Welcome to the H4O - HUMMER 4x4 Off Road.
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Forum: Tech Library

Please post only the "How-to" and "Install" type threads, not for general questions

  1. Air bag rear suspension support

    Started by Hunner, 11-14-2014 01:24 PM
    • Replies: 9
    • Views: 3,122
    04-01-2018, 10:16 PM Go to last post
  2. H3 ignition switch troubleshooting

    Started by JPaul, 01-20-2018 03:03 AM
    • Replies: 3
    • Views: 516
    01-25-2018, 06:15 PM Go to last post
  3. H3 Transmission Cooler Thread Number 3 - install with pictures

    Started by alrock, 01-18-2014 09:35 PM
    3 Pages
    1 2 3
    radiator, transmission, transmission cooler
    • Replies: 30
    • Views: 14,567
    12-30-2017, 12:43 PM Go to last post
    • Replies: 12
    • Views: 8,871
    12-29-2017, 03:50 PM Go to last post
  4. How to install remote start - Hummer H3

    Started by Humvdood, 11-10-2014 02:59 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 9,852
    11-07-2017, 05:30 PM Go to last post
  5. Climate Control fix

    Started by Hunner, 10-23-2012 01:56 PM
    3 Pages
    1 2 3
    • Replies: 30
    • Views: 23,822
    10-15-2017, 09:32 AM Go to last post
  6. Post H3 Throttle body and MAF sensor cleaning

    Started by Boerwarrior, 02-23-2012 02:30 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 63
    • Views: 64,073
    08-04-2017, 12:12 PM Go to last post
  7. How to disconnect Onstar in the H3

    Started by deserth3, 06-11-2017 04:29 PM
    • Replies: 9
    • Views: 1,134
    06-15-2017, 02:29 PM Go to last post
    • Replies: 14
    • Views: 2,270
    06-09-2017, 12:24 AM Go to last post
  8. Old school sticker trick

    Started by 58Bisc, 09-13-2012 11:43 PM
    • Replies: 12
    • Views: 4,026
    05-26-2017, 09:02 AM Go to last post
  9. Engel MR040 Un-boxing

    Started by RamRod, 05-11-2017 11:49 PM
    • Replies: 6
    • Views: 851
    05-15-2017, 11:40 PM Go to last post
  10. Adding lighting to H3 rear window switches

    Started by JPaul, 05-13-2017 12:20 PM
    • Replies: 8
    • Views: 817
    05-14-2017, 11:58 AM Go to last post
    • Replies: 5
    • Views: 7,584
    04-17-2017, 08:53 PM Go to last post
  11. Hunner headlight switch mod

    Started by Hunner, 12-08-2012 04:13 PM
    2 Pages
    1 2
    • Replies: 19
    • Views: 13,100
    03-30-2017, 05:24 PM Go to last post
  12. H3 Camshaft position sensors replacement

    Started by alrock, 08-07-2012 11:08 PM
    camshaft, p0014, p0340, sensor
    • Replies: 9
    • Views: 20,335
    03-12-2017, 01:38 PM Go to last post
  13. Switch cluster for 4wd

    Started by Hunner, 12-23-2011 11:14 PM
    • Replies: 13
    • Views: 4,881
    01-27-2017, 01:57 PM Go to last post
    • Replies: 13
    • Views: 4,334
    12-23-2016, 02:08 AM Go to last post
  14. H3 Zerk fittings for upper control arm ball joints

    Started by alrock, 09-29-2013 07:56 PM
    • Replies: 10
    • Views: 5,784
    06-05-2016, 02:29 PM Go to last post
    • Replies: 9
    • Views: 4,677
    06-01-2016, 02:44 PM Go to last post
  15. H3 dual battery install

    Started by 58Bisc, 07-20-2012 02:54 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 13,164
    04-21-2016, 03:49 PM Go to last post

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