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GMC Acadia Forum

Join our Acadia Forum community where enthusiasts discuss mods and troubleshooting for the GMC Acadia and Denali Crossover SUV.

https://www.acadiaforum.net/


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3-5-R WAVEPLATE | GMC Acadia Forum

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

https://www.acadiaforum.net/threads/3-5-r-waveplate.33236/


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No Audio | GMC Acadia Forum

I have a 2008 Acadia SLT II and I get no audio played from the speakers (including turn signals as it is a file played through the speakers). The radio still works as audio is available if a headset is plugged in.

https://www.acadiaforum.net/threads/no-audio.30421/


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What does this button do? | GMC Acadia Forum

I have read the manual form my 2017 Acadia Denali from cover to cover, but did not see anything that says what the “P” button does. (The button is on the center console, next to the cup holders, and is circled in yellow). Anyone know?

https://www.acadiaforum.net/threads/what-does-this-button-do.31657/


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What oil should I use | GMC Acadia Forum

I’m reading that there are issues with the earlier 3.6 motors timing chains. Some are saying that the oil could be playing a part with the failures. I have a 2018 with the 3.6. What oil do you use and why? Sent from my iPhone using Tapatalk

https://www.acadiaforum.net/threads/what-oil-should-i-use.31863/


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Parking Brake Malfunction | GMC Acadia Forum

I have a 2018 Acadia Denali with the electronic parking brake. We picked up family at the airport the other night and loaded their bags in the back and the five of us in the car. My husband started the car and pushed the button to release the parking brake and it would not release! The light...

https://www.acadiaforum.net/threads/parking-brake-malfunction.31853/


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Vehicle shuddering or vibrating under load | GMC Acadia Forum

As the title says, my 2007 Acadia with 85k miles has been vibrating under load when accelerating around 1500-2000 rpms. I would say between 2nd and 3rd gear. Stopped off at a local transmission shop and the tech drove it for a couple miles and said he doesn't think it's the transmission, but...

https://www.acadiaforum.net/threads/vehicle-shuddering-or-vibrating-under-load.19065/


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DIC controls not responding | GMC Acadia Forum

I recently purchased an 09 Acadia and noticed that the DIC control buttons will not respond. The only one that works is the odometer and trip button. When I try to view all the other settings nothing appears. Is there a fuse or something that will fix this?

https://www.acadiaforum.net/threads/dic-controls-not-responding.6446/


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Timing chain recall | GMC Acadia Forum

There was never a recall for the timing chains - only a Special Coverage Adjustment (SCA) for the 2007 and 2009 models. If you wish to contact GMC from this forum, go to the forum's member profile for GMC Customer Service and send them a private message.

https://www.acadiaforum.net/threads/timing-chain-recall.13781/


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2012 Acadia transmission issues | GMC Acadia Forum

A couple of weeks ago my wife and I (we have one car) started to notice something funny on how our 2012 Acadia drives. There seemed to be a lag in the response time after the accelerator pedal was pressed. The issue seemed to be intermittent, it would happen sometimes without announcing itself...

https://www.acadiaforum.net/threads/2012-acadia-transmission-issues.10128/


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Service Parking Brake | GMC Acadia Forum

Yesterday after using the electric parking brake the Service Parking Brake message popped up and the yellow light on the dash just blinks. The brake still engages like usual. I got the emails from OnStar right after about the Stabillitrak and ABS systems. This is identical to what happened back...

https://www.acadiaforum.net/threads/service-parking-brake.32394/


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Disconnecting the battery | GMC Acadia Forum

I did not see anything about this in the owner's manual, nor did I find a posting directly on point in a cursory search on the site. I am going to have my vhf/uhf amateur radio installed in my 2012 Acadia tomorrow, using a professional installer. In all likelihood, he will have to disconnect...

https://www.acadiaforum.net/threads/disconnecting-the-battery.9349/


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Resetting security system | GMC Acadia Forum

2010 FWD LT1-Gold Mist Metallic- seats 8. 2013 Equinox 3.6L - 88,000 2010 Traverse 3.6L- 153,000 2003 Trailblazer 4.2L-181,500

https://www.acadiaforum.net/threads/resetting-security-system.10416/


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Transmission shudder at 20 MPH and 43 MPH | GMC Acadia Forum

I am feeling a transmission shudder if driving at 20 or 43 MPH with my 2007 Acadia. Once you pass through those speeds the shudder stops. Those speeds coincide with the new GM transmission calibration: From 2 to 3rd gear at 20 MPH and from 4 to 5th gear at 43 MPH. I did drain and fill my...

https://www.acadiaforum.net/threads/transmission-shudder-at-20-mph-and-43-mph.11630/


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Adding tow pkg to 2020 Acadia SLT-1 | GMC Acadia Forum

You can search for and look at the build guide for 2020 Acadia to see what tow package includes. Last year and previous, it was a higher capacity alternator, radiator/transmission cooler capacity, hitch wiring harness and one or two other things IIRC.

https://www.acadiaforum.net/threads/adding-tow-pkg-to-2020-acadia-slt-1.33494/


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Body Control Module Diagram Please | GMC Acadia Forum

Hello everyone, New to the forum and new owner of an Acadia. Does anyone has a BCM (Body Control Module) Diagram for the 07 Acadia? After getting the dreaded Stabilitrak and No traction Control messages along with many other codes, I cleaned the throttle body (which was disgusting), lots of oil in the intake manifold, snorkel, New MAF sensor, and new PCV (Positive Crankcase Ventilation) Valve ...

https://www.acadiaforum.net/threads/body-control-module-diagram-please.32507/


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Crank seal (fixed) | GMC Acadia Forum

2010 FWD LT1-Gold Mist Metallic- seats 8. 2013 Equinox 3.6L - 88,000 2010 Traverse 3.6L- 153,000 2003 Trailblazer 4.2L-181,500

https://www.acadiaforum.net/threads/crank-seal-fixed.14344/


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2017 rear wiper blade replacement | GMC Acadia Forum

Has anyone had an issue changing the rear wiper blade on their 2017+ Acadia? My first attempt, I couldn't get the blade to release, and just slid out and replace the rubber. Six months later, I go to Advanced Auto and have them attempt to put a Trico 12" one on. They fight with it for 10...

https://www.acadiaforum.net/threads/2017-rear-wiper-blade-replacement.31401/


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Daytime Running Lights | GMC Acadia Forum

Should be low beams. Probably did highs on the commercial for effect. Manual states regular lights will be on at a lowered brighness during daytime and will change to full brightness when it senses darkness.

https://www.acadiaforum.net/threads/daytime-running-lights.1192/


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2020 Acadia Turn Signal | GMC Acadia Forum

Hello. I’ve got a new 2020 Acadia SLT... great SUV but there’s just one thing the dealer is struggling to fix after a couple of service appointments. The right turn signal operates and sounds fine, but the left turn signal operates fine but makes a high pitched beeping sound with the click...

https://www.acadiaforum.net/threads/2020-acadia-turn-signal.32795/


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No AM/FM reception | GMC Acadia Forum

I was travelling home and XM went out for several hours. Tried to tune in AM and FM stations but could only get 1 or 2 stations. Any ideas as to what would cause this? Is my radio shot? When the XM came back on, it played just fine but could still only get a couple of AM and FM stations.

https://www.acadiaforum.net/threads/no-am-fm-reception.13565/


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Oil Capacity | GMC Acadia Forum

When changing my oil I end putting in about 6qts to get it where I want it on the dipstick.. I know the manual says 5.5qts. I tend to open up the drain plug, remove the filter and drink a cold one :beer: before filling it back up. How much is everyone else filling up with?

https://www.acadiaforum.net/threads/oil-capacity.2228/


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Window leak | GMC Acadia Forum

Welcome to the forum. A dealer's service center can repair it if any of the new car B2B warranty remains. An auto glass place will also be able locate the leak and reseal the window.

https://www.acadiaforum.net/threads/window-leak.32318/


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Wheels are peeling | Page 2 | GMC Acadia Forum

OK. It was unclear from your first post whether it was the dealer, or GMC corporation which denied the claim. If I read this quote correctly, it almost seems that there was a unilateral determination made by the dealer's service center.

https://www.acadiaforum.net/threads/wheels-are-peeling.31651/page-2


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alignment questions | GMC Acadia Forum

The only recommended source of current, accurate wheel alignment specifications (both targets and tolerances) is the Service Information. The specifications indicated on the wheel alignment rack should always be verified with the appropriate Service Information.

https://www.acadiaforum.net/threads/alignment-questions.11235/


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Replacing Fuel Filter | GMC Acadia Forum

It is about time for me to take in the Acadia for some routine maintenance. I was just looking through the manual to make sure I have everything that needs to be done covered. I cannot find any mention of a suggested interval for changing the fuel filter. The maintenance plan shows pretty much...

https://www.acadiaforum.net/threads/replacing-fuel-filter.4007/


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How much R134a? | GMC Acadia Forum

I have an 09 Acadia and I am getting ready to replace a low pressure A/C line due to a leak. After I vacuum the system and replace the line, how much refrigerant does the car take? The label under the hood is not readable and I can't seem to find the answer after searching online.

https://www.acadiaforum.net/threads/how-much-r134a.14055/


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Water in the door harness connectors | GMC Acadia Forum

Has anyone found a permanent solution to the water ingress for the door wiring harness connectors? If some time goes by, or it rains, I need to go and unplug the connectors to shake the water out, and it is about an ounce or two of water. I may simply clean them out of any moisture with...

https://www.acadiaforum.net/threads/water-in-the-door-harness-connectors.13448/


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Factory Remote Start Not Working | GMC Acadia Forum

Today I did a remote start on my 2007 Acadia, and when I waled out the door two minutes later the engine shut off in front of me. It started up fine with the key, but I noticed the Check Engine light was on. It drove fine, but the light has stayed on. I stopped by a local parts store to check...

https://www.acadiaforum.net/threads/factory-remote-start-not-working.8804/


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Poor reception solution | GMC Acadia Forum

2010 FWD LT1-Gold Mist Metallic- seats 8. 2013 Equinox 3.6L - 88,000 2010 Traverse 3.6L- 153,000 2003 Trailblazer 4.2L-181,500

https://www.acadiaforum.net/threads/poor-reception-solution.14889/


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How to replace thermostat and radiator hoses | GMC Acadia ...

2010 FWD LT1-Gold Mist Metallic- seats 8. 2013 Equinox 3.6L - 88,000 2010 Traverse 3.6L- 153,000 2003 Trailblazer 4.2L-181,500

https://www.acadiaforum.net/threads/how-to-replace-thermostat-and-radiator-hoses.14383/


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Timing Belt? | GMC Acadia Forum

the 3.6 has 3 timing chains. 2 big ones and a smaller one. Normally timing chains are not replaced for many many miles. Sometimes you may sell the car at 200K and the timing chain is still going.

https://www.acadiaforum.net/threads/timing-belt.7484/


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Service battery charging system | GMC Acadia Forum

2007 GMC Acadia 3.6 ltr. While driving home the DIC stated it was in battery saving mode. Made it home and after turning car off, it would not start. Had problems with battery drain before, so I replaced it. Now the car runs fine, except I get the service battery charging system warning on the...

https://www.acadiaforum.net/threads/service-battery-charging-system.14041/


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3.6 Life Expectancy | GMC Acadia Forum

Test drove an Acadia yesterday, LOVE it. I know relatively little about the 3.6L, so I'm curious what kind of reputation this engine has for longevity. How many miles are people getting on it before needing major repairs?

https://www.acadiaforum.net/threads/3-6-life-expectancy.14911/


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No sound from speakers only tweeters | GMC Acadia Forum

2010 FWD LT1-Gold Mist Metallic- seats 8. 2013 Equinox 3.6L - 88,000 2010 Traverse 3.6L- 153,000 2003 Trailblazer 4.2L-181,500

https://www.acadiaforum.net/threads/no-sound-from-speakers-only-tweeters.30011/


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Temperature Gauge drops and A/C stops blowing cold air ...

Hello all, my 2014 will be at normal operating temperature and occasionally the temperature gauge will drop to the bottom of the scale and the fans turn on and then the AC will stop blowing cold air. If I shut it off for 30 seconds or so. It will then go back to normal once I restart it. Then...

https://www.acadiaforum.net/threads/temperature-gauge-drops-and-a-c-stops-blowing-cold-air.29369/


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New LGX V6 Engine | GMC Acadia Forum

Have a question. The LGX engine is in both the Cadillac XT5 and the new Acadia. The XT5 has both AFM and Start/Stop technology whereas the Acadia only has AFM. Is Start/Stop a mechanical item or some sort of SW application? I apologize if I used the wrong terminology.

https://www.acadiaforum.net/threads/new-lgx-v6-engine.14635/


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Rear washer | GMC Acadia Forum

I have a 07 and my rear washer no longer works. The owner's mamual lists a relay for it on the inside fuse box. I looked at it but do not see any relays just fuses. Any ideas would be appreciated. Thanks in advance. Wilson

https://www.acadiaforum.net/threads/rear-washer.5143/


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steering position sensor | GMC Acadia Forum

Hi, I replaced the steering angle position sensor on my 2009 Acadia due to getting a C0710 code saying that is was bad. This caused the traction control and stabiltrak to fault and give messages. After changing the sensor the C0710 went away but now I have a C0253 centering fault message. I...

https://www.acadiaforum.net/threads/steering-position-sensor.25337/


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Weird A/C issue. Driver side vents blowing cool, but ...

I started having issues with my AC unit and don't know what it is or what to do about it. Here's what happened. 1. Started car one day and the AC unit was "dead", did not light up. 2. The AC unit worked later that day, in that it was blowing air...however, now it's acting crazy. The driver...

https://www.acadiaforum.net/threads/weird-a-c-issue-driver-side-vents-blowing-cool-but-passenger-side-blowing-hot.14211/