View Full Version : Hummer H3
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- Chasing P0305 Missfire cyl 5
- Security light question
- Blower Motor not working
- At 109k and not sure if trans fluid/filter has ever been changed. Change or leave it?
- rear shackle lift/leveling kit question
- Just wondering what this rubber part is between my oil pan and transmission
- How do you remove and reinstall Harmonic Balancer retaining bolt?
- Appears that I have a 09ish fuel pump installed
- Under dash photo request 09 H3 3.7
- One minute working, the next minute...
- VVT Sprocket Compatibility between 2006 3.5L and 2007 3.7L
- 2007 Hummer H3 remote start issue
- Bcm change question
- Front skid plate sizes
- No beep when locking doors
- Best Seat Cover Options for Cars – Need Advice
- Is this likely a Good buy?
- 2006 H3 Electrical problem.
- Cylinder 4 is toast
- p0300 and p0017 codes
- Headlight Wiring
- Steering Wheel Vibration at Idle
- Pics of your trailer wiring harness
- Tire Pressure: The Great Debate
- Taillight when signalling
- timing chain guide question
- Programming TPMS
- Steering Rack Rebuild
- O2 Sensor and Catalytic Converter
- High engine bay temperature
- anyone have issues with the rear chain on the 3.7?
- Random harness plug under drivers side dash
- Oil pressure problem
- Airbag light on
- Ac and coolant gauge stop working
- Front diff fluid color
- Need help with rough idle
- Has anyone figured out how to get rid of the TPMS warning light permanently
- Alignment tech says camber adjusters are upside down
- Is that normal?
- Alignment issues
- popping noise up front
- Rear End Rattling/Grinding Noise
- ACDelco Oil Filters are Horrible….
- Im at a loss
- Rear wheels look like they are further out
- Hummer H3 speedometer bouncing issue
- I have a strange code
- Engine Start (Lack Of)
- H3 Door hinge issues and resolve
- H3 hood vent
- questions inreguards
- Leaking roof
- Ebay roof marker lights
- Passlock Parts
- I finally engineered a permanent fix for the H3 Passlock "Security" lockout
- Driver door won't open inside or outside
- possible transfer case issue
- Wiring Harness Photo Advice Request/Cam position Sensor Error
- Warning lights TC STAB SYS
- Trying to diagnose a noise (video in post) Possibly driveshaft?
- Pinion Seal leak
- Need a 2nd opinion plz
- Transmission Question
- New 12v battery install
- Bushing question
- Part Identity
- 2007 body control module repair
- Hummer H3 transfer case output shaft question - wobble/play?
- 2008 Hummer H3 front end binding on tight turns
- Really dirty brake fluid reservoir
- Ignition coils
- New A/C suction line bent H3 2007 3.7L 190K
- Looking to upgrade headlights
- H3 intermittent brake fluid and traction, warning lights
- Enlarging Intake snorkel / port to fender plus smooth intake tube
- Exhaust Manifold Stud conversion-Stud Material and Legnth
- Front Axle Question about Bearing Races / Rebuilding the Axle
- Pins model ?
- 2006 3.5 -2007 3.7 Engine Swap -Exhaust Manifold Question
- Front ABS Sensors 07 H3
- 2008 H3 3.7 Lots of Codes
- Someone please help me identify what this part is called.
- programming an H3 speedometer reset as preliminary for BCM transplant
- I don’t know why I get no power!
- Installing aftermarket remote entry.
- rear tires feathering on outside
- No Brake Lights After BCM Swap, Advice Wanted
- H3 stalling upon acceleration
- Weird Noise coming from Transmission/Transfer Case (with video)
- Does anyone know where those wires go?
- Wire harness
- Cylinder 5 Misfire at idle P0305 & P0420
- Intake Manifold Cracked - compatible years
- Anti theft problem
- I need help deciding whether to keep my '06 H3 or not.
- AC is Full Hot or Full Cold - Revisited
- New Alternator not Charging
- 2006 vs. 2007 AISIN AR5 Manual Transmission Compatibility?
- What am I Looking At (serpentine belt off)?
- Head gasket
- Torque spec
- Knock sensor
- Roof Rack Arm Keys
- Basic single din radio upgrade question
- Coolant leak from reservoir tank hose??
- Using spare tire
- What can I use on new headlights, to prevent future fading & yellowing?
- Aftermarket remote unlock lock and BCM pin out
- Window Washer Tank leak
- Possible Sunroof Problems
- You Paint Your Rear End Yet?
- H3 exterior Window A pillar Clips
- CSF Radiator issues
- Foggy Headlight Syndrome
- EGR Block off plate
- 2009 H3 3.7L – Temp Gauge Works Cold But Dies Later + ABS Codes
- Front diff vent tube clogged
- Odd loss of power/gearshift issue
- P0354 diagnosed
- Brake pedal creaks when pressed. Has anyone experienced this?
- P0300 strikes again
- H3 Alpha transfer case questions
- bubbles in coolant reservoir???
- Transmission 2nd Gear Start
- No start code P3932
- H3 windows stopped working ( all 4) NEW switches installed
- can't open rear door
- Hummer H3- all keys lost.. remote start/bypass help.
- Battery drain
- P0741 Transmission Woes
- H3 Fog Light Bulb -Need Snowy Climate Opinions
- 2009 H3 3.7 three horn honks as key turns NO code
- PO 0017 code with a PO 0300 to boot. Runs rough...
- 2009 Hummer H3 – No Start, Code U0109 (Lost Communication with Fuel Pump Control Modu
- 2008 H3 vs 2010 Colorado trans same?
- What are these wires below the dash on driver side
- Can I install a used FPCM from same truck/engine without programming?
- Loud chime
- Drip front axel 2006 h3
- Transmission Cooler Hose 20788334 for 2009 H3T
- Help: Ignition stays on, no crank
- 2006 H3 auto trans shutter
- Airplay/Bluetooth dash head unit recommendations
- I replaced the passenger side mirror yesterday
- SAS Owners are you satisfied?
- Stereo randomly clipping at any volume
- Steering shaft not right
- Interior Overhead and Floor lights not working
- Cooling fan relay?
- Parasitic drain-revisited
- OBD2 Scanners
- Speed Sensor
- Shifter Stuck Neutral/Drive
- .:: The Front Diff Bushings Situation::..
- ..:: The High Temp situation ::..
- Headlight Panel Illumination
- Shift linkage retainer clip.
- Electric Locks Stopped Working
- Power Lumbar Fix
- ..:: The Broken Boot Situation ::..
- Electrical issues
- if not an H3, then what?
- AC randomly gets warm
- Front impact sensor question
- ..:: The knobs & buttons lighting situation ::..
- Flashers stuck on
- Auction Hummer help
- Transmission parts?
- 2007 h3 cylinder 5 misfire only after plugs changed
- 07 H3 at a loss money pit HELP plz
- 3.5 to 3.7 swap questions -emissions and oxygen sensors etc
- Air Inlet Grille (Upper) Needed 2006
- Ignition key locked
- how to fix transmission heat shield
- To Electric Fan or Not to Electric Fan
- Air Conditioning Noise and Performance
- ABS light and Traction Control lights.
- AC condenser busted?
- ..:: The front diff bushing situation ::..
- ..:: The plate light situation ::..
- H3 3.5 Cranks But Won’t Start, No Spark, No Injector Pulse, P0341
- Old P0303 error
- transmission cooler lines won't mount on new radiator
- change radiator hoses?
- ac needs help
- How much is too much radial play?
- Freaky AC issues
- Exterior Colors
- 2009 H3 water inside vehicle near emergency break
- Can I add an oil pressor sensor here ?
- ACDelco OEM BCM
- New tires and electric steps
- 2008 H3 Alpha Repeated P0449 CEL Code - Troubleshooting & Solution
- PLEASE Name This Part
- 2008 H3 Alpha overheating advice needed
- Emergency urgent plz help asap !!!
- Driver Door Window Issue: Not the usual one
- 2007 H3 No crank No start
- Strongest Hood Lift Supports
- Nuclear EMF effect on electronics?
- What is this white plastic piece-sticking out of the drivers door?
- sunroof question
- Oem wheel size
- Anyone have a Kent Moore J-44225 tool?
- Transfer Case Motor Connector retaining clip
- PCV puking oil/ Part numbers
- Steering rack bushing torque values
- Front brakes restoration cheap
- transmission slipping all of a sudden 41k Miles ????
- H3 2006 restoration/mod Houston, TX
- Front end clunk sound
- Headlight under water cheap replacement
- Wiring Q:A Want to install hd cameras under sv mirrors. How to?
- 2007 Hummer H3 3.7L - Low Compression - P0300 P0171 - Engine Rebuild Thread
- H3 chassis package type?
- Looking for 1 or 2 door emblems as mine were stolen last night
- 3.7L Flex Plate Bolts - 2007 Auto
- Hummer H3 heat problem
- Occasional Hiccuping on Start
- Dirty and missing oil
- Alternator brand new but not charging battery
- Pump rub for transfer case?
- Door switch illumination
- Annual oil change same quality oil at a lower price
- Wholesale Closeout 2008+ K&N Air Filter
- Got myself a NEW TOY
- Target Price: 2008 Alpha, 75k Miles
- Not starting after gasket replacment
- Radiator
- Aftermarket Headlight Help.
- Clicking that's felt through the floor - body bushings?
- H3 transmission hose keeps popping off
- H3 alpha front diff
- Looking into a 2006 H3
- Transfer Case Parts - chain snubber
- H3 20yrs
- Recommendation on oil and thermostats
- Need help please removing parking brake lever from 08 H3 w manual trans
- 2007 H3 with a 5 Speed Manual Transmission
- Slight humming around 30-40mph
- 2020 GMC battery fits H3
- TCM fail?
- Noticed another thread and was wondering about HummerZ special sauce for stumbling H3
- 2008 H3 Alpha 5.3 lower steering shaft
- 08 H3 has been at the garage for a month now
- Advice
- Crank no start after failed crankshalf relearn.
- Weird sound not sure if that’s the steering wheel bump?
- Production Numbers