Technical Discussion and Customizing your H2 [Archive]

Rear caliper slide bolt (2 replies)
2 posts on here in year 2019! What happened? (6 replies)
Part # for H2 roof rack locking endcaps? (0 replies)
Time to fix the hummer (1 replies)
Power steering (0 replies)
Shifter clicking in park (1 replies)
Stuck in park! (1 replies)
Rear Window Doesn't work Unless Door is Open (0 replies)
Looking for GM or Hummer tech in Vancouver area. (0 replies)
Replacing all bump stops (front & rear) (3 replies)
Range display wrong (1 replies)
Arnold testing the H2 (0 replies)
The H2 versus the competion video! (1 replies)
DELTA 10x conversion LED kit (2 replies)
Need a new transmission (0 replies)
H2 starting to go downhill (0 replies)
What under the plastic? (roof rails) (1 replies)
Part no. needed / source - help (0 replies)
Power Locks question (1 replies)
'03 OnStar Question (2 replies)
HumTech? Easy Ed? Looking for PN Help (1 replies)
help with shopping list - coil conversion new shocks (2 replies)
help with shopping list - coil conversion new shocks (0 replies)
ABS ? AND NEW TECH 2 OWNER, YIPPEE! (1 replies)
High Beam Light On With Ignition Off (0 replies)
Power Steering Pump (0 replies)
Removing the air suspension - Easy Ed? HumTech? (0 replies)
Wiring up LED light help (1 replies)
Just had to do the infamous blend door replacement (6 replies)
Sunroof drain termination? (2 replies)
LEDs/Bulb Replacement for Traction/Tow Switches (14 replies)
Highbeam Indicator (6 replies)
headlights are out (5 replies)
Help identifying gasket for replacement on SUT (0 replies)
Duramax upgrade ... (1 replies)
Sunroof noise and movement (4 replies)
Replacing the Radiator??? (2 replies)
HELP! Rear Driver Door (9 replies)
Help! Leaking coolant (4 replies)
Having an issue removing my spare tire carrier?? (2 replies)
Cabin filter mods (2 replies)
Rear doors locks?? (3 replies)
Transmission went out while towing... (3 replies)
05 SUT Sound System (4 replies)
exterior light bulbs (3 replies)
Some tech questions (0 replies)
HID light issue - Help (1 replies)
Removal of door pull handle and bucket (2 replies)
AC WOES (WTF!!!) (1 replies)
Wheel Spacer ? How much Difference? (3 replies)
Brake System Suggestions? Went 135k on factory (2 replies)
AC Question (2 replies)
Part number for trailer wire houing (2 replies)
a/c compressor (what brand) (1 replies)
Steering Question - Any way to tighten it up? (2 replies)
those with key lift, please read / answer (1 replies)
When adjusting the keys (1 replies)
Wheel studs.....again.... (0 replies)
LIGHT BAR (0 replies)
2006 mirror cs 2008??? HELP!! (0 replies)
Tires rub - Help (3 replies)
Bouncy Ride after new parts - Help!! (4 replies)
Need help finding a part number (0 replies)
Removing Interior Trim Panels (Cargo Area) (0 replies)
Oil.... synthetic to conventional? (3 replies)
Swing-away spare or roof top spare? (5 replies)
Installing Wheel Studs..... (0 replies)
will these fit (0 replies)
Hummer Gremlins Argh! A/C Fan (11 replies)
Need help finding a part (1 replies)
Whats the widest tire that can fit on stock wheel (1 replies)
Let me see you tire setup with 3 inch lift (1 replies)
Are wheel adapters/ spacers safe? (2 replies)
anyone have a pic? 17 inch oem wheel??? (0 replies)
Moog PN help (1 replies)
Need help finding upgraded tires sizes (1 replies)
More profession tranny cooler install (2 replies)
Replacement XM Satellite Antenna (0 replies)
Can I fit 37s on stock suspension with AirRide (3 replies)
Need info about 3 inch front key and 3 inch rear spacer level lift (0 replies)
Question about H1 wheels (all inputs welcome) (1 replies)
Parts and Part Number help (5 replies)
Replacing f and r shocks (6 replies)
quiet at last! (1 replies)
Passenger side dashboard removal (12 replies)
Buying Parts - whatcha Think??? (1 replies)
NEWEST WTF!!! (4 replies)
Oil Pressure Sensor (6 replies)
Trucklite / 27270C 7" headlights.. any experiences? (12 replies)
Shocks - Not happy with Rancho and want to swap (9 replies)
Slotted roters - what kind to get (13 replies)
2008 H2, DRLs not working, changed bulb, checked fuse (3 replies)
2008-2009 lower grill removal for OEM brush guard (1 replies)
water pump hose connector (0 replies)
One Man Brake Bleeder (5 replies)
The 2 is at the shop - Your input (7 replies)
Level Lifting a 2 (1 replies)
TENT (3 replies)
A/C Cooling questions (0 replies)
Hard Notched Customs Winch Bumper (4 replies)
This is why your Hummer Leaks In the Rain (1 replies)
rear door auto lock issue (0 replies)
Can you buy Samco rear springs anymore? (1 replies)
Factory TNR-no volume (0 replies)
Rear View Mirror Comp/Temp issue (4 replies)
A/C Shraeder Valve replacement question (4 replies)
Liftgate Window Removal (SUV) (5 replies)
BRAKES!!! Stop Argh! (2 replies)
Instrument Cluster Issue. Please Help (2 replies)
Warning lights (13 replies)
Will this wheel/tire setup work on Stock setup? (3 replies)
electrical (3 replies)
Fuel pump wiring (8 replies)
How the hell do you drain the fuel tank? (4 replies)
Advice needed for removing fuel tank (12 replies)
52" LED lightbar installed (5 replies)
Broken tab fix (2 replies)
A/C --- How does yours behave? (0 replies)
Damn Cruise Control! (3 replies)
Radiator Warning!!!! (1 replies)
A/C delay turning on after starting 2 - 7 mins (1 replies)
Air below but not up top (3 replies)
Removing options via Tech 2 (3 replies)
Installing new horns (electrical question) (16 replies)
Air in the A/C line? (3 replies)
Waterless coolant (2 replies)
Replacement Factory Backup Cam (0 replies)
A/C repair questions (2 replies)
Factory air question (1 replies)
Squeal On turn (4 replies)
Intermittent surge? (5 replies)
H2 Wheel Spacers, I have some questions.... (1 replies)
2003 H2 poor acceleration when cold & warm (6 replies)
A/C Shraeder Valve replacement - Oh HumTech :-) (0 replies)
04 Stock navigation, which part number? (3 replies)
Wheel offset question for XD Rockstars (1 replies)
Problem with Rockford fosgate audio kit (6 replies)
H2 Issues and Gremlins list (8 replies)
driver window no power (9 replies)
Another AC issue (5 replies)
Fuel Mileage question (8 replies)
What is this? (1 replies)
Control arms - Ball joints (1 replies)
Rear side marker light replacement (2 replies)
Bose Stereo Replacement (2 replies)
Shrader valve assist (4 replies)
Cowl removal - assistance (4 replies)
Code P0452, Fuel Tank Drop (5 replies)
LPG Conversion - Taken the plunge (16 replies)
Recalls..... Questions (10 replies)
Air bag swap?? Help (1 replies)
gas econ and tach jump (2 replies)
Screws above Instrument cluster (7 replies)
Horrible day in my Hummer (5 replies)
Changing trans filter? (0 replies)
Overdrive? (13 replies)
Screws???? (1 replies)
Drip from front suspension? (0 replies)
ABS and TC lights (34 replies)
RPM and MPH (5 replies)
Lets Play "What is the PN" (6 replies)
UGH! What is up with this truck! (wipers) (20 replies)
How to "dye" the bumpers? (13 replies)
How to fix buttons appearance?? (2 replies)
What the hell is up with the rear bumper lights (5 replies)
Lowered H2 - Service Air Suspension Error (3 replies)
H2 Remote Start Question (9 replies)
Issues with rear wiper (4 replies)
How to remove ceiling panels (7 replies)
What is the best way to get White Drls/Headlights (15 replies)
LOTS OF SQUEAKING!!! LUBING??? (3 replies)
Diagnostic Computer for H2 (1 replies)
Gremlins Strike Again (front / rear wiper pump) (3 replies)
All The Lights (7 replies)
Weld On vs Slip On Muffler Question (8 replies)
H2 rear shock absorber socket size question (3 replies)
how to remove the rear 3rd brake light setup (10 replies)
Passlock issues (help) (6 replies)
Best place to get the dash repair with leds (1 replies)
Cheapest way to lift (0 replies)
Lights dim when electrics used. (16 replies)
Air Intake Diameter??? (3 replies)
Alignment help! (2 replies)
Stuck hood latch (Help!) (13 replies)
Loud "bang" from the back? (6 replies)
lowering front shocks? (6 replies)
got a 03 helps with some mods please (5 replies)
Broken Steering cable nut (8 replies)
AC Delco battery lasted 8+ years (1 replies)
Ye olde "key stuck in ignition" issue (7 replies)
SPEEDO AND TACH WORK BUT OTHER GAUGES DON'T ???? (3 replies)
Ok Kids, lets play "find the gas leak" (1 replies)
Scan tool for ABS, TC, and airbag issues (6 replies)
Gotta love my money pit (7 replies)
A/C No Worky (0 replies)
Some Help Please. (transmission - oil pressure) (1 replies)
Tablet Head Unit (15 replies)
For Christ's sake.... (2 replies)
6.2L & 6l80 Power Uprades (29 replies)
electrical problem transmission flaring? (14 replies)
Tow/Haul Mode Switch (8 replies)
How to fix scratched polished alloy wheels (0 replies)
Battery Dying, but okay???? (9 replies)
Need advice on G Force Chip (3 replies)
Sunvisor (3 replies)
Need the GURUs - Starting issues and gas smell (8 replies)
rotors advice.. question??? i dont know (6 replies)
Center console disassembly (3 replies)
Your idea on these problems (0 replies)
Big Block SUT (10 replies)
rear spring conversion (1 replies)
engine revving in cycles (4 replies)
trailing arms (5 replies)
windshield wiper sprayer issue (8 replies)
removing onstart installing pocket? (10 replies)
tricky no start problem.. (6 replies)
High pitch whining noise, front right area (4 replies)
Rear springs convert for lift? (0 replies)
Replacing Steel Brake lines (0 replies)
Remote control not working, please help (3 replies)
Y91 stereo question (4 replies)
Tranny Cooler 08-09 (0 replies)
2008 leather seat covers full set - $100 (0 replies)
A/C temp - what is yours? (8 replies)
changing transmission filter (6 replies)
Seat Warmers (5 replies)
Connector Help (6 replies)
ride height air sensor mod?? (2 replies)
Gauge cluster, needles all jumped..... (7 replies)
Front Passenger door electrical (6 replies)
Quick fix for drivers side A/C dual control (1 replies)
accely's tires/suspension/steering upgrades (2 replies)
Interior Door Handle trim help (11 replies)
H2 Passenger door (4 replies)
Best place to get GM parts cheap?? (2 replies)
Painted interior / interior colors - your input (10 replies)
Gas Gauge Light Out (3 replies)
Egan's Mini Lift (39 replies)
Seat rewiring or re-working (0 replies)
Project: DIY U-POL Raptor bedliner spray (18 replies)
Manifold and Exhaust (18 replies)
Broken Exhaust Bolt (3 replies)
Second air ride suspension compressor (7 replies)
60 inch L.E.D tailgate light bar problems. (4 replies)
where can I get CHROME paint? (NYC) (PICS) (4 replies)
Functional H2 Hood Vent (Question) (Rain) (18 replies)
Transfer case (2 replies)
Conversion to LPG (4 replies)
Super excited! I couldn't wait to share (13 replies)
How do you remove the Roof Crossbars? (7 replies)