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MJ Tech: Modification and Repairs

For all your Comanche (MJ) needs.  An excellent place to ask questions, and to discuss modifications and issues.

32600 topics in this forum

  1. Coolant hose question

    By Sp88mj,
    • 12 replies
    • 359 views

  2. Fuel Pump Ballast Resistor

    By Keyav8r,
    • 10 replies
    • 2.2k views

  3. Renix Engine and fuel control

    By NorJeep,
    • 24 replies
    • 1.1k views

  4. Sway Bars - Front and Rear

    By 89 MJ,
    • 8 replies
    • 427 views

  5. Shift Boot. 1 2

    By hitman72,
    • 32 replies
    • 6.3k views

  6. Header experience

    By tarmac2dirt,
    • 0 replies
    • 178 views

  7. Clicking sound when turning

    By hgeranium,
    • 6 replies
    • 291 views

  8. Clunking noise in rear right side

    By golddigger,   
    • 15 replies
    • 489 views

  9. Unknown Plug

    By JimiGibbs,
    • 3 replies
    • 254 views

  10. Testing Renix Coolant Pressure Bottle, Adapter?

    By knever3,
    • 3 replies
    • 285 views

  11. Weak Brakes - Need Help Diagnosing 1 2

    By dotnetrob,
    • 43 replies
    • 2.8k views

  12. 1990 Jeep mj column shift 2wd to 4wd swap

    By MattK,
    • 3 replies
    • 264 views

  13. Old Navy Is Preaching the Comanche Gospel! $6 MJ Toddler Shirt

    By Salvagedcircuit,
    • 4 replies
    • 362 views

  14. Renix blow-by

    By hgeranium,
    • 24 replies
    • 811 views

  15. K Suspension 4 hole injectors, new Chinese?

    By Htchevyii,
    • 11 replies
    • 656 views

  16. Using ON for ACC OK?

    By AnotherOldJeepGuy,
    • 5 replies
    • 263 views

  17. 4.10 TJ Rubicon gearing in 3.07 MJ Dana 44

    By thousender,
    • 14 replies
    • 567 views

  18. No start

    By woodard78,
    • 11 replies
    • 530 views

  19. Getting high beams to work again

    By hgeranium,
    • 5 replies
    • 425 views

  20. Heater Core Recommendations

    By Blaine.D,
    • 21 replies
    • 3.4k views

  21. Thermostat opening temp opinions

    By hgeranium,
    • 6 replies
    • 405 views

  22. What’s this on my oil dipstick?

    By hgeranium,
    • 4 replies
    • 394 views

  23. Manifold install 1 2

    By eaglescout526,
    • 29 replies
    • 1.2k views

  24. Vinyl/rubber flooring

    By derf,
    • 4 replies
    • 381 views

  25. upper control arm help

    By vhfr1289,
    • 6 replies
    • 439 views
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