Hello , I just started hearing a clunking sound coming from under my 2018 GMC Crew Cab with 3700 miles. I notice sound when going slowly turning and going straight either forward or reverse. I seem to hear it more when driving slow not as much when traveling faster. When I say slower I mean under 15 mph. I had wife drive truck next to me in driveway the sounds seems to be coming more from the front of truck but really hard to locate. Sound was more louder/consistent when I was driving in parking lot than test in my smooth driveway. There is NO vibration , shimmy when driving. Truck is great besides this sound. Going to be calling dealer but just looking for thought from forum member on what might be causing sound. Is there any known problems/ service bulletins with this symptom. My first thought was maybe a bad u joint or bad shock. I 'm no mechanic. Thanks in advance for your help. Dave The truck is 2 wheel drive mode !
I have a 18 GMC Sierra with rear defroster and power rear window . I have not received recall in mail or did dealer mention anything when they checked for recalls when I was in middle of last month for inspection. My Sierra was built Last week of November 18 if that matters. Is this limited to certain VIN or all vehicles with rear window defroster and power window? Or only in Canada ? Strange if in Canada and not USA !
Going by my last experience with a GM warranty. In my case my last GM warranty I paid around 1500 for 7 year plan and had a claim for 2300 plus another for 500. When I cashed out plan at trade in time and got 575 cash (check) back with 1 3/4 - 2 years remaining. The warranty Worked out good for me but buying any extended warranty is rolling the dice. For me it’s a peace of mind thing. I agree with comments about electrics best to trade in before BTB warranty ends in you can. I usually keep mine for 4 - 4 1/2 years. I can turn a wrench but I’m not a mechanic so I go extended warranty specially with all the electronics .I have peace of mind and use it as a selling feature or cash out if trading in. There are pros and cons to any extended warranty.
Give Todd Sutherland a call . Todd works for MacMulkin Chevy Corvette (603) 888-1121, They are in NH. I’m on the Corvette forum a lot and he is highly recommend . I just purchased the newer GMEPP Platinum Plan 5 year 40,000 mile 0 deductible from him for my wife’s 17 Acadia. I have also purchased same plan from Todd Sutherland but with more years and miles for my 17 Corvette. I received quotes from local dealers by me and another vendor on Corvette Forum Todd beat everyone by a lot I mean hundreds cheaper. Before calling google GMEPP to get a idea which plan you want. Platinum, Silver etc . Each plan covers different things. There are different thing that go into price. Have your VIN And date you bought truck with you when you call. Also call others to compare but I think you will be really happy with his price. Dave Also with newer GMEPP plans there is a 30 day 1000 mile waiting period before plan kicks in. The 30 days and 1000 miles are add to back end of contract so you DON’T loose any days or mileage. Just keep in mind if your getting close to end of manufacture BTB warranty!
I have a 18 Sierra Crew Cab I notice a vibration when deceleration. I also own a 2017 Corvette and on the Corvette Forum C7 section there is a lot of info with vibration when in or entering V4 mode. There is mention of Range Device / AFM Disabler that keeps vehicle from entering V4 mode. My Corvette didn’t have any problems with V 4 mode.But I bought Range Device back in 17 to keep Corvette from entering V4 mode as a preventative / peace of mind thing. In November after putting car in winter storage I pulled device out of car and installed in 18 Sierra. I thought lets see if this will help with hard shifting / vibration and engine seeming to run rough when entering V4 mode. It appears by blocking V4 mode it has eliminated or reduced the hard shifting / vibration that I don’t notice it. Seems to have removed my concerns. Device probably didn’t solve problem. But by stopping my Sierra from going into V4 mode it has made driving 18 Sierra better ! If anyone wants more info on device.google Range Device or check out www.rangetechnology.com
Congrats on new truck ! Deals are out there for those wanting to upgrade. I just picked up a 18 GMC Sierra SLT Preminm Plus CC last month and traded a 14 in. Enjoy !
What year is your truck ? I was told my 18 comes with one month of Onstar free and the Onstar ,GMC ,Chevy app will only work during the trail month . So waiting till after 1/8/19 when my one month trail expire to see if the app remote start, lock , unlock work after 1/8/19 My 14 was under the old free 5 year app usage and will miss it if it’s true about 18 app time frame.
Congrats on a beautiful Truck. Glad to see you were able to find one with the options and price that you where looking for ! Glad the info on Costco helped save some $. You are right about the amount of help that is offered on this forum. It seems every time I come on this forum I learn something new about GM trucks. Enjoy that new truck ! Dave
I receive GM Employee discount thru my wife's father. The employee can give out a certain amount of GM Employee discounts per year to spouse mother ,father, son, daughter, brother ,sister. Employee can also give out a friend/ family discount to other which is less of a discount than the earlier mentioned Employee Discount. Friends and Family is closer to GM Supplier Discount. Some times these discounts are NOT stackable with some rebates or bonus tag money. A few times I was able to negotiate a better deal not using the Employee Discount and better off taking large dealer discount , rebates and large bonus tag money. This doesn't happen often but on rare occasions it has worked out that way.
I recently bought 18 Sierra Crew Cab SLT with Premium Plus and was surprised that it didn't have Blind Spot Detection. I would have liked the Push Button Start also . I have gotten use to them both in my wife's 17 Acadia. But it didn't stop me from buying truck. I guess it gives me some thing to look forward too in next GMC.
Outrag1, Maybe there is away to work this upgrade into your purchasing deal ? If they can't do upgrade maybe they can include parts needed ? Just thinking of ways to save some $ I don't no what is needed just going by above posts. Dave
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