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  1. Doc Olds

    I was looking for an H3 to take the dogs out with -

    Factory Lockers can only be used with T Case in Lo Lock and under 40MPH. Take a READ through the Owner's Manual for the particulars. If you do not have the Manual in the truck, they are all on line free. Enjoy!
  2. Doc Olds

    I was looking for an H3 to take the dogs out with -

    Nice truck. Enjoy. There are performance mods to improve throttle response. About the playing music from your phone to the Stock Radio. You bought a near 14 year old truck. ;)
  3. Doc Olds

    H3 Transmission dead?

    Find a reputable Trans Shop that really knows how to do rebuilds. Get it rebuilt. Many provide a warranty on parts and labor. If you have to get it back on the road ASAP, then use Car-Part.com to track one down for an H3 and either exchange your old one, or get that rebuilt and swap it back...
  4. Doc Olds

    H3 Transmission dead?

    I always look at a rebuild as an opportunity to do it up right.... build it back better. Yes, you can just get it rebuilt. I would go full on performance to handle it all, like your 35s, towing, wheeling etc... Sonnax smart tech input housing and Borg Warner 29 element dual cage sprag...
  5. Doc Olds

    Finally purchased a real 4x4 (H3)

    Welcome. Tip: If your H3 still has the Crappy Azzed OEM Battery Terminals, hack them off and replace with a quality aftermarket set like Stingers or your favorite brand. The "FIRST" Mod to be done to every H3/H3T. ;)
  6. Doc Olds

    H3 I CANNOT Tow apparently

    Oh boy, picture of towing time. I would have never tried this with 35s!
  7. Doc Olds

    H3 I CANNOT Tow apparently

    I towed a 23 foot Big Block Chaparral Bow Rider with dual axle trailer back to NE Detroit from just S or Milwaukee with my 2007 H3 Adventure. Over the weight capacity without a doubt. That's an I5 with all the performance mods (Air Doc Intake, MagnaFlow Cat Back, Efan, PCM Tune, PP TB) and...
  8. Doc Olds

    H3 I CANNOT Tow apparently

    Remind us, what size tires do you have? Did you also pack full the truck with gear? IMHO H3s are not a choice vehicle for towing as the wheel base is too short. H3Ts would be better, but not optimal.
  9. Doc Olds

    H3 Alpha trans temp

    When was the last time you changed the Trans Fluid and Filter? I would call 204F all of 4F over normal and maybe 14F over preferred, so no need to freak out.
  10. Doc Olds

    New to me…2006 Hummer H3

    Welcome to H4O. Post up more details for your tech question in the H3/T section and specify Miles and Manual vs Auto Trans.
  11. Doc Olds

    Atlas 3.7 I5 teardown - I Do Cars

    A V8 swap into an originally I5 H3/H3T/Colly/Canyon is more of a can of worms than most realize or are prepared for. Over time there will be more of those V8 swaps. If I still had an I5 that died I would swap in a low mile used replacement, sell that and buy an Alpha. I know of an 2006 H3...
  12. Doc Olds

    H3 H3 Alpha vs H3 I5........having had both.......hmm

    I agree with those observations, with a twist. My 07 had all the performance mods and Off Road goodies on 33 MTZs. It could hang with most any FS stock pick ups & SUVs, and out wheel most of those. Air Doc Intake, AFE Pro Dry-S Filter, PCMofNC Tune and Efan conversion, SuperModulation PP TB...
  13. Doc Olds

    For those looking for the H3 conversion thread . . .

    I missed it............ as usual.
  14. Doc Olds

    Single click won’t start

    Here comes the broken record (for you old folks like me) or perhaps, looping MP3 for youngsters. Still trying to use the crappy azzed OEM Battery Terminal Connectors? If so, hack them off immediately, replace with a quality aftermarket set like Stingers or your favorite brand. First mod to...
  15. Doc Olds

    Remote starter install hummer H3 2006

    You posted this in absolutely the wrong section. Are you a sponsor of the H4O Forums? Not. H3 questions all go in the H3 section.
  16. Doc Olds

    Shocks

    Welcome 2" shackles would at the most create a additional 1" of movement or resting position since the shackles are only at one end of the leaf, and I believe it would be less than that (maybe 3/4-7/8"). I absolutely love my Old Man Emu Nitrocharger shocks. Direct replacement lengths, which...
  17. Doc Olds

    AC OFF without ENG HOT

    The H3 has three levels of overheat protection. The H3 will first shut off the A/C if it was on and display "AC OFF" in the DIC; then if temp still rises and/or continues, display "ENG HOT" in the DIC and chime (ding, ding, ding); then if temp does not fall, go into Reduced Power, all before...
  18. Doc Olds

    Remote Start YES or NO

    The prior owner of my 09 Alpha Off Road had a Code Alarm remote start installed. Have no idea when or by who (in AR where they lived), but it is a single wire trigger that works perfect all the time..... well all the time when I test it since I hardly ever use it. Best thing is it will...
  19. Doc Olds

    H3T Alpha exhaust advice

    Only the front Pup Cats are monitored. What you do behind that doesn't matter. If you mess the the front set, you will have CEL issues and need to find somebody that can tune around the situation with HP Tuners, etc... Keep in mind, any licensed repair facility caught removing or deleting...
  20. Doc Olds

    H3T Alpha exhaust advice

    Alphas have 4 cats. One Pup Cat on each side just after the exhaust manifold flange, and a second small Cat just before the Exhaust Y Pipe connections on each side. Only the Pup Cats in front are monitored by O2 Sensors. The price reflects that the H3T exhaust is discontinued and whatever...
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