenshess97
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- 5.3 hissing intake manfold leak noise sound vacuum vortec whistle whistling
- Replies: 11
- Forum: Engine & Drivetrain
