This is why I park in the back 40 everywhere I go and walk a ways. People driving a piece of sh*t don't care about banging their door into a nice ride. Even some people that have a decent vehicle don't care. People are ignorant in this matter.
Ed S replied to Ed S's topic in 2014-2019 Engine, Driveline, & ExhaustThe extra vacuum the pump supplies is for the AFM. Active fuel management system along with the brake system. If you disable the AFM with like a Range afm delete device then pump shouldn't be needed for the brakes to have enough vacuum from what I have read. Problem is you can't have the best of both worlds.
Receive a notice letter from GM as well on failing vacuum pumps causing low speed hard brake pedal that could cause a problem in low speed braking. Their only offer in the letter is they will extend the warranty on them for 6 years from in service date the of truck or 72,000 miles in the interest of "customer satisfaction". NO recall however. They said for make sure and follow oil change intervals for this might be a contributing factor in the pumps premature failing. My thoughts on this is they should recall known safety issue parts period. Looks like GM is trying to save themselves some money on a due to fail early, weak link in their brake, vacuum system. No mention of the word "accident" in the letter anywhere of course. My truck went into service in December of 2013 and has just turned 50,000 miles so my extended warranty will be up in just 8 months or so on this obvious poorly designed pump. Let us know if anyone gets this fixed under warranty by claiming hard pedal incidents to the dealer. Whether it actually happened or not, this should be recalled and fixed for free in my opinion.
Ed S posted a topic in 2014-2019 Engine, Driveline, & ExhaustReceive a notice letter from GM yesterday on failing vacuum pumps causing low speed hard brake pedal that could cause a problem in low speed braking. Their only offer in the letter is they will extend the warranty on them for 6 years from in service date the of truck or 72,000 miles in the interest of "customer satisfaction". NO recall however. They said for make sure and follow oil change intervals for this might be a contributing factor in the pumps premature failing. My thoughts on this is they should recall known safety issue parts period. Looks like GM is trying to save themselves some money on a due to fail early, weak link in their brake, vacuum system. No mention of the word "accident" in the letter anywhere of course. My truck went into service in December of 2013 and has just turned 50,000 miles so my extended warranty will be up in just 8 months or so on this obvious poorly designed pump. Thoughts anyone?
Ed S replied to Z06_Mike's topic in 2014 - 2018 Chevy Silverado & GMC SierraI bought a used 14 Sierra 1500. Less than 40,000 miles. So far had door lock actuator fail, heated seat cusions, both sides fail. I am waiting for the a/'c to fail with the bad condensers they put in. I would go with a 15 or later myself. So far engine ok.
My 2014 GMC Sierra had the same issue. Both lower seat heaters quit all at once. Backs still worked fine. Ended up having to have both lower seat cushion heaters replaced. These are a weak link in the heated seats from GM. I contacted GMC customer support and they paid 40% of my bill the dealer charged to replace them, I paid the other 60%. My truck was out of warranty by a few months only and just a little over in mileage. Even when working the lower heaters are not very warm at all, barely feel it on high.
My Borla duel's are the S-type. I feel the Atak muffler sounds to much like a 1970'S V-8 with glass packs on it. To loud for the now newer expensive and refined GMC's or Chevy's. The S-type muffler is fairly quiet with just a little rumble until you get into it. Then the S-type comes alive. Took me about an hour and a half to install the system with my truck up on jack stands.
Check the manufacturing date on your truck. 2014 trucks, both Chevy and GMC's built before December of 2013 had starters that were not sealed properly when put together allowing moisture to get into them over time. Your problem is one of the issues described that many have complained about. If so, only cure is to put a new starter on it. It starts acting up out of the blue. Just a suggestion if the cable does not cure it. GM knows about this troublesome issue. They have a bulletin out for it at their dealers.
I have the Range. I like it other than the fact when coasting either on a straight level road or down a hill, the transmissions stays engaged and engine rpm's creep up and stay higher. I don't see that 99 mpg in the info center while coasting like I used to. Maybe get to 50 to 65 mpg or so at a coast now. I'll give that up though to save a lifter collapse failure or other afm issues on down the road. I keep my trucks long term.
I will install the new part number myself. Not that big of deal. Just the price of the starter. My point is GM knows the starters didn't get assembled correctly to begin with. That's how they know by build date. Prior Dec 2014. Yet, no reimbursement for their bad quality build. It is what it is.
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