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Drives

Found 19 results

  1. I have a 2019 Silverado LD with 21k miles on it. I noticed that if I'm in manual mode, I get a hard downshift from 3-2. No other gears. It does it off and on. What could it be?
  2. Okay, after 11 months of agonizing mishaps, set backs and over all triumph, I figured it was time to immortalize my truck in a new post. Please welcome my 2014 GMC Sierra 1500 7.0 (427) Turbo Build! Block: Texas Speed and Performance Darton sleeved boost ready block; 7.0L (427). TSP Forged wet sump crankshaft 4.0" stroke 6.125 Boost specific billet I-Beam Rods CP 4.125 -12cc Dish Pistons w/upgraded wrist pins. Clevite main bearings Clevite rod bearings ARP Main stud kit Cylinder Heads/ Intake Precis
  3. Hey guys, new to the forum. I have a 2016 Silverado 1500 with the dreaded whine that seems to be the torque converter. I am almost certain that is what it is. The only video I’ve found that has the same exact sound is here How hard is it to pull the transmission just to swap out a nee TC? Does that sound like the TC or the pump? Anything I need to be sure I do? Truck is still driving fine, but not sure for how long. Any tips would be appreciated. Also looking for the best TC that will last.
  4. I had purchased AMSOIL Signature Series ATF for my 18 Silverado - 6 speed. After having it sit for a while and never getting to a transmission flush on my own time, I called a local, honest, reputable transmission shop near me that has always treated my dad very well. They’re a no-bull, honest shop, and the owner is down to earth and knowledgeable regarding transmissions, as he should be. I informed him I had AMSOIL and wanted it switched with that, and he advised that for the 6L80E, it wasn’t a great idea. He has nothing against a better fluid, but he advised that AMSOIL doesn’t treat the ele
  5. So I've been dealing with this clunk on my '14 6.2 Sierra crew s/b. It is most noticeable when letting of the gas in second gear, but is also noticeable in higher gears to a lesser degree. It will clunk every time I let off the gas in second gear. The driveline will absolutely not clunk in first gear. The first time I took it in to the dealer the service manager rode with me and agreed that the clunk didn't seem normal and suspected the rear axle or driveshaft was the culprit. I was pleased that he appeared willing to dig into the problem and was hopeful for a resolution. Later that day I retu
  6. Hi Long time lurker , i have a 2017 Gmc Sierra 1500 with the 5.3with the 6l80e . Im a trying to add a auxiliary transmission filter. i wanted to go with the the derale part number 13005 in conjunction with a NAPA 1269 filter. i have read both write ups done by FL335i and cossack. But on my truck the lines are routed different i included the attachment below .I want to try use an AN Adapter fitting to replace the #2 which is the gm quick disconnect19210848 with something like Earl's Performance AN to Straight Cut O-Ring Fittings AT949094ERL. but im having trouble coming up with a solution
  7. Hi, first time posting on here, I hope I am not bringing up an issue that has been solved or brought up elsewhere. Here we go, I have a 2015 single cab swb 4x4 that came with a 4.3/6l80e, i have swapped this to a 2017 l86/ 8l90e. Truck was fully operational prior to swap no issues, upon completing the mechanical portion of the swap and starting the electrical checkout I have run into some issues. Truck will power up bcm/ gauge cluster with no issue/ lights but I have no ecm activation as fars fuel system coming on or engine rolling over. I am getting the following DTCs: 2535, U0100
  8. Just wanted to post on here, as I have seen no less than a thousand posts with questions about the 6L80E, specifically about the power threshold of a stock unit. I have a 2014 GMC Sierra SLT Crew Cab Standard Bed stock 3.42 gears stock drive shaft stock 20" rims/tires 6.2L fully forged top/bottom end "Armageddon Twin Nagasaki's" (GT3582R's) e-boost 2 gauge Z06/LT4 fuel system 365lph in-tank Armageddon fuel pump QTP exhaust cut-outs and laid down 965rwhp/850 rwtq on a mustang dyno with 18psi on 116 race fuel (cut-outs open). I say all of this because the stock transmission detonated the 4-5-6 s
  9. Hey Folks, I've been searching all over the NET for info on this situation. I have a 2014 Sierra 1500 Denali 4x4 equipped with a 6.2L and the 6L80e. I'm looking to swap in the 8l90 and would like to know what it will take. The engine set up is capable of producing over 1100 hp however, I'm restricted due to the transmission. Any assistance would be appreciated.
  10. I have a 2008 Silverado that a did a 6.0 with 6l90 swap with a new engine harness. i have everything running fine been dirves great.. trying to get the tutd to work with the stock ( bcm ) setup iv swapped everything over 6l90 steering column and wire harness 6l90 instrument cluster, brand new shiftier lever , hp tuner is been set up for it.. come to find out the engine harness doesn't have pin 7 in the transmission plug my question is if don't want to buy anther harness just for 1 wire so where does the pin 7 go to in a stock set up with a body control module in a 2008- 2013 silverado.
  11. I have a 2008 Yukon XL Denali with the 6l80e and it feels like you got rear ended when it shifts 4-5. I took it to trans shop and had codes read. It is reading p0989 TFP Switch 5 low voltage p0842 TFP Switch 1 low voltage p0872 TFP Switch 3 low voltage p0877 TFP Switch 4 low voltage I have found very little on this but was just wondering if anyone had a common issue or had fixed this before. Also could these codes cause that shift problem?
  12. I’m looking for any information on swapping gen3 5.3 With a gen4 controller (I want to use the 6L80e transmission.) I know the knock sensors are in the valley cover and it has the 24x reluctor and 1x cam sensor. I’ve heard it is possible to relocate the knock sensors to where they are on gen 4 block and swap reluctors and cams to work with the gen 4 controller, does anyone have any experience with actually doing so?
  13. Hey all, I have a 2017 LT 5.3 Z71 that just turned over 10k miles. I've never had a truck under warranty so I haven't jumped into many mods yet (did an intake tube and hoping for an exhaust soon though). Trucks/jeeps I've had in the past I've upgraded the transmission pan to hold more fluid/cool better, on my Tahoe I did the same to the rear differential cover for toughness and cooling ability. I've never had a new truck but plan on holding onto it for a long time so my thoughts are longevity/preventative/bulletproofing the drivetrain. Anyone have thoughts/experience/opinions?
  14. Just wanted to relay a story in case anyone runs into this issue. Well, a couple weeks ago I did a simple pan drop, filter change, and added 6 quarts of Amsoil Signature series fluid. The truck was shifting really smooth and running great for about 3-4 days. After that I noticed a shudder at 20-30 mphs. Nothing major and it felt like it was coming from the back of the truck, so I assumed it was the rear wheels needing balancing. After more driving of the truck I slowly realized the shudder was likely due to the torque converter. I had bought 3.5 gallons of amsoil fluid and ha
  15. Alright so I’ve been wanting to to the 6l80 swap in my 2011 rcsb 4.8/4l60 for a while now. Not for gas mileage or anything like that, simply because I want to. I am capable of doing the swap and have a tuner, just need to know what all is needed. Thanks!
  16. Hey guys, i bought another used K2 recently. This one is a MY 2014 4x4 with a 5.3L mated to the 6L80e. I have been driving it about 2 months now and about two weeks ago when slowing down into a 35mph zone in town, it downshifted at 35mph to 1st gear which jumped the motor to 3,500rpm, threw a CEL and would not shift out of first. Thank my lucky stars I just happened to have my scan tool with me. So I pulled over, scanned the truck and got P2715, pressure solenoid D stuck open. This means a shift solenoid was stuck in the open position and would not let the transmission shift out of 1st gear. I
  17. Just under 8k miles. Would prefer local pickup but I can deliver within 100 miles of 77377, or for a small fee I can deliver further if needed. Price is $3800.
  18. Bought this for one of my father in law's project cars but it looks like he may have found a different motor for it. Was said to have 8k miles on it, and looks almost new. Asking $4000 for the motor, trans, rear end, and computer/harness/pedal.
  19. Hi all, Pseduo newbie here. Not new to mechanics or even GM trucks, just new to the GMT900 platform. Hoping you guys could help me out. I've searched google and this forum looking for answers, but have not been able to find anything similar to what I'm experiencing. Please forgive me if I missed an obvious thread. I'm not entirely sure what I need to be searching for. Was hoping you guys could steer me. We bought a low miles (71K) 2009 Silverado from a dealer recently, and it started having transmission issues within 1,000 miles. It came with a dealer-provided lifetime power-train war
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