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  1. Engine & Drivetrain
    New here, so thanks in advance for any help! Long story short, was at a stop light the other day, stepped on the gas and my car turned off. I threw it in park, turned the ignition again and it started right up and drove home no problem. A short time longer the check engine light came on, so I...
  2. Terrain General Discussion
    my oem hancook tires are toast right at 32k in my wife’s 2018 Denali Terrain. I went out a few days ago and got pirelli scorpion a/s tires and man they are loud on the highway. What is everyone else doing for 235/50/19 ?? I see some yokohama yk740 and some michelin primacy touring im still...
  3. Interior & Electrical
    After work, I started my Terrain and noticed the HVAC wasn’t turning on and up. I then had lights sporadically turning on and off. Brake, ABS, traction control, engine lights would blink along with a Stabillitrak, Tire Monitor, Blind Spot, or Backup Sensor DIC warnings (take your pick). Then...
  4. Brakes, Suspension, Wheels & Tires
    Have an intermittent issue with my front right wheel heating up significantly. One trip it will seem normal and the next I notice what seems like the brake dragging and the wheel getting hot. I have fairly new pads on, had serviced the caliper by replacing the piston and pins, lubing, etc...
  5. Brakes, Suspension, Wheels & Tires
    Cadillac SRX calipers and pads, CTS rotors (J55 brake code) I think these are for the CTS-V 3 years after first dreaming up this set up, it's finally done. I did a mock up video three years ago but here is the installation video. Watch the video here!
  6. Interior & Electrical
    I have a 2014 Terrain with 30K miles. It was our grandma's car that wasn't used much and has mainly been in Florida. Recently both aux ports quit working and also the shifter gear lights are not working. I have checked all the interior fuses and everything looks ok. Is there possibly a fuse...
  7. Terrain General Discussion
    I bought a 2021 GMC Terrain SLE in Aug 2021. And there were rattling sounds from over the front passenger seat and center of the front seat which has lights and a sunglass case. I got services at GMC center three times. But it was not fixed. The sounds are annoying me every time. Is it...
  8. Terrain General Discussion
    I have a 2014 Terrain SLE. The tire pressure light came on indicating a low tire pressure in the front right. I added air and the light did not go off. I compared it to the other tires and 3 of the 4 tires all registered the same, and that included the one the light said was low. In a day or...
  9. General Tech Section
    Hey, so I'm trying to get this information for a friend. He has a 2017 GMC Terrain with stock tire size 235/55R18. Due to where he is, that size is not available. He wants to know whether he should go up to 235/60R18 or down to 235/50R18. I've done some googling and I can't find that much for...
  10. Terrain General Discussion
    Hi guys. I’ve had my 2010 GMC Terrain for some time now and it’s racked up 140,000 miles. Recently, it will not shift past 2nd or 3rd gear and rpms will shoot up. I pull over, turn the car off, then back on, and everything is fine. Anyone know what the issue could be? I want to try and replace...
  11. Audio, Video & Nav
    Hey all, Im a first I'm gmc terrain owner and was curious. Has anyone had an issue where the favorites on infotainment erased each time it start up? I have a separate issue where it tells me sirusxm radio has no signal, but I believe it'd an issue on sirusxm side. Thanks!
  12. DIY & How-To Discussions
    Hi y'all! I've had my GMC Terrain Denali for a little bit over a year now with about 18k on it, first and only owner this car will have. I typically do all sorts of mods with my cars (lifts, spacers, ecu tunes, lights, radios, ect.) But I do plan on leaving this vehicle fairly stock for as...
  13. New Member Section
    Hello everyone My name is Ayman This is my first post I just bought a GMC terrain 2014 2.4L a few months ago Car mileage(50,000 miles) 80,000 km (a bit less I just rounded the number and the converting is not accurate) Currently I am having issues starting my car is not cranking and wont start...
  14. General Tech Section
    Hoping someone can help me out: Why on one side of the Terrain is the DRL only lighting up on the top and not all around that horseshoe shape like the other side? See photo for the issue. Any help is appreciated.
  15. Engine & Drivetrain
    Hey everyone, I just recently rebuilt a 2019 terrain with the 1.5L engine in it and on my first test drive I got a P0234 code for overboost. The car only has 8k miles and has been sitting for probably close to 6 months so im thinking the waste gate may be stuck or something is just sticky. This...
  16. Audio, Video & Nav
    I've seen a lot of good info on here so decided to finally join. I have a 2018 Terrain SLT Non-Bose system. I purchased 4 new speakers (JBL GX Series). 6"x9" in the front doors and 6.5" in the back doors. I already know the amp I will need has to provide 50-60 watts per channel but my question...
  17. New Member Section
    2012 Terrain check engine light comes on starting with 2 codes p0030 n p0036 went to fix them and more codes show up p0097, p0141, p0443 n p2199. Fixed the first 2 O2 heater sensors n replaced Mass Air/IAT2 sensor but when you clear them after 15 minutes or a restart they all come...
  18. Terrain General Discussion
    Went to do an oil change and noticed afterward that the 5W-30 oil I had purchased was Dexos 1 Gen 2. Will this affect my engine and what oil do you recommend from personal experience for this vehicle.
  19. General Tech Section
    I am about to lose my mind. 2015 GMC Terrain about 70,200 miles. No lights appearing on dash. This past Wednesday went to grab a few things, stopped, continued on and when came out with groceries battery was dead and had to be jumped. I let it run almost 30 minutes as I figured out where to...
  20. New Member Section
    I'm going to have a subwoofer installed in my 2020 Terrain soon and I am worried that the ANC may cause an issue. I have only come across 2 videos with a 2018 & 2019 showing to disable the rear mics in the headliner. But in the videos, those were the only mics in the cars. I have a total of 4 in...
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