nspec
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issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
The solution has been posted already. New Rancho rear shocks covered under warranty. Problem solved. -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
Rear rancho shocks replaced by dealer. Problem solved!! There is a bulletin in the dealer's online service manual on this. Guys: this problem has been haunting me on my new 14 for the first 9000 miles. It's been getting progressively worse. More prominent when wet and when turning left. I initially thought shocks, then in my mind went through every other possibility from pinion nut to differential, I inspected springs, brakes, body mounts, fuel tank, on and on. I finally took a picture of my shock with the rub marks, oil, and dust on it and a bare metal spot near its upper mount where the undercoating had been rubbed off. I finally said to myself - you're overthinking this. Insisted based on this physical evidence that dealer replace shock. They did the one and told me they were doing the second one because it was 'blown out' also. I'm ecstatic. No longer any noise at all, and the rear end is a whole lot less jumpy than it was. Drives much better. I think everyone with this problem should insist on replacing the ranchos. They must have had a bad run or something. -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
Has anyone seen this? I'm thinking that I'm on to something. Will call dealer to see if they can take a look. 2014 Gmc Sierra 1500 Suspension Service Bulletin 366822NHTSA Item Number: 10054631 Date of Bulletin: Dec 01, 2013 Service Bulletin Number: PB-13430 Component: Suspension -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
I had identical thoughts to yours regarding a possible brake issue. Logic makes perfect sense. Only problem is, I've been under the truck and the noise seems to be coming from above the rear shock. I can push up on the body and hear the noise a few times before it stops. Can't quite see a body mount. I don't know at this point. I'm really at a loss because I agree that the noise seems to be related to the wheel rotating. I guess I should take a look at the brakes on the right rear and see. -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
I sprayed mine too, but it only worked for a day or two and I wasn't sure it was even my doing that stopped it. -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
I'm sticking with the theory that it is something rubber - a bushing somewhere. Mine only does it when it is wet outside. Moist even. Dry and cold, no noise. Dew and/or rain, I've got it. Sometimes even lasts a little longer than the first turn. Definitely the most noise when turning to the left. Got to be shock/spring/body mount related. -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
As I try to pin this down, I'm starting to think it's only happening when damp outside. Leads me to believe it is a rubber bushing somewhere.. shock or spring hanger. It's not an exhaust hanger. Definitely related to suspension in some way. Mostly happens turning left when the right rear compresses. Cold and dry, no noise. Damp or rain - noise. Don't think it's mechanical. Thoughts? -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
As I try to pin this down, I'm starting to h -
issue Popping noise from under the bed area?
nspec replied to Charlieo132's topic in 2014-2018 Silverado & Sierra Troubleshooting
I've got it too. Same scenario as the others. I'm thinking right rear shock, best I can tell. My other theory is something brake related? Perhaps having to do with the e-brake? Almost sounds like something rubs as the wheel goes around?
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