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Drives

Found 4 results

  1. Hey Guys, I have a 2010 Chevrolet Tahoe PPV with a 5.3L LMG and a 6L80 Trans (MYC) looking to drop in a 6.2L L9H. As far as I understand it is a direct swap. Would I run in to any issues or codes as far as the L9H not having AFM/DOD? I plan on using the 5.3L PCM and having it re flashed to work with the 6.2 Or do I look for a L94 that has FlexFuel, VVT, AFM like the LMG does?
  2. Need help diagnosing my 6l80 trans. Truck has 120000 miles, trans fluid and filter were just changed about 1 month ago. I was driving the other day when my truck made some grinding noises coming off a stop sign and fell out of gear and would only rev. Managed to coast to a parking lot and cycled the key. Shifted into Drive and trans started making whining noise but went into gear however fell out as soon as I gave it some throttle, same in reverse and manual gears. Was able to load the truck up on a trailer by constantly starting and turning off engine and moving forward a few inches before falling out of gear. Got home and checked for codes, found codes (U0073 Can Bus A Off) (P2723 Clutch Pressure Solenoid E/5 stuck off) (C0800 Power Module issue) and (P0700 Generic trans problem code). Checked trans oil and it was dirty and burned with small metal flakes in it so I figured it was some internal issue like pump and clutches. Dropped the trans, opened it up and found a ton of metal dust and a few flakes in the pan. Tore into the clutch packs but none of the clutches were burned up or over worn, all be it a bit worn but not worn out. Pump had some wear on the bell housing but nothing emery cloth couldn't smooth out. Valve body seems normal and all the check balls are fine. No noticeable issues with seals or gears or valves. Did a resistance test on the Can Bus and it passed with 61ohms and the correct voltage readings. Im figuring the TCM/Solenoid Body because the Can Bus code, Solenoid E Off code and Power Code Along with Torque Converter because all the material in the pan and whining noise. Figured Id go ahead and replace the clutch plates and pump seals as well while I'm in there. Am I on the right track or could I be over looking something? Are the new TCM units from the dealer plug and play or would it need to be flashed first? Can these issues be explained by these components? Thanks
  3. Hey Forum, I am trying to find out what exactly my max tow rating is. First off, I have believed since I owned the truck that it had 3.73 gears. I requested the build sheet from GM and turns out I actually have 3.08 gears (RPO code GU4). I also thought I had the heavy duty tow package (RPO code Z85), but the build sheet says I have the "Trailering Package (Special)(Reese Type Hitch)" which is RPO code Z82. The sticker on the drivers side says the weight of cargo and occupants should not exceed 1577 lbs. So, 7700lbs GVWR - 1577lbs cargo capacity = 6,123lbs curb weight? According to the below site, the max towing capacity is 11,200lbs with 3.73 and max trailer tow, which is what I thought I had. With 3.08 gears and no max tow package, it is only 6,600 lbs, which is a huge difference keeping safety in mind. The guide does mention Z82 as the heavy duty package, but does not explicitly call Z82 the "Max Trailering Package". What i think is happening here is the Z82 is the Max Trailering Package on a Z71. https://my.chevrolet.com/content/dam/gmownercenter/gmna/dynamic/manuals/2014/chevrolet/Multiple Model PDFs/MY14 Trailering Guide_1113.13 - Equinox.pdf So, now that I am unsure of what exactly my tow rating is, I just want to confirm I know the correct limits of my truck. Truck: 2014 Silverado Crew Cab, LTZ Z71, Short Box RPO codes that may help: GU4: Axle, Rear, 3.08 Ratio JD9: Brake Vac Power, 17" Disc/Disc, W/VSES, 7700 LBS JL1: Control, Integrated Trailer Brake KC4: Cooling System, Engine Oil KNP: Cooling System, Transmission, Heavy Duty L83: Engine Gas, 8 CYL, 5.3L, SIDI VVT, AFM, E85 MAX, ALUM, GM MYC: Transmission Auto 6SPD, HMD, 6L-80 Z82: Trailering Package (Special)(Reese Type Hitch) Again, I have the full build sheet so just let me know if that would help you guys help me
  4. New to GM-T, but not forums in general. I have a list that I follow for reasons explained below. I found this site and figure it would be a good site to contribute to for a couple of reasons. My DD is a 2006 GMC Sierra SLE extended cab, bone, bloody stock with 186K miles. Well, other than a Rough Country 3" leveling kit and new sound system. 1. I do not like the way that the GMs tend to droop in front, and the OEM sound was, like totally shot. Other than those two items, no issues with it so far, but it is pushing the mileage where stuff, major stuff, could start going wrong. I do my own wrenching as much as possible so having a site dedicated to the truck is a good thing to have. The second, and probably the primary, reason is that when I am done with my '88 Blazer rebuild . . . oddly enough with just about the same number of miles, 195K, I believe . . . it will be more late model than production year. By late model I mean the 14blt FF rear diff is out of a 2009 2500 HD Silverado, the motor & tranny are 2008 LY6/MYC (I think I got those correct. It has been awhile since I had to remember that), custom NP241 TC, 2008 DIC and instrument panel & electronics (If I don't update to something newr before I get to part of the build), '88 D60 front diff 2006 Tahoe front & 3rd seats, etc. All of '88's electrical and electronics are either going to be from the '08 or totally updated to improve the power quality to the electrical devises, i.e. window, door locks, etc,. So, while the body and frame are pretty much vintage '88, the drive line from the cooling fans back to the rear diff as well as much of the cabin interior are going to be late model. 2nd tier is an ECS out of a Sclade or crew cab, but I am not sold on that much work or expense yet. If I find a system that falls in my lap, I amy figure out how to get it in . . . changing from a vacuum to an EMA system may be more intriguing than desirable. So, between the '06 GMC and the late model drivetrain and electronics on the '88, while a lot of the posted stuff I have read so far is late model glitz and glam; stuff that sounds good in a conversation or looks good on paper, but doesn't do much for driving it to the office, grocery store, or the golf course all that much, the tech talk seems to be pretty straight with the performance upgrades and the maintenance discussions. For the '06 I am interested in posts on vehicle specifications, general operation, reliability issues, maintance discussions, worth while performance upgrades and good tech stuff like that. As for the '88, I am going to put just a mild cam in the LY6 to boost HP a little bit, and I am hopeing someone . . . which I have found aleady seems to be the case . . . knows their way around HP Tuner because between here and LS1 I am most like going to be looking for some serious assistance when it comes to getting the motor and ECM package to function correctly in that old truck. I think it is getting late here. I will be posting some of the social stuff allong with pics and stuff in the next few days. Looking forward to the good reads on this site and glad I stumbled across it. I found it by the way while looking for specifications on the OEM torque converter installed on the '08 donor. Didn't find the specs here yet, but found a good read on the operation of the 6L80/90e tranny. Duke
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