Threads Tagged with 2500hd

2500hd, 4l80, 4l80e, changing, chevy, gears, noise, sound, trans, transmission, whisling, whistle, whistleing, whistles, whistling

4L80E whistling in forward gears

71 Rat on May 17, 2007

Sep 24, 2025 12:15 PM
by RDF1

9

8,515

2500hd, bay, charged, chinese, engine, lq4, motor, pics, silverado, t76, turbo

Sticky

Turbocharged Engine Bay Pics

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1 2 3 4 5 ... Last Page)

03sierraslt on Jan 3, 2013

Jun 26, 2025 11:24 AM
by wizit247

125

233,010

FORCED INDUCTION

2500hd, 60l, arh, cam, classic, forums, high, injectors, lift, lq4, mod, svo, towing, trucker, vhp, whats

LQ4 2500HD Towing Cam

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akcooper9 on Oct 29, 2012

Jan 27, 2025 02:40 PM
by SmokinHot98

83

210,332

Tuning, Diagnostics, Electronics, and Wiring

2500hd, body, chevrolet, chevy, code, electronic, f150, ford, mod, nnbs, p1516, pos, silverado, throttle, whatr

P1516 Code, New Throttle Body?

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1 2 3 4)

metalm0 on Feb 7, 2012

Sep 11, 2024 10:12 PM
by Truck problems

32

146,113

11mm, 2500hd, bolts, gm, gmc, hennessey, joint, joints, silverado, size, specs, strap, straps, torque, ujoint, universal

Torque Specs: U-Joint strap bolts?

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1 2)

GM Muscle on Jan 16, 2007

Jul 30, 2024 07:53 AM
by Rwags

18

150,003

04, 2001, 2004, 2005, 2500, 2500hd, differance, difference, differences, emblems, glasspacks, hd, ld, silverado, stripes

Difference between 2500 and 2500HD?

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1 2)

01blackbeast on May 3, 2007

Feb 3, 2023 08:01 PM
by strutaeng

12

37,196

1500, 1971, 2000, 2004, 2009, 2300, 2500, 2500hd, 2wd, 59926, 59929, abear, angel, angles, blower, c10, calculate, cam, cat, chevy, comparison, covers, decals, delete, difference, dodge, drive, driveshaft, dual, evap, exhaust, exposed, flow, ground, gun, hd, l33, lq9, magnacharger, magnaflow, magnuson, magnusons, motorsports, mugu, pinion, point, project, pypes, rt, school, set, shaft, silverado, specs, ss, sw, system, tensioner, top, trailblazer, truck, true, tvs, tvs2300, valve, wwwbonifiedautocom

Project "Blown HD" my 6/8 drop/shortblock/heads/cam/blower/tranny install

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moregrip on Nov 27, 2005

Dec 28, 2022 03:16 PM
by moregrip

3,189

386,159

2002, 2500hd, 4l80, 4l80e, adapter, case, chevy, coupler, leaks, reviews, silverado, steel, trans, transfer, transfercase, transmission

Anyone break the 4l80e to transfer case coupler before?

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1 2)

JoeyGC5 on Nov 27, 2009

Dec 17, 2021 02:34 AM
by RDF1

16

18,534

04, 05, 14, 2005, 2006, 2500, 2500hd, 60, chevrolet, chevy, mile, silverado, stock, time, times, v8

2500 6.0 stock 1/4 mi times

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1 2 3)

LT14LIFE JT on May 29, 2006

Mar 6, 2021 05:59 PM
by stealthperf

25

43,163

2004, 2005, 2500hd, 5th, 60, dodge, electric, fans, gmc, pulling, silverado, tow, trailer, trailers, travel, truck, wheel

any 6.0 2500HD pulling travel trailers?

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1 2 3)

ap2002 on Jun 10, 2009

Jan 26, 2021 09:18 PM
by Bgbldodge

22

24,646

2007, 2500hd, 2wd, 60l, 900, chevy, evap, fabtech, gmt, high, lq4, mileage, recalls, replace, solenoid, spindles

How many of are running high mileage trucks?

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HandsomeBWouderful on Feb 18, 2007

Dec 12, 2020 08:16 AM
by pknowles

239

79,014

2003, 2500hd, 60, cammed, chevy, donde, en, esta, exhaust, mellow, ubicado, vvt

2500HD 6.0 cammed Flo-Pro 2505 Installed!

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1 2)

jdelp on Apr 1, 2014

Oct 9, 2020 07:05 PM
by dantheman1540

14

10,815

2500hd, 46, 4x4, block, chevy, drop, f150, flip, key, kit, lower, lowered, lowering, nnbs, rear, remove, trucks, ways

lowered 4x4 guys

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ncange4 on Jan 11, 2012

Oct 4, 2020 09:47 PM
by _zebra

55

28,865

Dynamometer Results & Comparisons

2005, 2500hd, 500, 60, chevrolet, diagram, dynotruck500, forum, hp, list, lq9, na, net, parts, performance, trucks

Sticky

"THE NEW DYNO TRUCK LIST" aka DTL

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1 2)

moregrip on Nov 4, 2011

Jun 14, 2020 06:36 PM
by Q8y_drifter

17

14,324

02, 2000, 2002, 2500, 2500hd, bottom, bumper, cap, hd, hood, normal, silverado, swap, vs, z71

Differences between 99-02 1500 and 2500HD grille/bumper?

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1 2)

thunder550 on Mar 13, 2013

Jun 6, 2020 05:12 PM
by adriver

10

61,693

08, 2008, 2500hd, clicking, dont, nbs, nnbs, panel, remove, removing, repair, roll, silverado, switch, switches, window

How To: Fix NNBS Window Switch

mdwatts11 on Nov 3, 2012

May 18, 2020 02:50 PM
by shootermwc

9

12,424

TECHNICAL WRITE-UPS

14, 2005, 2500hd, 95, axle, bolt, chevrolet, end, fit, gear, gm, lug, rear, ring, rotor, sf, size, ta1803, wont

9.5", 14-bolt, SF Full-Size Rear with Discs?

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1 2 3 4)

Mr. Sandog on Dec 9, 2006

Apr 28, 2020 04:17 AM
by Coco Alberto

35

61,558

2005, 2500hd, 53, broken, chevy, dynatech, exhaust, fix, headers, install, lightning, manifold, marine, silverado, studs

Ebay/OBX style header install w/plenty of PICS (LONG, but detailed)

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1 2 3 4 5 ... Last Page)

rel3rd on Oct 31, 2009

Jul 31, 2019 11:22 AM
by rel3rd

596

203,089

INTERNAL ENGINE MODIFICATIONS

03, 0306, 05, 06, 2500hd, 9902, add, center, console, dash, escalade, factory, fit, half, short, silverado, swap

Escalde full center console same fitment as Silverado?

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1 2 3)

A Low Dime on Jan 24, 2012

Jul 22, 2019 09:07 PM
by Adam M

26

63,292

STEREO & ELECTRONICS

15178666, 2003, 2500hd, 99, amp, bose, bridge, chevrolet, cluster, dealership, gauge, gauges, gm, radio, silverado, ss

bunch of parts for 99-06 trucks/suv's and more!

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1 2 3)

redsled579 on Nov 4, 2010

Jan 22, 2019 06:03 AM
by arthursc2

22

8,535

GM Parts Classifieds

030, 2500hd, budget, build, cam, dished, fuel, hd, long, lq9, mileage, pistons, question, rebuilt, stick, tow, tube, vinci

Budget LQ9 build questions

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1 2)

BIG BRUTE on Jan 8, 2014

Jun 27, 2018 03:40 PM
by 00pooterSS

14

11,526

02, 03, 2002, 2500, 2500hd, 81, 81l, antifreeze, changing, chevy, leak, leaking, leaks, oil, smell, tranny

HELP...8.1 Loosing Coolant!!!

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1 2 3)

Ender06 on Mar 14, 2009

Mar 18, 2018 12:10 PM
by TonyT

29

54,229

02, 2500, 2500hd, 60, build, gmc, junkyard, kit, lq4, on3performance, turbo

6.0 Turbo build

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GRRR65GTO on Nov 26, 2013

Mar 13, 2018 08:00 PM
by silentbravo

323

128,133

0102, 07, 1500, 2500, 2500hd, angle, chevy, clip, conversion, end, front, hd, houston, job, performance, swap, valve

POST PICS!! 01'-02' 2500HD front end conv.

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2doorfury on Nov 2, 2012

Jul 3, 2017 02:50 PM
by S14serge

110

371,995

SHOW & SHINE DISCUSSION

2500hd, 4wd, blows, box, break, hold, installed, kit, long, monster, rebuild, slip, slipping, tranny, transmission

Transmission started slipping, how long do I have?

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1 2 3 4)

Mud slinger on Jun 14, 2010

Apr 13, 2017 04:51 AM
by Jonathan Annett

31

15,790

2500hd, 4l80, 4l80e, 4x4, case, drive, driveshaft, ecsb, length, ls1, measure, obs, shaft, side, swap, transfer

4L80E swap guys in here, do you have drive shaft length?

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1 2)

lafnlt1 on Jan 2, 2009

Feb 28, 2017 11:37 PM
by Ford_Assassin

11

27,191

2011, 2500hd, 60, cam, cams, end, gm, good, low, lug, torque, tow, tuner, tweak, wheel

good torque/tow cam for 6.0 2500hd

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1 2 3)

chevydad on Mar 10, 2011

Nov 9, 2016 12:17 PM
by Tootall

26

178,301

05, 150, 2500, 2500hd, 60, 60l, chevy, forum, forums, hp, live, miles, mods, silverado, tune, turbo

05 chevy 2500 6.0l turbo

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1 2)

Danny Allen on Sep 18, 2012

Aug 25, 2016 12:29 AM
by HDhotrod

13

42,437

2001, 2004, 2005, 2500hd, assembly, axle, bearing, diagram, gears, gmc, housing, j2222, model, nut, rear, rearend, slop, wheel, wrench

06 D-Max rear wheel bearing

shawn_c992001 on Jan 8, 2010

Jul 10, 2016 02:36 PM
by wvmayflower

8

19,981

08, 2005, 2007, 20072008, 2008, 2500hd, 2500s, 60, allison, chevrolrt, chevy, hd, horsepower, problems, silverado, trans, transmission

Gas 6.0 2007-2008 2500 HD Transmission question

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1 2)

pasadenaman on Jun 11, 2010

Apr 4, 2016 01:02 PM
by Wolftrk99

10

75,794

2008, 2500, 2500hd, 35s, 37, 373, 456, 488, 60, add, chevy, gas, gear, gears, hd, tires

which gear..3.73 to 4.56/4.88 w/6 speed 2500HD and 35's

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1 2)

quicksr20 on Mar 9, 2011

Mar 15, 2016 04:13 PM
by brandonrac15

10

23,449

01, 2012, 2500hd, 60, autocal, cammed, chevy, dyno, exterior, gmc, mods, pan, roll, sierra, tailgate

My 2500HD Project

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1 2 3 4)

Tim94gt on Mar 20, 2012

Jan 7, 2016 09:53 AM
by Tootall

30

10,995

2007, 2500, 2500hd, 4l80e, chevy, gear, gearvender, gearvendors, overdrive, shift, silverado, split, vendor, vendors, works

Has anyone seen a Gear Vendor Overdrive on newer 4L80e?

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1 2 3)

oakley6575 on Sep 5, 2012

Aug 14, 2015 07:37 AM
by TURBHOE

21

54,543

02, 2500hd, 4x4, 9902, bracket, bumper, chevy, end, front, hd, headers, install, lowered, lpp, parts, performance, silverado

99-02 2500hd front end finished and install tips

(

1 2 3)

2000chevysilverado on Dec 23, 2012

May 16, 2015 11:28 AM
by GraySingleCab

27

39,287

SHOW & SHINE DISCUSSION

2500hd, 3600, 5290, detroit, disk, houston, morel, preload, pulleys, rebuilds, triple, tx, yank

my rebuild

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iamkeniff on Aug 29, 2013

May 12, 2015 09:18 PM
by iamkeniff

251

41,705

2001chevy, 2500hd, 60, cam, dyno, exhaust, gmc, mod, mustang, na, performancetrucks, set, sierra

2500HD 6.0 N/A "1 day" build

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1 2 3 4 5)

SamuelsonMotorsports on Dec 19, 2013

Mar 29, 2015 11:10 PM
by SamuelsonMotorsports

47

28,079

2500, 2500hd, 81, allison, chevy, crank, crankshaft, driving, ecm, gmc, position, relearn, replacing, sensor, shuts, sierra

8.1 Shuts off while driving

(

1 2)

Red95Formula on Mar 11, 2008

Mar 14, 2015 03:04 PM
by thagodfusion

11

19,496

04, 2004, 2500hd, chevy, code, duramax, inhibited, neutral, p0872, range, safety, shift, silverado, switch, u2106

allison problem

(

1 2)

whippled 8.1l build on Jan 1, 2013

Mar 4, 2015 06:32 PM
by richardkmolina

18

10,874

2500hd, 4l80e, add, external, filter, high, l80e, normal, operating, pulling, run, temp, temperature, temps, trans, transmission

4l80e normal operating temp?

(

1 2 3)

dirtdiggler02 on Apr 9, 2012

Feb 22, 2015 01:07 AM
by Suburbazine

27

110,863

2004, 2500hd, 44900, 81ltr, gm, gmc, j42849, j44900, kent, ltr, moore, performance, rent, sale, tools

kent moore 8.1 ltr engine tool set j-44900

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1 2 3)

slammedchevy on Jul 21, 2013

Feb 21, 2015 08:00 PM
by slammedchevy

21

14,194

GM Parts Classifieds

2000, 2006, 2500hd, breather, case, duramax, gmc, hose, line, mangled03, routing, transfer, tube, vent, z71

Tranny breather lines?

Country Boy on Sep 8, 2008

Feb 20, 2015 03:18 PM
by Mike1992

9

29,793

1500, 20, 2005, 2500hd, 261hd, forum, grinding, issues, missouri, noise, nv4500, silverado, tilt

Learn from my issue NV4500 261HD fail!

twin74s on May 15, 2012

Feb 9, 2015 03:24 PM
by GreyChevy

3

3,234

06, 1500, 2005, 2006, 2500hd, bills, chevrolet, chevy, dmax, driveshaft, duramax, englewood, lbz, ls, rcsb, swap

Back in the game. RCSB 1500 D-max swap coming...

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thunder550 on Feb 23, 2013

Dec 28, 2014 09:15 PM
by thunder550

607

171,827

GMT K2xx Trucks General Discussion

2015 Sierra 2500HD Build

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1 2 3 4)

JasonHD on Oct 17, 2014

Dec 8, 2014 01:28 PM
by JasonHD

38

7,555

04, 12575182, 12575183, 2001, 2004, 2500hd, 81, 81cam, cam, chevy, crankshaft, gmc, pc340, sale, sensor, smp

8.1 cam sensor discontinued???

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1 2)

SchwarzBiest on Mar 6, 2013

Nov 18, 2014 04:09 PM
by Raylar Engineering

15

53,169

Trucks and SUV Classifieds

2001 Silverado 2500HD crew cab shaved 76mm turbo

SVC707 on Oct 27, 2014

Nov 4, 2014 10:15 AM
by SVC707

1

1,995

LS9 Cam in an LQ4

(

1 2 3)

LQ4 Tank on Sep 29, 2014

Oct 10, 2014 11:19 PM
by LQ4 Tank

20

30,039

MULTIMEDIA (truck related)

01, 2006, 20s, 2500hd, audio, cab, cal, crew, custom, gmc, headers, lowered, shackles, sierra, speed, vho

My POS Crew Cab

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1 2 3 4 5 ... Last Page)

texasglock23 on Jan 17, 2012

Oct 4, 2014 09:19 AM
by texasglock23

115

20,687

2006, 2500hd, 350, 4l80e, 5575, chevy, clear, low, rpm, shudder, shudders, slippage, speed, tbi, vibration

4L80e - low RPM vibration when converter is locked up

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1 2)

Tootall on May 31, 2011

Aug 10, 2014 02:32 PM
by LS1TRUCKGUY

19

22,971

01, 2001, 2500hd, 60, chevy, code, knock, lightning, location, octane, rating, replaced, sensor, svt, wire

Will 1500 leaf springs fit a 2500hd?

(

1 2)

zeake on Sep 25, 2012

May 3, 2014 12:37 PM
by ullose272

10

11,224

Trucks and SUV Classifieds

Newb/beginer turbo 2500hd questions

(

1 2)

ullose272 on Apr 16, 2014

Apr 16, 2014 11:59 PM
by AkSSS

10

3,313

FORCED INDUCTION

03, 2003, 2500, 2500hd, 81, 81l, chevy, ecsb, gmc, performance, sale, supercharged, supercharger, truck, whipple

2003 2500HD ECSB 8.1L Whipple Supercharged

(

1 2)

Whippled 496 on Feb 4, 2014

Mar 25, 2014 05:33 PM
by Whippled 496

14

22,486

2005, 2500hd, 60, forum, powersteering, pump

Power Steering Issue

ROADBLOCK on Jan 31, 2014

Feb 14, 2014 11:47 AM
by ROADBLOCK

3

789

04, 2000, 2004, 2500, 2500hd, bad, cat, code, misfire, o2, p0300, po300, random, sensor, silverado

po300 random misfire

(

1 2)

cffd175 on Jan 4, 2012

Jan 24, 2014 01:26 PM
by MaDChevy95

16

31,582

Tuning, Diagnostics, Electronics, and Wiring

Turning off adaptives on 6L80

01WS6/tamu on Jan 7, 2014

Jan 23, 2014 10:54 AM
by Noah Burns

9

8,163

2011, 2015, 2500, 2500hd, brush, bumper, bumpers, chevy, dura, fit, forum, grille, guard, max, silverado, wench, winch

Bodyguard winch bumper/grille guard for 2011-2015 Silverado 2500HD

thunder550 on Jan 13, 2014

Jan 13, 2014 09:05 PM
by thunder550

0

8,037

GM Parts Classifieds

2013, 2014, 2500, 2500hd, 60, 62, edelbrock, hd, make, silverado, silverodo, slp, supercharger, superchargers, truck

supercharger for 2013 2500hd 6.0?

gotmud2178 on Oct 22, 2013

Jan 12, 2014 12:07 PM
by gry17

4

7,487

2500hd, 81, big, block, cfm, clutch, custom, electric, fan, fans, gmc, rating, stuck, tow, truck

Electric fan on 8.1 avalanche

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1 2)

1SloLQ9 on Nov 18, 2013

Dec 10, 2013 07:57 PM
by 01WS6/tamu

18

15,345

Silverado SS, Joe Gibbs Editions, SSR

01, 08, 2007, 2012, 2500, 2500hd, classic, difference, f150, fit, forum, forums, hd, hood, silverado, ss

Silverado SS hood vs HD hood

(

1 2)

dave84 on Jun 24, 2012

Nov 19, 2013 11:42 AM
by timmay208

18

51,788

2500hd, 60, 62, 78, budget, headers, pacesetter, pacesetters, silverado, truck

1 7/8 Pacesetter Headers Installed

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dirt track racer 81 on Aug 15, 2013

Nov 11, 2013 08:55 PM
by Three6GMC

50

18,197

2001, 2500hd, 81, 81l, big, block, boat, chevy, gain, gmc, hd, headers, hp, sierra, silverado, stainless, works

Big Block 8.1 Headers w/2" Primaries

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1 2 3)

Stainless Works on Jun 25, 2012

Oct 24, 2013 06:43 AM
by yooperLS6

23

25,326

2500hd, 4l80e, auto, clutch, fine, gmc, loaded, mods, probs, silverado, slip, slips, stock, sweetwater, transmission, tx, unloaded, zone

transmission problems, need help

(

1 2)

03silveradoLS on Sep 17, 2012

Sep 13, 2013 05:16 PM
by NemesisC5

11

3,029

18, 2014, 24, 2500hd, chevy, denali, drop, gmc, nbs, obs, rcsb, rims, sierra, silverado, wheels

Anyone mounted 2014 18's on a NBS?

(

1 2)

ACLR8R on Aug 25, 2013

Sep 12, 2013 07:26 PM
by Blackpanther99

10

10,429

MULTIMEDIA (truck related)

20, 2012, 2500hd, 275, 2756020, 420s, 55, 979, belltech, ck375, gnc, kits, lowering, nitto, sierra, sp

New Stance w/ Pics

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1 2 3)

mdwatts11 on Jul 21, 2013

Sep 4, 2013 04:13 PM
by Medic/Z28

26

11,724

2, 20s, 2500hd, 3055020, 35, backspacing, bigest, biggest, front, general, kit, lift, rub, silverado, sportster, tire, tires, wheel

Biggest wheel/tire combo without a lift kit on a 2500HD

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1 2)

SLOW 94 LT1 on Dec 27, 2005

Aug 10, 2013 04:35 PM
by Tmaartin

11

15,835

08, 11, 2500, 2500hd, black, brackets, bumper, denali, fir, front, grille, hd, number, part, performance, swap, trucks, valance

2500 HD Denali bumper question

(

1 2)

-KILO- on Jul 4, 2013

Jul 31, 2013 03:10 PM
by carbongmc

10

4,418

2005, 2006, 2500hd, coat, forum, high, installer, performance, powder, power, pulley, pulleys, pump, silverado, somethingstupidnet, steering

did something stupid

(

1 2)

greasemykey on Mar 10, 2012

Jul 29, 2013 09:20 PM
by greasemykey

16

3,576

25, 2500hd, 35s, 43, 75, blackbear, daily, driver, drop, install, kb, kit, nnbs, rcsb, shackle, tune, turbo

07 nnbs turbo help

hotrod2322 on Jun 16, 2012

Jul 29, 2013 02:42 PM
by alex226

7

2,191

FORCED INDUCTION

2002, 2500hd, 4l80e, 53, beefing, chevy, converter, cracking, drivetrain, flexplate, lq4, sfi, silverado, up60

Whats the best 4L80E flexplate to use and thoughts on a shift kit

lockner13 on Jul 22, 2013

Jul 24, 2013 08:27 AM
by Circle-D

8

4,862

08 Silverado 2500hd clogged cat

Kris Maylone on Jul 11, 2013

Jul 12, 2013 07:49 PM
by Blackpanther99

2

1,262

03, 2500hd, 4in, arm, ball, chevy, control, djm, flip, joints, kit, las, lower, lowering, nv, silverado, vegas

Finsihed up the 4in drop Flip Kit

(

1 2 3)

BlackGMC on Jun 27, 2013

Jul 3, 2013 12:04 PM
by BlackGMC

22

10,312

2012, 2500hd, 53l, 62, cam, camshaft, comp, gm, gmc, kit, kits, performance, sierra, vortec, whatsagoodcamfora62gmc

Best Cam Kit For 09 GMC 6.2

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1 2)

Spencer1990 on Jun 13, 2013

Jun 27, 2013 01:51 PM
by shaw_426hemi

12

48,857

2500hd, 34, 60, 78, cam, headers, heads, lq4

1 3/4 or 1 7/8 H/C/I LQ4 +

silverado.408 on Jun 21, 2013

Jun 23, 2013 08:22 PM
by 01WS6/tamu

8

3,044