I'm not sure I'm posting in the right area. Forgive me if so.
I dont know a whole lot about cars but my boyfriend is having some issues with the back brakes on his Yukon. I believe they are drums. But he looked at them tonight & it seems that a big chunk of one of his brake pads has broken off. He says they keep losing up or something. Like they have a self adjuster thing on it that is supposed to tighten up as the brakes wear down. But it doesn't seem to be adjusting. Just getting looser. Would anyone have any clue why this would be happening? Could it be the wrong size on there??
Auto Zone says either 10 in or 11 in. 11 in was what was on there b4 he changed them, but could that have been wrong? Maybe previous owner had wrong ones on there?
Sorry if this is confusing. Any help would be appreciated.
It's a 1999 Yukon
I did a coolant flush on my 5.3 '03 Sierra and changed the fluid from green to Prestone orange coolant. I had mild overheating issues prior to the flush, so I figured flushing the coolant and changing to orange Prestone might help (I did the same exact thing in my '04 GTO with LS1 and haven't had overheating issues since forever).
Now the temp always goes above midway, and here's the thing... It does the same thing even on the HIGHWAY with fans on high speed, and it sometimes goes down in traffic only (basically when I'm not giving the engine any acceleration).
I changed the coolant again with dexcool, and did an air bleed, changed the temp sensor and thermostat two months ago, and cannot see any leak from the pump but still nothing is helping.
I'll note that the green coolant didn't look dirty when it I flushed it out, and that it only heats up when I'm accelerating.
Im sure this might have been covered someplace else but i couldnt find it. I have a 2015 gmc sierra 2500hd sle. The person who owned it before me installed cheap aftermarket tow mirrors and they jiggle all over the place on the highway. I would like to get some better quality mirrors. I'm just wondering if my truck supports the marker lights, blinkers, and reverse/cargo lights plug and play without making my own connections.
First post here and I wasn't quite sure where to post. This isn't really troubleshooting because we know what is wrong, I'm mainly wanting to know if there are large scale issues regarding this and how do we get in touch with GMC about it as our mechanic isn't much help at this point other than charging $1100 to fix it.
We bought a used 2015 GMC Yukon last year with 20k miles on it. A month ago, the Side Blind Zone alert on the side mirrors came on and have stayed on permanently, even when the car is turned off. Because of that, it drains our battery when the car is parked longer than 2-3 days. I took it into the shop a couple of days ago and we find out that the box that houses the sensors, in the right rear quarter panel, had become detached and was dangling close to the exhaust pipe. Because of this, it totally melted the box housing the sensors. The mechanic tells us that the sensor box is only glued in and can become detached easily. This is costing us $1100 to fix because the sensor is over $300, and then labor for the past 2 days to get it back in place.
Is there a thread in here from others who have had this issue? Is this a wide spread issue? Should GMC pay to fix this and if so, what are my next steps?
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