Volvo Forum

Ownership, maintenance and mechanical issues forum for all Volvo semi trucks, including VNL 300, VNL430, VNL630, VNL670, VNL730, VNL 780, VHD/VHD430, VNM200, VT880/830, VNL610/660, VNL770, VNL420/300, VNM series

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  1. aron12

    1996 Volvo D12 wia

    aron12, Apr 2, 2015 ... 31 32 33
    Replies:
    322
    Views:
    52,719
    nasriza
    Nov 13, 2015
  2. mrktwiz

    Where do I get a HID conversion kit for a 2007 Volvo VN780

    mrktwiz, Apr 23, 2011 ... 13 14 15
    Replies:
    149
    Views:
    58,815
    dustinbrock
    Jan 8, 2017
  3. rhitrucking

    PLEASE HELP!

    rhitrucking, Mar 28, 2019 ... 12 13 14
    Replies:
    139
    Views:
    24,002
    nasriza
    Dec 6, 2019
  4. Amram

    No power. Poor fuel economy.

    Amram, Aug 27, 2018 ... 12 13 14
    Replies:
    133
    Views:
    18,985
    miszel
    Dec 22, 2018
  5. newdriver2

    Drive axel touches frame? Help!!

    newdriver2, Apr 17, 2019 ... 12 13 14
    Replies:
    131
    Views:
    18,022
    spyder7723
    May 11, 2019
  6. charlie747

    i-shift problem ,help please

    charlie747, May 24, 2015 ... 11 12 13
    Replies:
    128
    Views:
    128,344
    Honey Expresso
    Dec 18, 2022
  7. bravoo67

    05 VOLVO truck VED D12 engine lacks power and makes 4mpg.. what is wrong?

    bravoo67, Mar 15, 2012 ... 10 11 12
    Replies:
    110
    Views:
    150,883
    QUALITYTRUCK
    Jun 29, 2022
  8. neverhome79

    09 D13 loses power pulling, no codes

    neverhome79, Jan 18, 2014 ... 9 10 11
    Replies:
    105
    Views:
    97,700
    PkingTrucking
    Jul 28, 2025
  9. Johny41

    Volvo D13 injector cups fail again !

    Johny41, Jul 12, 2014 ... 9 10 11
    Replies:
    102
    Views:
    89,516
    JF_SC_Truck
    Dec 15, 2024
  10. Val77

    Volvo DPF / SCR problems

    Val77, Feb 4, 2018 ... 9 10 11
    Replies:
    102
    Views:
    49,082
    Mr Bob
    Jul 12, 2021
  11. Amram

    No power. At a loss here. Losing hair.

    Amram, Mar 15, 2018 ... 9 10 11
    Replies:
    100
    Views:
    17,836
    QUALITYTRUCK
    Mar 31, 2018
  12. STexan

    Any Volvo O-O's (780 class) running an I-Shift?

    STexan, Mar 24, 2014 ... 8 9 10
    Replies:
    95
    Views:
    30,513
    pete2951
    Aug 26, 2016
  13. JerryD13

    VOLVO D13 - I-shift transmission air leak

    JerryD13, Oct 3, 2018 ... 8 9 10
    Replies:
    94
    Views:
    87,262
    v6killer
    Jul 15, 2025
  14. calvint88

    volvo D13 oil separator has oil coming out from pipe

    calvint88, Feb 21, 2016 ... 7 8 9
    Replies:
    89
    Views:
    57,723
    BENJI999
    Jan 19, 2025
  15. bizzzzzz1

    High pressure in coolant system???

    bizzzzzz1, Oct 4, 2014 ... 7 8 9
    Replies:
    89
    Views:
    119,743
    flood
    Aug 26, 2023
  16. pittbull670

    2013 D13 spn 5394 fmi17 codes

    pittbull670, Dec 30, 2015 ... 7 8 9
    Replies:
    89
    Views:
    144,158
    dbny5000
    Aug 24, 2023
  17. KB3MMX

    2008 VNL780 adding manual fan switch

    KB3MMX, Apr 16, 2015 ... 7 8 9
    Replies:
    87
    Views:
    40,235
    mike5511
    Apr 17, 2026
  18. bravoo67

    Chinese 9998555 adapter with vcads???

    bravoo67, May 1, 2012 ... 7 8 9
    Replies:
    81
    Views:
    33,787
    bonous
    Jan 11, 2019
  19. mladen86

    2012 volvo vibration

    mladen86, Aug 24, 2014 ... 7 8 9
    Replies:
    80
    Views:
    64,678
    Stringb8n
    Dec 29, 2022
  20. v6killer

    Dreaded Air in fuel line....

    v6killer, Nov 6, 2014 ... 6 7 8
    Replies:
    78
    Views:
    55,309
    macktruck1740
    Dec 15, 2022
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