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#1
10-28-2018, 05:23 PM
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Truck in and out of reverse
Today my truck started feeling like it is popping out of gear in reverse. It feels like it's in neutral for a second then bangs back into reverse. It only does it some times when you are backing up an incline or a trailer where you need to give it some throttle to keep moving. I cannot get it to happen by holding the brake and giving throttle stationary It seems the truck needs to be moving. Seems to do it 50% of the time. Otherwise it is normal with no noises when it's not acting up. Can the transfer case cause this sympton only in reverse? I'm hoping it's not in the trans. Trans was built almost 3 years ago and has been flawless. I'm going to drain the transfer case fluid when I get time and check for metal but wanted to see if anyone had this issues and could point me in the right direction.
Thanks
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02 chevy ccsb Banks intake, profab horn, banks big head, LDS 63.5 mm wheel kit, ATP tunes, DSP 5, 4 exhaust, mbpr downpipe, kennedy single lift pump w/cat filter, Dipper trans. BT diesel works lock up box. all moog front tie rods with sleeves. Moog idler and pitman arm. 285/75/16 tires. Boost, egt, lift pump pressure, and rail pressure gauges 
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#2
10-28-2018, 07:48 PM
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Not a good thing. Iirc mine did the same thing and it was a torn apply piston
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02 LB7, LLY, LBZ, LMM, LML, L5P 2500HD CC/LB dmax/alli "The Limo" BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.  best time to date: 12.39 motor died/bent rods = 3/11/11 back from the dead 7:04pm 4/9/2012 Limo is back in the garage, now driving a built chevy tracker  Tailgate Crew Member #4
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#3
10-28-2018, 08:46 PM
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LLY's are COOL HUGE Thanks to Chris, Mike L., McRat Racing, Total Performance Diesel, PPE, Trent, Wicked Diesel, Mike, Henry of Creatures of the Night, Exergy Engineering and the rest of Team Salad<--My Tailgate's Always open for all of you!! 11.84 @ 115 Tailgate Crew Member #2
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#4
10-29-2018, 03:34 AM
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I was reading about a torn c3 piston . My problem happens when I'm on the throttle. From what I was reading with others situations if it was a torn piston it would bang into gear with throttle and fall out when off the throttle. Just hoping it wasn't going to be in the trans. What causes a torn piston? I was ideling for like 15 mins jump starting a stupid bucket loader before this happened.
Thanks for you input guys
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02 chevy ccsb Banks intake, profab horn, banks big head, LDS 63.5 mm wheel kit, ATP tunes, DSP 5, 4 exhaust, mbpr downpipe, kennedy single lift pump w/cat filter, Dipper trans. BT diesel works lock up box. all moog front tie rods with sleeves. Moog idler and pitman arm. 285/75/16 tires. Boost, egt, lift pump pressure, and rail pressure gauges
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#5
10-29-2018, 03:55 AM
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Tom "BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15 "The Cruzer" -- 2014 Chevy Cruze Diesel -- the DD "Kleshay" -- 2000 C5 Corvette -- the toy Marlene (Molly) Bacon -- 1936 - 2019 -- RIP Mom  You're already missed, at home and on the piano. Two wrongs dont make a right, but three rights do make a left. Reality is a matter of perspective. This forum isn't for the weak of heart.....or wallet. "Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!" -- mufflerguy (yb)
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#6
10-29-2018, 03:59 AM
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Externally ground tcm and see if it fixes the problem...
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2010 GMC 1500 RCSB Denali Clone < lifted 22's/33's/ Kooks / Magnaflow / 5.3 / 6l80E / TVS1900 @ 14#'s / BTR Top End / Boosted Bump Stick / Trunion upgrade / 90mm / 10% over / 2.8 griptec / 105 lb ID's / Mayhem built/tuned. 2016 LML CCSB Denali < Lifted 22's/35's, Fox 2.0 < I officially need help. 
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#7
10-29-2018, 08:58 AM
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QUIT TELLING PEOPLE TO DO THIS!!!!!!!! He has an 02 according to his signature and that means he has a 5 speed TCM which will be instantly FRIED if he grounds it!!! I don’t know why you keep telling people to do this when I’ve pointed this out to you before multiple times. Sent from my iPhone using Tapatalk Pro
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2003 GMC CCSB LLY Built by me, tuned by me. 2009 ECI Diesel Truck Points Champion 2010 ECI Diesel Truck Points Champion 2011 ECI Diesel Truck Points Champion 2012 ECI Diesel Truck Points Champion Big thanks to everyone who helps me. Best 1/8th, 7.29, 98.6MPH (Street tires, fuel only, single Journal bearing GT42 charger) (2010) Best 1/8th, 6.93, 104.24MPH (Street tires, fuel only, single HX60 turbo) (2016) Best 1/8th, 6.60, 106.6MPH (Street tires, fuel only, single HX60 turbo) (2017)
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#8
10-29-2018, 09:07 AM
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Have you called Big Dipper and talked to him?
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09 lmm ccsb ltz, moonshine, mpi s480 over 68mm vgt, sdp y bridge, BigDipper trans, 60 overs, 10mm pump, ppe up pipes and manifold, banks intercooler & exhaust, airdog165, isspro guages, traction bars, the list goes on...Big thanks to BigDipper! 01 lb7 red RC/LB 11.58@119 MPH, SOLD 01 lb7 Black CC/LB, SOLD
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#10
10-29-2018, 09:22 AM
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I did send him a text. Just waiting to hear back. I wasnt sure if this was a trans issue and hate to bother him if it was something simple like transfer case. I have heard of a snap ring in the case that can cause issues. just trying to rule out the transfer case first. Since everyone is saying trans I think I got my answer and will talk with George
Thanks guys
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02 chevy ccsb Banks intake, profab horn, banks big head, LDS 63.5 mm wheel kit, ATP tunes, DSP 5, 4 exhaust, mbpr downpipe, kennedy single lift pump w/cat filter, Dipper trans. BT diesel works lock up box. all moog front tie rods with sleeves. Moog idler and pitman arm. 285/75/16 tires. Boost, egt, lift pump pressure, and rail pressure gauges
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#11
10-30-2018, 03:44 AM
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Quote:
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2010 GMC 1500 RCSB Denali Clone < lifted 22's/33's/ Kooks / Magnaflow / 5.3 / 6l80E / TVS1900 @ 14#'s / BTR Top End / Boosted Bump Stick / Trunion upgrade / 90mm / 10% over / 2.8 griptec / 105 lb ID's / Mayhem built/tuned. 2016 LML CCSB Denali < Lifted 22's/35's, Fox 2.0 < I officially need help.
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#12
11-12-2018, 06:05 PM
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Figured I would update this with the fix in case this ever happens to anybody else and they come across this post. My lock up box which is usually in my center console was between my seat an center console. When I would turn in my seat to look out the back window in reverse the lock button was getting hit. For whatever reason the trans will go into a neutral feeling if the lock button is hit while your moving in reverse. Trans and transfer case are both good so I'm happy as can be
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02 chevy ccsb Banks intake, profab horn, banks big head, LDS 63.5 mm wheel kit, ATP tunes, DSP 5, 4 exhaust, mbpr downpipe, kennedy single lift pump w/cat filter, Dipper trans. BT diesel works lock up box. all moog front tie rods with sleeves. Moog idler and pitman arm. 285/75/16 tires. Boost, egt, lift pump pressure, and rail pressure gauges
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#13
01-10-2019, 05:45 AM
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Ha I had a similar issue with my lockup box. I was at the end of the track and thought I had lost the driveline. I was trying to backup to get unhooked but converter was still locked and gave me a neutral scenario lol. It was all better once I flipped the lockup box switch back to normal hahahaha.
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14 Kingranch F350 6.7 PSD 16 Denali LML .....Stock for now waiting to go under the knife!
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