International Forum

Ownership, maintenance and mechanical issues forum for all Navistar International trucks, including Lonestar, Prostar, Transtar and 9000.

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  1. Tom Hayes

    63 C1300 Steering parts

    Tom Hayes, Apr 25, 2026 at 11:49 AM
    Replies:
    2
    Views:
    167
    OLDSKOOLERnWV
    Apr 25, 2026 at 4:19 PM
  2. SupraJon

    2018 Intl LT no sleeper air flow

    SupraJon, May 25, 2020
    Replies:
    7
    Views:
    3,048
    Tb0n3
    Apr 17, 2026
  3. ChadFelix

    Lonestar hood on Prostar?? Is it possible?

    ChadFelix, May 8, 2017
    Replies:
    9
    Views:
    5,954
    Roy Ande
    Apr 17, 2026
  4. me myself and I

    LT headlights

    me myself and I, Apr 9, 2026
    Replies:
    0
    Views:
    251
    me myself and I
    Apr 9, 2026
  5. Jonny Masters

    DT466E Rebuilt. Ran, then no start.

    Jonny Masters, Jan 6, 2026 ... 5 6 7
    Replies:
    61
    Views:
    4,134
    Jonny Masters
    Mar 30, 2026
  6. SrFarm

    4300 suspension height rear leaf springs???

    SrFarm, Jan 4, 2026
    Replies:
    1
    Views:
    500
    SrFarm
    Mar 28, 2026
  7. saltysgarage

    2001 international 9200i rear engine mount

    saltysgarage, Feb 25, 2026
    Replies:
    2
    Views:
    479
    saltysgarage
    Mar 2, 2026
  8. wlhequipment

    How come nobody is rebuilding 466e / 530e injectors anymore?

    wlhequipment, Feb 25, 2026
    Replies:
    2
    Views:
    395
    wlhequipment
    Feb 25, 2026
  9. Old&Slow

    1999 9300 Eagle - wiring for the air conditioning

    Old&Slow, Feb 19, 2026
    Replies:
    3
    Views:
    440
    Old&Slow
    Feb 21, 2026
  10. shuiyuan

    2007 International 4300 Pid171 FMI3 Ambient Air Sensor code

    shuiyuan, Oct 5, 2025 ... 2
    Replies:
    16
    Views:
    1,992
    Inderjit
    Feb 4, 2026
  11. drybread

    '07 7400 loosing left side of gauges

    drybread, Apr 24, 2014
    Replies:
    5
    Views:
    7,693
    pablo2013
    Feb 2, 2026
  12. CraigInReston

    Fault code: MID 128:04, PID 131A

    CraigInReston, Jan 22, 2026
    Replies:
    1
    Views:
    419
    Heavyd
    Jan 24, 2026
  13. ambushiz

    A26 International 700k miles white/blueish smoke from exhaust

    ambushiz, Jan 23, 2026
    Replies:
    1
    Views:
    454
    Heavyd
    Jan 24, 2026
  14. Sly24

    Best Diagnostic Setup for LT625 Fleet — Laptop Software vs OBD Tools?

    Sly24, Jan 14, 2026
    Replies:
    3
    Views:
    680
    Heavyd
    Jan 17, 2026
  15. Ed's Bus Shop

    many def and dpf codes

    Ed's Bus Shop, Dec 30, 2025
    Replies:
    3
    Views:
    951
    Heavyd
    Jan 10, 2026
  16. lciambotti

    1999 9200 Air Conditioning has me stumped

    lciambotti, Nov 30, 2025 ... 2
    Replies:
    17
    Views:
    2,132
    lciambotti
    Dec 2, 2025
  17. wrenchandrepeat

    2021 HV Ringing/Beeping Over 15 MPH

    wrenchandrepeat, Nov 18, 2025
    Replies:
    1
    Views:
    714
    wrenchandrepeat
    Nov 19, 2025
  18. SrFarm

    Meritor Mx-14-120 front axle gearing swap?

    SrFarm, Nov 16, 2025
    Replies:
    0
    Views:
    534
    SrFarm
    Nov 16, 2025
  19. noahesmann

    2000 DT466e Code 626

    noahesmann, Jun 16, 2020
    Replies:
    2
    Views:
    6,283
    kmccumber
    Oct 28, 2025
  20. Tom Hayes

    1974 International 500 is it worth saving

    Tom Hayes, Oct 21, 2025
    Replies:
    6
    Views:
    1,096
    '88K100
    Oct 26, 2025
Showing threads 1 to 20 of 2,021

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