Did you ever experience the vibration "Chevy Shake"? Nevermind....just realized the truck in the video was an '07
Didn't mean to confuse you there. Also, I never mentioned anything about a line from the intake to the booster. I understand that the brakes don't pull from the engine, per se. However, the order of operations for brake pressure (atmospheric) is reliant upon the engines ability to spin the vacuum pump belt which in turn supplies/creates negative pressure within your booster Hence the reason why the brakes are failing at low or at idol speeds. If you were to put your vehicle in neutral and rev the engine, you will gain more negative pressure build up in your brake booster because the RPMs spin the vacuum belt faster thus creating negative pressure and the atmospheric pressure from pushing on your brake pedal will again feel soft. But no one is going to throw their truck into neutral while experiencing this. All this to say, I'm still in the dark as to how a programming will fix the vacuum pumps ability to keep a constant negative pressure without affecting the engine idle speed.
I'm not a certified mechanic nor have I stayed in any Holiday Inn Express hotels lately. That said, yes. The mechanical vacuum pumps sole purpose is to pick up the slack when your engine is operating in V4 mode because the engine can't sufficiently supply enough vacuum pressure to the brakes. I'm just guessing on this but, if you've deleted AFM or your vehicle doesn't have this feature than I would suspect you are less susceptible to encounter the "hard brake assist" issue.
SO last year I received a new replacement Vacuum pump from a recall. Now, I/we get a another recall regarding vacuum pressure for braking. This recall is meant to reprogram? I don't like hearing those words...reprogram. The honest reason that the vacuum pressure is lost is because of the cheap pump. The "Hard-To-Brake" situation is most likely felt by those that have Eco (4 cylinder). When your vehicle is in 4 cylinder mode it doesn't create enough power to boost your brakes aided by the vacuum pump. By doing just a reprogram, they're not actually fixing the problem. All they are doing is lowering the digital indicator that alerts the driver about a "Brake Assist Warning" that we all see on the DIC. 2014 - Current GMC / Chevrolet : Hard Brake Pedal
Boom! Condenser leaking, 2015 @ 26,133 miles. 3yr warranty came first. SMH Dealership negotiated price with GMC. 40/60. GM - $264.96, Me - $397.43. Such a scam, This part is failing on nearly every truck. If anyone is curios, the replacement condenser they installed has the square foil on it.
Subscribed. There is certainly a difference with the GB off but can't really tell what exactly is different. I will say though the shifting feels a little more timely.
While I appreciate your advice, I'd rather not waste my day going to a dealership for something that can be answered here. Subjectively or not, I'm quite capable of discerning feedback as it relates to my question. I will try and upload a video, as you suggested, but that might give me false hope. The AV input for the camera might be (s-Video) or something low end like that, who knows? If that's the case, then we're all stuck with a crappy video output. I would just like to know prior to spending money on trying to improve the quality of the camera feed.
The display unit has a very bad image quality to it and I can't figure out if its either a cheap screen or a cheap camera. Can someone chime in and let me know if its one or the other. If the rear-view-camera is sending low megapixels, then I might just purchase a new RVC that has a better megapixel and replace the stock but this won't do anything if the LCD/HID unit only displays in low pixel density. My wife has a new Hyundai Santa Fe and the display/image quality in her car is way clearer and more crisp than our trucks RVC.
Would honestly like to hear this info as well. I'm sitting at the dealership right now waiting for them to come out and tell me "Sorry, but we couldn't really do anything to fix the problem". The Infotainment system on my 2015 Double Cab is pathetic. The lag when performing the most basic tasks is reminiscent of windows 95 after four years. Changing stations, going from nav to weather to Audio to Nav, ect.; the system lags. The lag also affects the backup camera. There are times when the backup camera comes on after I've backed up and shifted into drive. This alone should be cause for concern on GMC's part since the backup camera is a safety feature some with sensors alerting you to objects in your path. What good is that if you back into something and then hear the sensor. (just imagine that happening to someone with a short temper). Aside from the infotainment system, the truck is a wonderful achievement in engineering. Smooth ride, comfort in the cabin, great power. Though I've still yet to see the MPG be where its advertised at, around 18?? Anywho...sorry to get off topic. I just wanted to chime in and say that I'd like to be in on this curiosity of an update?
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