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  1. #1
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    5spd H3 Question

    Evening, all.

    I am going to look at a 5spd H3 in the near future. Are there any problems specific to the manual trans I should watch out for (other than regular manual trans stuff)?

    TIA.

  2. #2
    El Diablo
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    I don't recall hearing any specific issues.

  3. The Following User Says Thank You to alrock For This Useful Post:

    B-HMMWV (09-05-2021)

  4. #3
    Baja
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    I've had no issues. Personally I think it really adds to the driving experience in any vehicle. If you plan on taking it off road, you will hear some people say it's going to be harder to drive. Ignore them. The H3 is geared so low it's a non issue, at least with the 4494 TC.

  5. The Following User Says Thank You to 08H3 For This Useful Post:

    B-HMMWV (09-05-2021)

  6. #4
    Bald Tire
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    Mine is a 5 speed ,when i bought mine there was a bad gear inside the gear box,but i think who ever had it before me rode it rather hard ??

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    B-HMMWV (09-05-2021)

  8. #5
    All Terrain
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    I think the 5M enables you to get the most out of the I5. I enjoyed the 5M in my 3T and I still wish I had it. I put 120K on that truck and I think the only issue is having the right gear oil in the trans to preserve the synchros.
    1989 Chev K1500 EC 5.7L
    1997 Chev K2500 EC 7.4L
    2009 Hummer H3T 3.7L M5 (sold 3-6-2020)
    2018 Dodge Ram HD2500 6.4L RC

  9. The Following User Says Thank You to Mr_Rich For This Useful Post:

    B-HMMWV (09-05-2021)

  10. #6
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    Thanks for the feedback guys! I found a 5 speed H3 with a locker that isn't black/silver/white or super rusty. Going to call on it this week and play "let's make a deal".

  11. #7
    Super Swamper
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    What year? An 09 adventure pkg would have a front locker and a cast iron diff and 4:1 tcase which is a plus if you wheel.

    Sent from my SM-G960F using Tapatalk
    06 H3, Birch White, Lux , Cooper AT3 35s, Borla Performance Cat-back, Bilsteins front w/ 1/2" extended stops, Hunner sleeve, Air Doc w/ K&N filter, Oem Roof lights, 55W HID Headlights and 35W Fog lights.

    09 H3 V8, Arctic Silver, LS376/480 Conversion, 3000 stall, Custom E-fans, 37" KM3 tires, XD Rockstar Wheels 17x9, OEM Sliders, 40K External Trans Cooler, Bilstein 5160s front 5100 rear, O.D. Steering Bracket, 2" Body Lift, Custom Exhaust, Custom intake pipe & K&N filter, Custom PCM tune, Pioneer DVD unit, Aurora 40" LED Light Bar, 50 W HID Headlights

  12. #8
    Baja
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    2008+ 5 speed are the "stronger" ones to look at and I believe slightly larger clutch. syncros were improved and I think shot peened 1st gear
    Current:

    2006 Red H3 Adventure/ luxury- 37" iroks, HD tierods, steering rack kit, custom front IFS HP Dana 44 diff with Yukon zip locker, Np241 manual T-case, 6.0L VVT/ 6L90 swap

    2008 Black H3 Alpha- HD tierods, steering rack kit, Custom HD lower control arm bushing kit

    2007 Black H3 Luxury- 1.25" bodylift, elocker, 4:1 t-case, steering rack kit, custom front IFS HP Dana 50 diff with truetrac, 37" bfg km2, H3x 18" wheels

    2009 Black H3T base- custom front IFS HP Dana 44 diff with truetrac, 37" centennial trail hogs, H3x 18" wheels

    2008 White H3 Adventure

    2009 White H3 Alpha Cammed 6.0L and 35s

    I think we might have too many of these things now...

  13. #9
    All Terrain
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    Quote Originally Posted by atvspeed4 View Post
    2008+ 5 speed are the "stronger" ones to look at and I believe slightly larger clutch. syncros were improved and I think shot peened 1st gear
    Nice little fact I found in my research is the pilot bearing is a sealed bearing; similar to the sealed bearing in the Cadillac CTS/V. The non-sealed pilot roller bearing in my '98 Firebird Formula destructed into "rust dust" which I thought were T56 trans problems and that wasn't it at all. Details like the sealed bearing are important for high mileage life in vehicles you like to drive and own for a long time.
    1989 Chev K1500 EC 5.7L
    1997 Chev K2500 EC 7.4L
    2009 Hummer H3T 3.7L M5 (sold 3-6-2020)
    2018 Dodge Ram HD2500 6.4L RC

  14. #10
    Bald Tire
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    Mine is a 2008 M5 I bought brand new in 2009. I have put about 125,000KM on it so far and the transmission still runs very well.

  15. #11
    Baja
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    Did you end up getting it?

  16. #12
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    I was looking at a 2007 5 speed adventure but I dug into the unit's history and found it has had multiple titles issued in the last three years and a couple open liens against the VIN. Truck is clean, but the paperwork is pretty sus. I'm going to pass on that one for now and keep looking.

  17. #13
    Bald Tire
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    i bought my 2006, adventure pkg,5sp man, new, have about 120,000 miles on it now....original clutch still in, original everything still in...lol...no issues at all...it's been great...i just bought a new 2019 rubicon, 6sp manual...no comparison, the hummer's clutch, and entire system , is so much better.....

  18. #14
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    Good to know! I would like to replace my Silverado with a manual H3 as a daily driver. I don't drive my H3T much due to cosmetic parts becoming hard to find. Silverado needs to be retired, and the H2 is too big for me to daily lol.


 

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