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Chevrolet Silverado 1500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, GMC Sierra 1500, GMC Sierra 2500, GMC Sierra 3500, Truck
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#708 of 787 Intermittent Throttle Closure
May 25, 2012 (6:18 am)
I will try to explain. I have a 2008 GMC Sierra 1500 4 wheel drive Z71. While driving down the road at no particular speed...could be 20 or 65mph, all das lights come on and throttle closes. Acts like a stall. After approximately 1 second, throttle re-opens and dash lights disappear and return to normal. Feels like truck stalls and restarts on its own while going down the road. I have taken the truck to a GM dealer and had a scan done and no errors are reported. Do i just wait until it dies on the road? What is causing this. Everyone seems perplexed.'
#709 of 787 Re: Intermittent Throttle Closure [sierra16]
May 25, 2012 (12:18 pm)
I'm sorry to hear that your dealership was unable to duplicate or diagnose the cause behind the throttle closure you described. If we can look into this further with you, please send the following information to socialmediagm.com: your name/Edmunds username, phone and address, the last 8 of your VIN and current mileage, and the name of your involved dealership.
GM Customer Service
#710 of 787 Re: Electrical Issues [thunder3000]
May 26, 2012 (5:31 am)
Let me help you as I have learned that either GM Engineering or GM Management has chosen to provide very poor databases or info on the defects on these trucks to Customer Service and their dealerships. GM issued a letter approx. in 2006 by Scott Lawson, General Director, Customer Service. Dashes in 2003 and 2004 are known defects ( may apply to other years as well). In the letter GM will not replace the dash unless you had the failure occur. Likely a known electrical manufacturing defect that presents itself intermittently, so good luck if you are on vacation. They extended the warranty to 7 years or 70,000 miles. They were sued over this short coverage period and then extended the dash replacement to 80,000 miles but you pay labor. Looks like you are stuck with the bill on this one. I had to bring my letter in for my friends 2004 which he had just bought used from that same dealer to prove it and the dealer finally paid for the dash. I actually think they take the cores for rebuild ( must be they know exactly what their mfg defect was)
One other critical safety item that GM customer service does not keep in their database is the sudden failing brake lines in 2003 and 2004, but I have heard them go back to 2000. Lines rust, but theirs rusted real fast like I have never seen in my 35 years of driving in the NE, so the improper steel composition was used. You will note they now coat their brake lines. Your first failure will likely occur above your frame rail behind the drivers front tire. Correctly engineered brake lines with steel may rust, but they will typically seep. These trucks ( and it may have only been a run of them as all don't display this) will suddenly burst, typically during a sudden or emergency stop. The dual master cylinder tends not to do what would would expect as you are left with nearly no brakes. Replace these for the sake of your safety and others. I would not trust a GM replacement, but you can get SS aftermarket. This happened to me and had it not been for a shoulder I could veer off itnto, my GMC would have been decapitated beneath a tractor trailer. This was investigated by the NHTSA in 2008/09 and then suddenly the case was closed. You will remember that Toyota had rusty frame issues around these same years and actually bought trucks back from their owners, GM unfortunately does not even want to acknowledge this safety issue existed, so although GM Sarah is trying to help, you will find she can find nothing in the records. I had received the investigation forms from NHTSA. s I guess if they just keep quiet about it, the trucks will just eventually come off the road.
#711 of 787 Re: Needs A Recall. [gmcustsvcsarah]
May 26, 2012 (5:40 am)
Here is my VIN Sarah. 1GTHK29U33E176322. I am referring the brake lines that rust prematurely. I have already gone to the expense of replacing them with SS after 2 failures, so I would like to be compensated for those repairs, since the failure occurred in 4 years of ownership 30,000 miles. Though out of warranty, it seems that a critical safety item like this should have greater factor safety and not failed so early in it's design life. Luckily, I was able to run the truck off the road during an emergency stop on the highway, otherwise the end result would not have been good. I lost all braking capability, so the dual master cylinder did not do what it should have. The dealer completed a rear brake job one year prior , near the end of the warranty, as my rear rotors were very corroded, so the rear brakes should have stopped the truck, but did not. Thanks for any information you can find.
#712 of 787 Re: 2008 SILVERADO ELECTRICAL ISSUES HELP!!! [bran164]
May 26, 2012 (5:47 am)
There was guy on here last year with similar year and had the exact problem as you. He was getting a lot of run around from the dealer, endless trips back and forth as the problem came and went. He was actually able to get a video of it and posted it on youtube and got a lot of attention. Apparently he did get a call from GM and then within a few days all the videos were removed from the net. Not sure if the Customer service reps have a record of that. Get a video of it if possible, because without it, I doubt you'll have any luck at a GM dealer if it isn't doing it for them. Good Luck!
#713 of 787 No interior light when door opens
May 26, 2012 (7:52 am)
Hi there, I'm almost embarrassed to post this given the more serious nature of the other problems listed here. But here goes. Recently the interior light does not go on when the door opens. So you open the door at night and stare at a dark interior. The only thing that has changed was the dealer replaced the instrument panel and I think this started at around the same time but the connection between those two makes it seem improbable as the cause. The two dome lights and the two lights by the mirror all work when you press their buttons so it is not a bulb. I can't find a door switch like in the old days that actuates the interior light. I've read the manual with no help. Went thru the available programming on the diagnostic center with no help. I know it must be something simple but darned if I can find it. If anyone has the answer I sure would appreciate it. Thanks, Steve
#714 of 787 Re: No interior light when door opens [hadlock]
May 26, 2012 (10:57 am)
Thank you for taking the time to post your questions. Can you please email me directly with your VIN and the name of the dealer? I look forward to hearing from you. Have a great weekend!
GM Customer Service
#715 of 787 Re: Needs A Recall. [barnowl3]
May 29, 2012 (6:38 am)
Good morning barnowl3,
I did not see any open recalls on your Sierra at this time; to pursue reimbursement for the brake line work I would encourage you to contact your dealership as this is where the paperwork would be processed. If they are not in agreement about the reimbursement, we can evaluate your situation further if you would please send the following information to sociamediagm.com: your name/Edmunds username, phone and address, the last 8 of your VIN and current mileage, and the name of your involved dealership.
GM Customer Service
#716 of 787 Re: No interior light when door opens [gmcustsvc]
May 31, 2012 (8:03 pm)
Christina, Many thanks for your prompt response. You were very helpful in getting my dash panel fixed. Must be nice to be able to solve people's problems!... and hard when you can't. In any event, I appreciate your "Can do" spirit. The vin on my truck is 1GTHC29658E148916. The dealer is Haselwood in Bremerton, Washington. I am not at all certain this is related to the dash replacement although it did seem to begin around the same time. I was posting to see if some other owner had a solution. But I appreciate your attention to this problem. These things used to be simple with the visible door switches but I'll be darned if I can figure this one out. Any advice or help you can provide will be appreciated. Thanks again, Steve
#717 of 787 Re: Needs A Recall. [gmcustsvcsarah]
Jun 01, 2012 (5:42 am)
This problem first occurred in 2007, when the truck 4.5 years old, approx. 45,000 miles. This is when the first corroded brake line failed. Is GM willing to look back to that time and discuss the matter? I did not pursue the matter at the time, frankly out of disgust, and assuming they would do nothing being 1.5 years out of warranty. After reading that other trucks have had this exact same issue, is why I am pursuing it now. So, please let me know if GM will look at my records from that time. I have also saved some of brake lines and have pictures. I'm happy to to work with GM, but I also do not want to waste my time. I appreciate your honest response. Ed