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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.

32556 topics in this forum

  1. Rookie Water Pump Replacement 1 2 3

    By AnotherOldJeepGuy,
    • 53 replies
    • 1.2k views

  2. 3inch lift 1 2

    By MattK,
    • 31 replies
    • 2.1k views

  3. Coolant hose question

    By Sp88mj,
    • 12 replies
    • 254 views

  4. Fuel Pump Ballast Resistor

    By Keyav8r,
    • 10 replies
    • 2.2k views

  5. Renix Engine and fuel control

    By NorJeep,
    • 24 replies
    • 992 views

  6. Sway Bars - Front and Rear

    By 89 MJ,
    • 8 replies
    • 346 views

  7. Shift Boot. 1 2

    By hitman72,
    • 32 replies
    • 6k views

  8. Header experience

    By tarmac2dirt,
    • 0 replies
    • 138 views

  9. Clicking sound when turning

    By hgeranium,
    • 6 replies
    • 226 views

  10. Clunking noise in rear right side

    By golddigger,   
    • 15 replies
    • 376 views

  11. Unknown Plug

    By JimiGibbs,
    • 3 replies
    • 200 views

  12. Testing Renix Coolant Pressure Bottle, Adapter?

    By knever3,
    • 3 replies
    • 265 views

  13. Weak Brakes - Need Help Diagnosing 1 2

    By dotnetrob,
    • 43 replies
    • 2.6k views

  14. 1990 Jeep mj column shift 2wd to 4wd swap

    By MattK,
    • 3 replies
    • 212 views

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

    By Salvagedcircuit,
    • 4 replies
    • 302 views

  16. Renix blow-by

    By hgeranium,
    • 24 replies
    • 677 views

  17. K Suspension 4 hole injectors, new Chinese?

    By Htchevyii,
    • 11 replies
    • 581 views

  18. Using ON for ACC OK?

    By AnotherOldJeepGuy,
    • 5 replies
    • 223 views

  19. 4.10 TJ Rubicon gearing in 3.07 MJ Dana 44

    By thousender,
    • 14 replies
    • 479 views

  20. No start

    By woodard78,
    • 11 replies
    • 460 views

  21. Getting high beams to work again

    By hgeranium,
    • 5 replies
    • 354 views

  22. Heater Core Recommendations

    By Blaine.D,
    • 21 replies
    • 3.2k views

  23. Thermostat opening temp opinions

    By hgeranium,
    • 6 replies
    • 359 views

  24. What’s this on my oil dipstick?

    By hgeranium,
    • 4 replies
    • 318 views

  25. Manifold install 1 2

    By eaglescout526,
    • 29 replies
    • 1.1k views
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