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2015 sierra front suspension problem

duffman24

By duffman24
in Troubleshooting & Recalls

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duffman24 New Member

duffman24

Posted
Posted

Hello, it's my first time on this Forum and i find it very interesting.

 

I have a problem with my Sierra 2015 crew cab 4wd with 6'5'' box with 18 inches wheel. It has 4000 km on it so its new

 

I bought it in august and since then I have a problem with the front suspension. The suspensions knocks at full extension in holes or after a bump. The front end is very unstable, it seems like there is no rebound damping at all. The suspension set up is not what you could expect of a half ton 50 000$ truck.

 

The ride is horrible on bumpy roads. At slow speeds the suspension sometimes lifts the front wheels off the ground. The suspension is so bad that it does not allow me to go on gravel roads to my hunting camp.

 

I did a test with my 2006 Honda civic with 200000km and it on it with 15 inches wheel and on the same road and the suspension worked very fine. I did a test with a RAM 2007 and a Ford 2014 a chevy 2009 and I almost didn't fell the bumps. I dit the test on the public asphalt road in front of my house at legal speed limit.

 

I took it to the dealer with 1800km on it. They try it and they recognised that there is a problem but they told me that the truck is built like that. I should buy rancho shocks and pay nearly 1000$. My understanding is" we sold you a cheap truck the contract is sign its your problem now"

 

It is my firs new vehicle and i am very diapointed with this truck. I paid 50000$ and I dont even have the ride of an old civic. Its like buying a new truck but the brakes doesn't work and you have to change them before you go out of the dealer

 

It's my fourth GM truck and I have always been satisfied but this one is probably my last. I have never paid so much for truck and i was expecting way much better ride. I drive this 98% of the time on highway public roads.

 

I know what I'm talking about I Have been working for the Ministry of natural Ressources and i drove all kind of trucks in all kind of roads over 15 years but i never drove a truck that the front suspension was that bad.

 

I should have tried it more than 10 minutes before paying that much money shame on me! I had too much confidence in GM!

 

Since the dealer will not help me, where can I find good front shocks at a decent price?

 

Can the Bilstein shocks fix my problem?

 

Thank you for your answers,

 

 

fondupot Senior Enthusiast

fondupot

Posted
Posted

It sounds like there is something wrong with the coil struts on your truck. I would contact GMC directly and then find a new dealership.

Stevens03 Senior Enthusiast

Stevens03

Posted
Posted

Your issue isn't typical but keep in mind too that your truck isn't a honda. It will NEVER ride as good as a car but it should ride nearly as good. You need to take your truck to another dealership. These trucks do ride nice. Something isn't right and it's up to the dealer to fix it. This shouldn't be rocket science here.

pm26 Senior Enthusiast

pm26

Posted
Posted

There is a simple way to improve the ride stiffness by installing softer shock absorbers. You do not have to spend anywhere near $ 1000 on them either. If your truck has Z71 suspension, then the OEM shock absorbers will be quite stiff.

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