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  1. Chasing P0305 Missfire cyl 5
  2. Security light question
  3. Blower Motor not working
  4. At 109k and not sure if trans fluid/filter has ever been changed. Change or leave it?
  5. rear shackle lift/leveling kit question
  6. Just wondering what this rubber part is between my oil pan and transmission
  7. How do you remove and reinstall Harmonic Balancer retaining bolt?
  8. Appears that I have a 09ish fuel pump installed
  9. Under dash photo request 09 H3 3.7
  10. One minute working, the next minute...
  11. VVT Sprocket Compatibility between 2006 3.5L and 2007 3.7L
  12. 2007 Hummer H3 remote start issue
  13. Bcm change question
  14. Front skid plate sizes
  15. No beep when locking doors
  16. Best Seat Cover Options for Cars – Need Advice
  17. Is this likely a Good buy?
  18. 2006 H3 Electrical problem.
  19. Cylinder 4 is toast
  20. p0300 and p0017 codes
  21. Headlight Wiring
  22. Steering Wheel Vibration at Idle
  23. Pics of your trailer wiring harness
  24. Tire Pressure: The Great Debate
  25. Taillight when signalling
  26. timing chain guide question
  27. Programming TPMS
  28. Steering Rack Rebuild
  29. O2 Sensor and Catalytic Converter
  30. High engine bay temperature
  31. anyone have issues with the rear chain on the 3.7?
  32. Random harness plug under drivers side dash
  33. Oil pressure problem
  34. Airbag light on
  35. Ac and coolant gauge stop working
  36. Front diff fluid color
  37. Need help with rough idle
  38. Has anyone figured out how to get rid of the TPMS warning light permanently
  39. Alignment tech says camber adjusters are upside down
  40. Is that normal?
  41. Alignment issues
  42. popping noise up front
  43. Rear End Rattling/Grinding Noise
  44. ACDelco Oil Filters are Horrible….
  45. Im at a loss
  46. Rear wheels look like they are further out
  47. Hummer H3 speedometer bouncing issue
  48. I have a strange code
  49. Engine Start (Lack Of)
  50. H3 Door hinge issues and resolve
  51. H3 hood vent
  52. questions inreguards
  53. Leaking roof
  54. Ebay roof marker lights
  55. Passlock Parts
  56. I finally engineered a permanent fix for the H3 Passlock "Security" lockout
  57. Driver door won't open inside or outside
  58. possible transfer case issue
  59. Wiring Harness Photo Advice Request/Cam position Sensor Error
  60. Warning lights TC STAB SYS
  61. Trying to diagnose a noise (video in post) Possibly driveshaft?
  62. Pinion Seal leak
  63. Need a 2nd opinion plz
  64. Transmission Question
  65. New 12v battery install
  66. Bushing question
  67. Part Identity
  68. 2007 body control module repair
  69. Hummer H3 transfer case output shaft question - wobble/play?
  70. 2008 Hummer H3 front end binding on tight turns
  71. Really dirty brake fluid reservoir
  72. Ignition coils
  73. New A/C suction line bent H3 2007 3.7L 190K
  74. Looking to upgrade headlights
  75. H3 intermittent brake fluid and traction, warning lights
  76. Enlarging Intake snorkel / port to fender plus smooth intake tube
  77. Exhaust Manifold Stud conversion-Stud Material and Legnth
  78. Front Axle Question about Bearing Races / Rebuilding the Axle
  79. Pins model ?
  80. 2006 3.5 -2007 3.7 Engine Swap -Exhaust Manifold Question
  81. Front ABS Sensors 07 H3
  82. 2008 H3 3.7 Lots of Codes
  83. Someone please help me identify what this part is called.
  84. programming an H3 speedometer reset as preliminary for BCM transplant
  85. I don’t know why I get no power!
  86. Installing aftermarket remote entry.
  87. rear tires feathering on outside
  88. No Brake Lights After BCM Swap, Advice Wanted
  89. H3 stalling upon acceleration
  90. Weird Noise coming from Transmission/Transfer Case (with video)
  91. Does anyone know where those wires go?
  92. Wire harness
  93. Cylinder 5 Misfire at idle P0305 & P0420
  94. Intake Manifold Cracked - compatible years
  95. Anti theft problem
  96. I need help deciding whether to keep my '06 H3 or not.
  97. AC is Full Hot or Full Cold - Revisited
  98. New Alternator not Charging
  99. 2006 vs. 2007 AISIN AR5 Manual Transmission Compatibility?
  100. What am I Looking At (serpentine belt off)?
  101. Head gasket
  102. Torque spec
  103. Knock sensor
  104. Roof Rack Arm Keys
  105. Basic single din radio upgrade question
  106. Coolant leak from reservoir tank hose??
  107. Using spare tire
  108. What can I use on new headlights, to prevent future fading & yellowing?
  109. Aftermarket remote unlock lock and BCM pin out
  110. Window Washer Tank leak
  111. Possible Sunroof Problems
  112. You Paint Your Rear End Yet?
  113. H3 exterior Window A pillar Clips
  114. CSF Radiator issues
  115. Foggy Headlight Syndrome
  116. EGR Block off plate
  117. 2009 H3 3.7L – Temp Gauge Works Cold But Dies Later + ABS Codes
  118. Front diff vent tube clogged
  119. Odd loss of power/gearshift issue
  120. P0354 diagnosed
  121. Brake pedal creaks when pressed. Has anyone experienced this?
  122. P0300 strikes again
  123. H3 Alpha transfer case questions
  124. bubbles in coolant reservoir???
  125. Transmission 2nd Gear Start
  126. No start code P3932
  127. H3 windows stopped working ( all 4) NEW switches installed
  128. can't open rear door
  129. Hummer H3- all keys lost.. remote start/bypass help.
  130. Battery drain
  131. P0741 Transmission Woes
  132. H3 Fog Light Bulb -Need Snowy Climate Opinions
  133. 2009 H3 3.7 three horn honks as key turns NO code
  134. PO 0017 code with a PO 0300 to boot. Runs rough...
  135. 2009 Hummer H3 – No Start, Code U0109 (Lost Communication with Fuel Pump Control Modu
  136. 2008 H3 vs 2010 Colorado trans same?
  137. What are these wires below the dash on driver side
  138. Can I install a used FPCM from same truck/engine without programming?
  139. Loud chime
  140. Drip front axel 2006 h3
  141. Transmission Cooler Hose 20788334 for 2009 H3T
  142. Help: Ignition stays on, no crank
  143. 2006 H3 auto trans shutter
  144. Airplay/Bluetooth dash head unit recommendations
  145. I replaced the passenger side mirror yesterday
  146. SAS Owners are you satisfied?
  147. Stereo randomly clipping at any volume
  148. Steering shaft not right
  149. Interior Overhead and Floor lights not working
  150. Cooling fan relay?
  151. Parasitic drain-revisited
  152. OBD2 Scanners
  153. Speed Sensor
  154. Shifter Stuck Neutral/Drive
  155. .:: The Front Diff Bushings Situation::..
  156. ..:: The High Temp situation ::..
  157. Headlight Panel Illumination
  158. Shift linkage retainer clip.
  159. Electric Locks Stopped Working
  160. Power Lumbar Fix
  161. ..:: The Broken Boot Situation ::..
  162. Electrical issues
  163. if not an H3, then what?
  164. AC randomly gets warm
  165. Front impact sensor question
  166. ..:: The knobs & buttons lighting situation ::..
  167. Flashers stuck on
  168. Auction Hummer help
  169. Transmission parts?
  170. 2007 h3 cylinder 5 misfire only after plugs changed
  171. 07 H3 at a loss money pit HELP plz
  172. 3.5 to 3.7 swap questions -emissions and oxygen sensors etc
  173. Air Inlet Grille (Upper) Needed 2006
  174. Ignition key locked
  175. how to fix transmission heat shield
  176. To Electric Fan or Not to Electric Fan
  177. Air Conditioning Noise and Performance
  178. ABS light and Traction Control lights.
  179. AC condenser busted?
  180. ..:: The front diff bushing situation ::..
  181. ..:: The plate light situation ::..
  182. H3 3.5 Cranks But Won’t Start, No Spark, No Injector Pulse, P0341
  183. Old P0303 error
  184. transmission cooler lines won't mount on new radiator
  185. change radiator hoses?
  186. ac needs help
  187. How much is too much radial play?
  188. Freaky AC issues
  189. Exterior Colors
  190. 2009 H3 water inside vehicle near emergency break
  191. Can I add an oil pressor sensor here ?
  192. ACDelco OEM BCM
  193. New tires and electric steps
  194. 2008 H3 Alpha Repeated P0449 CEL Code - Troubleshooting & Solution
  195. PLEASE Name This Part
  196. 2008 H3 Alpha overheating advice needed
  197. Emergency urgent plz help asap !!!
  198. Driver Door Window Issue: Not the usual one
  199. 2007 H3 No crank No start
  200. Strongest Hood Lift Supports
  201. Nuclear EMF effect on electronics?
  202. What is this white plastic piece-sticking out of the drivers door?
  203. sunroof question
  204. Oem wheel size
  205. Anyone have a Kent Moore J-44225 tool?
  206. Transfer Case Motor Connector retaining clip
  207. PCV puking oil/ Part numbers
  208. Steering rack bushing torque values
  209. Front brakes restoration cheap
  210. transmission slipping all of a sudden 41k Miles ????
  211. H3 2006 restoration/mod Houston, TX
  212. Front end clunk sound
  213. Headlight under water cheap replacement
  214. Wiring Q:A Want to install hd cameras under sv mirrors. How to?
  215. 2007 Hummer H3 3.7L - Low Compression - P0300 P0171 - Engine Rebuild Thread
  216. H3 chassis package type?
  217. Looking for 1 or 2 door emblems as mine were stolen last night
  218. 3.7L Flex Plate Bolts - 2007 Auto
  219. Hummer H3 heat problem
  220. Occasional Hiccuping on Start
  221. Dirty and missing oil
  222. Alternator brand new but not charging battery
  223. Pump rub for transfer case?
  224. Door switch illumination
  225. Annual oil change same quality oil at a lower price
  226. Wholesale Closeout 2008+ K&N Air Filter
  227. Got myself a NEW TOY
  228. Target Price: 2008 Alpha, 75k Miles
  229. Not starting after gasket replacment
  230. Radiator
  231. Aftermarket Headlight Help.
  232. Clicking that's felt through the floor - body bushings?
  233. H3 transmission hose keeps popping off
  234. H3 alpha front diff
  235. Looking into a 2006 H3
  236. Transfer Case Parts - chain snubber
  237. H3 20yrs
  238. Recommendation on oil and thermostats
  239. Need help please removing parking brake lever from 08 H3 w manual trans
  240. 2007 H3 with a 5 Speed Manual Transmission
  241. Slight humming around 30-40mph
  242. 2020 GMC battery fits H3
  243. TCM fail?
  244. Noticed another thread and was wondering about HummerZ special sauce for stumbling H3
  245. 2008 H3 Alpha 5.3 lower steering shaft
  246. 08 H3 has been at the garage for a month now
  247. Advice
  248. Crank no start after failed crankshalf relearn.
  249. Weird sound not sure if that’s the steering wheel bump?
  250. Production Numbers