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Worn bands can cause slipping and need to be adjusted or replaced by a skilled mechanic. Torque converter: This bad boy transfers the engine’s power to the transmission. A faulty torque converter can cause slipping and poor performance. Get your mechanic to check the torque converter and replace it if necessary.We start to accelerate and the car moves, then there's a hesitation in the acceleration. Pressing the gas pedal further gets it out of this lull, as will waiting for a 1/2 second with the gas pedal in the same position. We purchased the Acadia on December 21, 2012, and it has exhibited this problem from day 1.My 2nd GMC Acadia, 1st was 2008, very pleased, traded in w/160K, and bought 2012. 2WD, Charcoal, now 95K+ miles, since Aug 2012. For almost 30K miles now, hesitation, shuddering when climbing hills, especially over 40Mph. RPM vary 100-200, hit pedal, RPM to 3000, smooths drive. Brought to dealer several time, no codes at all.The GMC Acadia and Saturn Outlook crossovers were both based on GM's front-wheel-drive, unibody Lambda platform. The Lambda vehicles -- which also included the Chevrolet Traverse a...This fixed the shuddering nearly completely at 15-25mph going up slight inclines, yet not for hills or highway on-ramp @ 40-60mph. The noises, RPM shake, when accelerating onto Highway the RPM goes up and down in range of 200-400rpm, it also does it when going up hills at 60-75MPH. (Hills fluctuate from 2000rpm to 1600rpm in 1-2 …3 Vehicle Shudder problem. Failure Date: 02/23/2013. Tl-the contact owns a 2008 GMC Acadia. The contact stated while driving approximately 40 mph, the vehicle began to shake and decelerated to 10 mph independently. The engine then stalled. Upon restarting, the transmission failed to shift into reverse. The contact was able to resume in operation.1 post · Joined 2019. #1 · Feb 21, 2019 (Edited by Moderator) I have a 2012 Acadia SLT and we have been experiencing some engine shudder around 1200-1800 RPM at speeds from 30-45mph. I have taken it to my mechanic once and he changed 6 spark plugs and #3 coil. We picked it about a week ago and it still had the issue going on.Just bought a 2012 GMC Acadia with117k on it. Mint condition cosmetically and seemed to drive fine until yesterday. It seems when I'm doing about 40 mph or 60 mph the RPMs drop between 1700 and 2100 and I get the shudder/buck. If I let off the gas or accelerate it powers through but when at steady speeds in traffic it gives those issues.Sep 8, 2019 · The reason your GMC Acadia shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the vehicle into gear, the torque from the engine will hold it against the frame. It can be very jarring when your GMC Acadia shakes when idle. In this article, I have explained the most common causes of a car sputtering when accelerating and how to address them. 6 common problems that are responsible for a “car idles fine but sputters when accelerating,” including a faulty fuel system, faulty mass airflow sensor, worn spark plugs, a faulty throttle position sensor, faulty ...Nov 1, 2019 · Here are the most common issues that cause your Acadia to jerk when accelerating: 1. Misfiring Engine. A few things can cause an engine to misfire. More often than not, it’s going to be the spark plugs or coil packs that are the culprit. A misfire is the most common reason your GMC Acadia jerks while accelerating. Jul 18, 2023 · My 2017 Premiere (180,000 miles) has a terrible shudder on acceleration but it doesn't do it all of the time. I was driving up to NY from FL and my check engine light came on and it threw 4 codes (P0174, P0171, P0442, P0496) for the purge solenoid valve, so I changed that when I got to NY. It is now giving me p0138 code. If your Acadia’s engine appears to be working extra hard to get you moving, that indicates the parking brake is stuck. It could also mean that one of your vehicle’s brakes is stuck. This happens when there’s a crimped brake line, bad caliper (disk brakes), or faulty wheel cylinder (drums). When this happens, your Acadia may pull to the ...2013 GMC ACADIA 96,000 miles -. Complaint - Most common reappearance is at -->. 1,800 RPM. 40 MPH. Under slight load. 5th gear (not exact) 5-20% Throttle (not exact) -->There are no codes in any monitors completed visual inspection of filters and sensors and tried different gas station of a couple weeks. Ran 4 tanks of 93 octane with Lucas oil ...Shudder, Engine, Tire, or Driveline component related conditions. 5751608 The graph above depicts a normal frequency. 5751612 The graph above depicts a degraded frequency or shudder. Note: Any vehicle that returns with suspect shudder should be diagnosed utilizing published diagnostics, GDS, PICO Scope or other diagnostic tools.Sep 24, 2019 · 2008 gmc Acadia shudders under acceleration usually at speeds below 60. It doesn’t happen every time I accelerate, but most if the time. Codes p0752, p0420, p0700. My 2012 Enclave, with 117,000 miles, started to shudder intermittently during slight acceleration or when climbing a grade. It did not shudder when under constant speed on level terrain or downhill. After reading responses to this issue in this forum, I first attacked the easier task of changing spark plugs.The shudder got worse after the drain so I get 2 tubes of Lubegard Dr. Tranny Instant Shudder Fixx. The transmission shudder is reduced to the same level as before the transmission drain. I see on the forum someone has concocted an anti-shudder cocktail of 2 r. Tranny Instant Shudder Fixx, 1:XADO EX120, 1:Lubegard 60902 Automatic Transmission ...My problem presents itself when I'm accelerating at lower speeds, let off the gas a little and then re-accelerate. The transmission feels like it slips momentarily and then re-engages with a sudden jolt/clunk. Some important things to know are that the 3-5-R waveplate was replaced preemptively 5 years ago (before it could ever go bad).2015 GMC acadia shudders and hesitates under heavy acceleration, symptoms started when ABS and stabilitrak started acting up as well, when thje computer hasan"t cut the …1 post · Joined 2009. #1 · May 12, 2009. I have a 2007 SLT. We recently went on a trip and the check engine light came on. My husband was driving and after the light came on, we were having problems taking off after a traffic light. He would press the accelerator and the engine would rev up like it was in neutral and the car would not move ...

August 22, 2022 by John. If your GMC Acadia is shuddering when you accelerate, it’s likely due to a problem with the torque converter. The torque converter is what transfers power from the engine to the transmission, and if it’s not working properly, it can cause all sorts of problems. Fortunately, there are a few things you can do to try ... 2007 GMC Acadia SLT-2, 'HiYo' Silver outside, Ebony/Titanium inside, no NAV, no HUD, no errors. Save Share. ... This is Dans2009Acadia and I made a post on July 24, 2016 related to our 2009 Acadia Transmission or Drivetrain Shudder. The car had never given a CODE or Service Light. I took the vehicle to a local repair shop with good …If you accelerate quickly it is not noticed, but makes a sort of a howling sound. There are no CEL lights or codes. The tech checked that and was not charged for his time. He is aware of the wave plate issues and said it could be the start of that. He also suggested it could be a clogged catalytic converter. Any ideas? Coil pack??I traded in the 2012 after the timing chain didn't even correct the problem. Dealership blew the engine shortly after my trade, found a faulty crank shaft bearing was to blame for that problem. They installed a new engine and have told me that the hesitation / shudder has gone away. Talking to the salesman that I purchased my 2017 Acadia from ...

Bulletin No.: 20-NA-227. GM bulletins are intended for use by professional technicians, NOTa "do-it-yourselfer". They are written to inform these technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools ...The GMC Acadia’s six-speed transmission is the subject of recalls and TSBs for serious failure and unreliability in 2007-2017 models. 2007-2008 Acadias experience early transmission failure, 2009 models suffer from broken clutch plates and hard shifting, while 2013 and 2017 years are plagued by faulty solenoids and shift to park ……

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Remove and install used transfer case". 1-When. Possible cause: Acadia denali gmcStumble/shudder/shiver under low load while slow accelerating 2015 gmc.