I just purchased a 2018 Silverado 1500 LTZ Z71 to replace my 2014. I wanted the better towing with the 6.2 liter and 8 speed tranny. On my 2014 I had a Bakflip Fibermax. It never was really waterproof, I was less than thrilled with tubes draining water in to the truck bed. The worst issue I encountered was the "UV Resistant Finish" which in the Florida sun was cracking and drawing back exposing a white substrate after only 1 year. The leak was mostly due to the bulkhead seal being too thin when used with OEM rail caps. An additional layer of foam mounting tape helped but did not solve the problem. On my 14 I was able to route the drain tubes through the drop in bed liner draining between the bed and bed liner. The 18 has the spray in bed liner so that is not possible, I don't want to drill holes I the bed of my new truck and the plugs in the bulkhead are up high. I don't know if a radical bend in the drain tubes would impede flow. (Any body have experience with this?). I was happy with the degree of security when traveling provided by the hard cover. The G2 is supposed to be more UV Resistant, but I have no first hand experience or advice from someone with experience. I will appreciate any advice or recommendations on best Tonneau Cover and installation tips. Thanks in advance.
Thanks for the insights. I agree that going slow in a lower gear would be possible, but for me the traffic conditions on that part of 70 are scarier than the grade. Crawling up the mountains, behind the18 wheelers with their flashers on would not b a problem except for the traffic. Traveling in what seems to be normal traffic for that stretch of road, with everybody in a hurry and jockeying for position with unannounced lane changes is not fun when your truck is operating at the limits of its performance and you have nothing left to cope with an emergency. It sounds like to drive at a safe and reasonable speed for that type of road I have to go with the uncle that likes horsepower. Thanks for the advice.
I currently run a 2014 Silverado 1500 LT Z71 with the 5.3 and 6 speed. I tow a travel trailer (8-9K Lbs.) loaded when traveling. No problem traveling up and down the east coast flatlands and little hills (Appalachians, Catskills and Adirondacks). My setup seems to really struggle in the mountains (Eisenhower Tunnel, Continental Divide etc.). It has trouble finding gears, engine screams, feels like it is lugging. Does anyone have experience with the 5.3 8 speed an 6.2 8 speed. I m looking to replace my truck and wonder if just upgrading to the 8 speed would help, if the 6.2 would solve the problem (good enough to justify the $3K)? Or would I be best advised to upgrade the towing and recovery coverage on my insurance policy and stick with what I have now until it dies. I need to mention that living in the flatlands of Florida most dealers don't stock 4x4s with upgraded power plants so finding one to look at is tough.
Has anyone been able to find out the part number for the new wiring harness for the doors to enable the turn signal function? I would really appreciate any help on this. Do you need two different ones (left and right) or is it two of the same harness, one for each door?
Before you jump on this do some research on the High Country. Find out if it is the 2013 body style like the standard HD. If it is, the mirrors will not fit a 2014 1500. The accessory catalog the dealers have says the mirrors fit 2008 to 2014 trucks, but in the fine print excludes the 2014 1500. The 2014 is the all new truck Chevy is advertising, the 2500 and 3500 is still the 2008 to 2013 body style. There was much confusion about these mirrors, even at the dealerships. My dealer ordered the wrong ones and they did not fit my 2014 1500, after he said he had fully researched the subject. So before you decide what to do check everything out yourself.
I agree that the only reasonable conclusion is as they "improved" the truck to make it lighter they compromised the structural integrity. Since cosmetically it seems the doors look alike (with the exception of the 4th hole), my only guess for the reinforcement would be an extra sheet metal stamping somewhere between the three stampings spot welded together in the standard door. This would explain why an aftermarket fix is not possible. Any thoughts on other possibilities? I guess we will not know for sure until GM relleases the detailed specifications.
Logic would indicate what you found in the past generations should be the case now. I can't see how it could be cost effective to tool up to make two different wiring harnesses for the same vehicle. But then again, I couldn't understand tooling up to make two different doors, one for mirrors and one not for mirrors. The door thing seems really off the wall when I think about the possibility for litigation. What happens when someone gets T-boned driving a truck with the weaker door, without the extra reinforcement and some ambulance chasing lawyer decides to make a case that had the stronger door been used a casualty woud not have occurred or been less severe. Sounds far fetched until I look at my cup of coffee from McD's and see the warning that the hot coffee is hot.
I was hoping they would work also. I have power and heat, but for now it looks like no turn signals. I need to find the pin out for the plugs and a schematic for the wiring harness to determine if anything can be done.
The stock mirrors did not have turn sigals. The tow mirrors had turn signals in them. I did not expect them to work because the plug on the wiring harness on the truck had one less active connection than the plug on the mirrors. I assume this missing conection was for the turn signals. I don't think the effort and expense of trying to connect up the turn signal function would be worth it. I never had turn signals in my mirrors and never missed them. If I was towing a trailer all the time it would be a safety enhancement I would try to activate, but I only tow occassionally. Unless I see somthing about an easy fix I don't think I will pursue it.
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