Gmc acadia shudder when accelerating - Nov 12, 2015 · 2 posts · Joined 2015. #1 · Nov 12, 2015. Hi new poster here. My wife's 2008 Acadias power steering pump has always made a whine noise. More so when turning the wheel. It has gradually gotten worse/louder and more noticeable even when not turning the wheel. Then when you first started driving it when it was cold yet and turning at low speeds ...

 
I have a 2012 acadia 130,000 miles. I am only owner purchased new 0 miles ayahuasca 2012. It has been a really good car for us. Yes there have been a lot of recalls and a few minor things happen. But this has been the only main problem. Last summer 2016 it started with a slight intermittently jerk or shudder at all different speeds.. Luis cevallos

May 30, 2013 · When driving around 60mph there is a shake that can be felt in the steering wheel. It gets worse when accelerating; you can take your hands off the wheel and watch it shake a good couple degrees. The problem seems to be on the driver's side as you can feel it the most there, on the passenger side its much less pronounced. Apr 24, 2017 ... Top 5 Problems GMC Acadia SUV 1st Generation 2007-2016. 1A Auto: Repair Tips & Secrets Only Mechanics Know · 806K views ; Torque Converter Shudder ...1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Acadia will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires.Engine idling but no power to accelerate can be caused by a range of issues, including a clogged air filter, a faulty fuel pump, a malfunctioning throttle position sensor, or a clogged catalytic converter. These problems can prevent the engine from receiving the proper amount of air or fuel, leading to poor acceleration and reduced engine power.Here is one comment: i am drive ability tech for gm... gmc/buick dealership. the gm plugs come pregapped . you are using aftermarket plugs in your acadia . in my experience that motor does not like after market plugs or coils. just had to change coils and plugs on a 10 acadia thursday due to a misfire underload at highway speed and the …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.1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Canyon will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires. If it is an older model, it’ll have a distributor and coil ...Engine idling but no power to accelerate can be caused by a range of issues, including a clogged air filter, a faulty fuel pump, a malfunctioning throttle position sensor, or a clogged catalytic converter. These problems can prevent the engine from receiving the proper amount of air or fuel, leading to poor acceleration and reduced engine power.Hesitation during GMC Acadia acceleration AS A RESULT OF THE ACCELERATOR CABLE: Another possible justification why you feel hesitation during GMC Acadia acceleration, whether you are driving, stationary, hot, cold or accelerating, is that your throttle cable is seriously worn.If your accelerator cable is in a serious state of …2008 gmc Acadia shudders under acceleration usually at speeds below 60. It doesn’t happen every time I accelerate, but - Answered by a verified GMC Mechanic ... I have a 08 Gmc Acadia that gives off misfire like symptoms when accelerating. The codes i pulled were p0752, p0420, p0700. ... the car experienced a slight shudder in the …General Motors has published multiple technical service bulletins pertaining to torque converter clutch shudder issues in their 8-speed transmissions. This problem currently affects 11 different models across 3 different OEM brands for the model years between 2015 and 2019. After implementing several fluid revisions, GM’s latest solution …The Acadia has 195,000 miles contemplated cutting my losses and purchase a new vehicle. Then a few days ago the transmission started slipping and shuttering. Had a local transmission shop diagnose and they quoted me $2800 to rebuild both the torque converter and transmission.1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Canyon will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires. If it is an older model, it’ll have a distributor and coil ...Problem Description. A shudder or vibration may develop while driving at speeds between 35 and 40 MPH. Our technicians tell us this condition is commonly caused by a failed automatic transmission torque converter. It is recommend to replace the torque converter and install an updated powertrain control module (PCM) to correct this concern.Gmc Acadia Shudder When Accelerating. 2016 gmc acadia sle1 parts 2017 gmc acadia limited awd 4dr features and specs. 18 Mar 2024. Gmc acadia gets styling, powertrain updates Acadia gmc dvd intellilink usb while gm Autogator acadia gmc sle1. Need help in finding these part(s) | GMC Acadia Forum5 Vehicle Shudder problem. Vehicle shudders and jerks at all speeds. It is particularly worse at lower speeds. The automatic transmission is acting like someone is popping the clutch on an manual transmission. It is scary and dangerous to drive when this is happening, however it only happens intermittently.A shake and/or shudder during light throttle acceleration between 25 and 80 mph (40 and 128 km/h) steady state driving when transmission is not actively shifting gears. A shudder feeling that may be described as driving over rumble strips or rough pavement. Shudder feeling is evident in both Drive and M7 modes.This 2010 GMC Acadia has a vibration and noise above 45 miles per hour. Let's fix that! Also bonus footage with a special guest. Merch: http://watchweswork.c...2012 GMC Acadia. Asked by acadiadenali12 in Apopka, FL on February 26, 2015. It acts like a dirty or clogged fuel filter or a slip in the tranny. The check engine light is not coming on and there is no codes available. Took to a dealer and they stated nothing is wrong with vehicle...they suggested to clean the injectors.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 …I have a 2015 GMC Sierra 1500 5.3 with the 6l80. ... But the shake when slowing down to about 20 and then accelerating is still there. It doesn't do it in tow haul I'm not sure what changes in tow haul mode. ... If the truck is lugging at low rpm's, it could be causing a slightly lean condition, which will cause a shudder. GM is notorious for ...Find the location of the MAF sensor in your Acadia, unplug the electrical connectors, and remove the sensor from the housing. Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air dry for an hour or until completely dry. Do not use cloth or cotton swabs to clean the sensor, as it can damage it.If it was power steering, most likely the noise would be more noticeable during a very low speed turn. I totally agree with this as my steering had a whine noise when turning and the rack had to be replaced. HTH! 2011 GMC Acadia Denali AWD White diamond tri coat, loaded.Shudder seems to correspond to acceleration but also seems to occur right before car shifts into 2nd and 3rd gear. Doesn't seem to shudder at highe... 2007 GMC Acadia - My 2007 GMC Acadia shudders or vibrates when I accelerate.1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Yukon will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires.Feb 11, 2019 ... The dealer informed me there was a new transmission fix for the automatic 8 speed transmission with the shudder problem during light ...The most common causes for slow acceleration in GMC Acadia are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, …Jun 13, 2018 · The Acadia has 195,000 miles contemplated cutting my losses and purchase a new vehicle. Then a few days ago the transmission started slipping and shuttering. Had a local transmission shop diagnose and they quoted me $2800 to rebuild both the torque converter and transmission. 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 ...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 ...7 Vehicle Shudder problem of the 2012 GMC Acadia. Failure Date: 07/21/2016. Vehicle shudders and jerks at all speeds. It is particularly worse at lower speeds. The automatic transmission is acting like someone is popping the clutch on an manual transmission.2012 GMC Acadia. Asked by acadiadenali12 in Apopka, FL on February 26, 2015. It acts like a dirty or clogged fuel filter or a slip in the tranny. The check engine light is not coming on and there is no codes available. Took to a dealer and they stated nothing is wrong with vehicle...they suggested to clean the injectors.Your car's automatic transmission has a torque converter. The torque converter is made up of five parts: 1. Stator. The stator is called the middleman. The stator is called the middleman because it serves as the conduit that reverses transmission fluid and sends it back to a turbine impeller. 2.Transmission Shudder at Startup Could Point to Torque Converter Problems for the 2015 GMC Acadia In 2020, a driver reported to Acadia Forum an issue with his 2015 model shuddering at startup . According to his report, the shuddering continues until he hits around 25 miles per hour.Have you ever hit a bump in the road and gone flying up in the air? Learn how vertical acceleration works in this article. Advertisement Imagine yourself riding along in your car a...The most common causes for slow acceleration in GMC Acadia are clogged air filter, dirty mass air flow sensor (MAF), clogged fuel filter, fuel pump malfunction, …Some of us may have a known issue going on with our vehicles that is a cause of concern and simply irritating. Chevrolet, GMC shudder or shaking when your driving down the road at a steady or slight acceleration. This usually happens around 25 to 80 miles per hour. What is it? Several things could be the cause like tire balance or wheel balance.Acadia powertrain arranged shifter switches Gmc acadia 2017-2019 intellilink video in motion while driving bypass Autogator sle1 acadia 2017 gmc acadia limited: review, trims, specs, price,Mar 2, 2020 · 2019 Acadia SLT-1 FWD Smokey Quartz Metallic 3.6L V6. Cocoa & Ash Gray Leather Interior Build Date: 4-11- 2019. . . Purchased 6-22- 2019 15,180 Mi 2-09-2024 Oct 11, 2017 · Shudder seems to correspond to acceleration but also seems to occur right before car shifts into 2nd and 3rd gear. Doesn't seem to shudder at highe... 2007 GMC Acadia - My 2007 GMC Acadia shudders or vibrates when I accelerate. May 30, 2013 · When driving around 60mph there is a shake that can be felt in the steering wheel. It gets worse when accelerating; you can take your hands off the wheel and watch it shake a good couple degrees. The problem seems to be on the driver's side as you can feel it the most there, on the passenger side its much less pronounced. The 5.7 Vortec is a type of engine produced by General Motors (GM) and was first introduced in 1996. It is a V8 engine that comes with a displacement of 5.7 liters (350 cubic inches). The 5.7 Vortec engine is commonly found in GM trucks and SUVs, such as the Chevrolet Silverado and Tahoe, GMC Sierra and Yukon, and the Cadillac Escalade.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. #engine #diagnoseissue #fixed #tips #advice #repair #partsfailed 6t75 extreme shudder from transmission,no transmission codes2015 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. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Terrain will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires.If you shift it down a gear or go to accelerate where it downshifts it will go away. Ask Your Own GMC Question. If it is a misfire you will typically feel it more when accelerating hard and it had a shudder. patrick capp. Category: GMC. Satisfied Customers: 4,050. Experience: Expert. Verified.17 posts · Joined 2015. #11 · Mar 16, 2022. I have a 2020 Traverse and noticed the shudder started last year. I started after I moved from North Dakota to Oregon pulling a 12’ cargo trailer. I don’t think the trailer was over 5000 lbs but I did go up and down several mountain passes. I took it to one dealer when it started and they could ...Apr 24, 2017 ... Top 5 Problems GMC Acadia SUV 1st Generation 2007-2016. 1A Auto: Repair Tips & Secrets Only Mechanics Know · 806K views ; Torque Converter Shudder ...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 …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 ...Shuddering after transmission fluid is changed. I have a 2013 Acadia and I recently went for an oil change . At 102,000 mileage the suggested I get my transmission fluid changed. Ever since my car has been shuddering at 2RPMs is seems to come out of it at higher speeds but driving around town at lower speeds is jerking.Travel Fearlessly The three-part series “When Passion Meets Precision” is proudly produced in partnership with GMC. Step back and look at anyone out there making a difference in th...Aug 15, 2018 · 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 ... 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 …June 18, 2023 by Jason. Your GMC Acadia’s torque converter is responsible for connecting and disconnecting the engine from the transmission, transferring power smoothly. When this process fails, it can lead to torque converter shudder. Causes of shuddering can include worn torque converter clutches or the gradual application of the torque ...My Acadia SLT has recently been making a rattling noise when turning left and during acceleration. When Parked if I accelerate the rattling noise also can be heard but diminishes when the engine goes back to normal idle. Noise comes from the front of the engine lower right, just underneath the canister vapor valve.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).Our trusty Acadia has around 140k miles. Recently, it started doing a slight shutter/shim when accelerating. It is in the front of the car on the passenger side. I've read that it could be the transmission, could be the front line drive bolts. We had the transmission fluid flushed/changed recently. It is still dark.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. Here is one comment: i am drive ability tech for gm... gmc/buick dealership. the gm plugs come pregapped . you are using aftermarket plugs in your acadia . in my experience that motor does not like after market plugs or coils. just had to change coils and plugs on a 10 acadia thursday due to a misfire underload at highway speed and the …Shudders as you speak of -- specifically between 30 and 40 miles per hour in this case -- are possibly caused by torque converter or torque converter clutch issues. It can also be caused by fluid issues. Has the transmission fluid been changed as needed, and refilled to the proper specification. Hands on inspection is needed.Gmc Acadia Shudder When Accelerating. 2016 gmc acadia sle1 parts 2017 gmc acadia limited awd 4dr features and specs. 18 Mar 2024. Gmc acadia gets styling, powertrain updates Acadia gmc dvd intellilink usb while gm Autogator acadia gmc sle1. Need help in finding these part(s) | GMC Acadia ForumIf you are in the market for a reliable and spacious SUV, look no further than a used GMC Acadia. Known for its versatility and durability, the GMC Acadia has been a popular choice...2 posts · Joined 2015. #1 · Sep 5, 2015. Hey all, I have a 2011 v6 AWD Chevy traverse with 85k on it. I started noticing a slight vibration when turning the wheel. Typically occurs when pulling into a parking spot, out of lot at slow speeds, and when reversing with wheel turned. I recently had a road trip to Seattle and the vibration got much ...Most of the time, you’ll feel it when it engages. Service StabiliTrak Warning: Your Acadia’s “Service StabiliTrak” warning light is the number one indication that something is wrong. Cruise Control : If one of the wheel speed sensors is not working correctly, your Acadia may lose cruise control. Traction Control Not Working: Your …Shudder seems to correspond to acceleration but also seems to occur right before car shifts into 2nd and 3rd gear. Doesn't seem to shudder at highe... 2007 GMC Acadia - My 2007 GMC Acadia shudders or vibrates when I accelerate.Here is one comment: i am drive ability tech for gm... gmc/buick dealership. the gm plugs come pregapped . you are using aftermarket plugs in your acadia . in my experience that motor does not like after market plugs or coils. just had to change coils and plugs on a 10 acadia thursday due to a misfire underload at highway speed and the owner ...I’m getting a shudder/stutter when accelerating above 45mph. When I give it throttle above 45mph and it down shifts and puts the RPMs at 2,000, the shudder/stutter starts until 2,500 RPMs and then goes away. No issues under 45mph, during steady state driving, and it happen less when in tow haul mode. Running stock tune.GMC Acadia 2014 2018 M7V, M7X Terrain 2017 M7U, M7W Involved Region or Country North America and N.A. Export Regions Condition Some customers may comment that the vehicle may have a severe launch shudder in 1st gear from a stop, or while driving along when in 4th gear, or during the 2-3 upshift or 3-2 downshift.How To Fix a Shuddering Transmission. Fortunately, fixing a shuddering transmission is often as simple as getting a transmission flush to replace the contaminated transmission fluid with clean, fresh fluid. If the cause of your shuddering transmission is low fluid rather than contaminated transmission fluid, you may just need to fill up your ...Gmc Acadia Shudder When Accelerating. 2016 gmc acadia sle1 parts 2017 gmc acadia limited awd 4dr features and specs. 18 Mar 2024. Gmc acadia gets styling, powertrain updates Acadia gmc dvd intellilink usb while gm Autogator acadia gmc sle1. Need help in finding these part(s) | GMC Acadia ForumBulletin 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 ...Common symptoms of a stretched timing chain in the Acadia include: Rattling from the engine. Check engine light. Car shakes or vibrates excessively. Misfires. Engine shuts down, stalling. Rough idle. On CarComplaints.com, engine failures caused by timing chain problems were reported up until the 2012 model year.Oct 2, 2018 ... Today I had a 2013 GMC Acadia in the shop with some transmission problems and I never thought this would be the issue even actually fix the ...May 3, 2017 · First, a little background: NEW 114 miles: We bought a new 2014 Acadia, SLT2 FWD in November of 2014. This thing is loaded; double moon roof, tow pkg, rear DVD heated/cooled/memory seats the whole 9. The ideas was to get my wife into a nice, new car as we hoped it would last for years to come as we planned to grow our family (we are expecting ...

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 abs out it triggers abs in ryth … read more. Nicky nightmare parents

gmc acadia shudder when accelerating

Jul 23, 2023 · I have had "bad" engine mounts. Only (x1) actually "breaks". (Driver-side) The front and the passenger side can leak when they go bad. The front can cause a 'clunk', not a shudder. I have had transmission shudder after warm and moderate to heavy acceleration. Was due to a transmission o-ring giving up leading to transmission replacement. Mar 30, 2022 · 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 systems. #1 · Jul 26, 2020. When driving where i have to accelerate a bit heavy "turning into heavy traffic" or a. Harder acceleration off the line it begins to shudder and shake.. Thought it …It was a GM trans and I brought it to the local dealer. They went thru the entire transmission, replaced the valve body, pump, and as well as a new transmission control module. I kept telling them, look I am old school and it feels like torque converter shudder.Hesitation when accelerating during a right hand turn around 15 mph. 2. Hesitation/delay/harsh shift around 40 mph during 5-3-2 shift. ... 2008-2010 GMC Acadia ... I have 2008 GMC Acadia no slipping a shudder at 15 mph. It says transmission hot idle engine I’m thinking at anything over 3rpms. No gear problems. It down shifts alot. …Shop for New Auto Parts at 1AAuto.com http://1aau.to/c/240/y/evap-emission-control-system-partsWhat are the GMC Acadia Top Problems? Andy shows you 5 of the ...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. 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. Transmission Shudder at Startup Could Point to Torque Converter Problems for the 2015 GMC Acadia In 2020, a driver reported to Acadia Forum an issue with his 2015 model shuddering at startup . According to his report, the shuddering continues until he hits around 25 miles per hour.4 posts · Joined 2023. #2 · Aug 24, 2023. I have a 2017 Acadia Denali AWD with 113,000 miles. The shuttering started in June 2023 and happens at the lower speeds. You can see the speedometer and tachometer shake around 25 - 35 mph when accelerating - most prevalent when accelerating uphill.1. Misfire. Vehicle Speed: A Misfire can be felt at any speed, but is most noticeable at low RPM. A misfiring engine is one of the most common reasons your Yukon will shake when accelerating. A vehicle’s ignition system consists of spark plugs, coil packs, and maybe plug wires.Feb 26, 2017 · Here is one comment: i am drive ability tech for gm... gmc/buick dealership. the gm plugs come pregapped . you are using aftermarket plugs in your acadia . in my experience that motor does not like after market plugs or coils. just had to change coils and plugs on a 10 acadia thursday due to a misfire underload at highway speed and the owner ... Subject: Shake and/or Shudder During Light Throttle Acceleration Between 25 and 80 MPH (40 and 128 KM/H) at Steady Speed Attention: This Bulletin only applies to vehicles sold in the U.S., Canada and Middle East Operations (MEO). Mexico and Export Regions should follow Bulletin 19-NA-018. Brand: Model: Model Year: Date Breakpoint: Engine: My Acadia SLT has recently been making a rattling noise when turning left and during acceleration. When Parked if I accelerate the rattling noise also can be heard but diminishes when the engine goes back to normal idle. Noise comes from the front of the engine lower right, just underneath the canister vapor valve.How To Fix a Shuddering Transmission. Fortunately, fixing a shuddering transmission is often as simple as getting a transmission flush to replace the contaminated transmission fluid with clean, fresh fluid. If the cause of your shuddering transmission is low fluid rather than contaminated transmission fluid, you may just need to fill up your ...The alternator in your GMC Safari is responsible for charging your vehicle's battery and providing a constant, reliable source of power for your Safari's electrical components. Whe...Having the same issue on my 2020 GMC Acadia. Dealer performed the bulletin that pertains to 2020 but didn't fix issue. Mine is a little different in that most of the times it occurs from 1200-2000 rpms. But can occur at highway speeds IF you are accelerating (gently IE: not jumping on it).14 Vehicle Shudder problem of the 2008 GMC Acadia. Failure Date: 09/15/2014. During acceleration the vehicle vibrates when going between 35 and 45 mph. Was not able to reproduce issue at dealership last fall, but is now getting much worse. Happens almost everytime the vehicle accelerates.I have a 2012 Acadia Denali that was experiencing the same issue rpm fluctuation under load. Thinking it was a gas/air mixture issue I tried swapping coils, spark plugs, cleaning gas tank, and cleaning the throttle body. It helped, but did not resolve the issue. There were no engine lights so I had nothing to go on.And the car is a piece of crap. And I’m out $5000. - Zachary F. , Ione, US. The 2012 GMC Acadia has 5 problems reported for shuddering, vibrating, revving. Average repair cost is $5,000 at ...And the car is a piece of crap. And I’m out $5000. - Zachary F. , Ione, US. The 2012 GMC Acadia has 5 problems reported for shuddering, vibrating, revving. Average repair cost is $5,000 at ....

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