Engines

831 topics in this forum

1. Change Your Own Oil 1 2 3 4 5

   By jomarfl, June 9, 2009
   • 102 replies
   • 83362 views
   • 
   • jleamont
   • April 13, 2017

2. Changing Fuel Filter, Water Separator on CAT engine 1 2 3 4

   By jmgrigsby, November 5, 2010
   • 88 replies
   • 113050 views
   • 
   • wolfe10
   • August 10, 2011

3. 1996 HR Navigator - HELP 1 2 3 4

   By navigator1, August 13, 2019   

   • fuel system
   • no power
   • (and 1 more)

     Tagged with:

     • fuel system
     • no power
     • ???
   • 83 replies
   • 17177 views
   • 
   • navigator1
   • February 11, 2022

4. Coolant Pipes/Metal Plumbing 1 2 3 4

   By jleamont, September 26, 2016
   • 79 replies
   • 9990 views
   • 
   • manholt
   • February 2, 2017

5. Cleaning The Radiator & CAC 1 2 3 4

   By wolfe10, May 19, 2009
   • 78 replies
   • 48325 views
   • 
   • Walt2137
   • August 27, 2015

6. 1976 Apollo 2600 RB 1 2 3 4

   By AndyK, March 27, 2020   

   • motorhome
   • vintage
   • (and 1 more)

     Tagged with:

     • motorhome
     • vintage
     • engine start
   • 76 replies
   • 16444 views
   • 
   • wolfe10
   • May 28, 2020

7. ISX valve failures 1 2 3 4

   By Mdrouin, October 2, 2018
   • 75 replies
   • 43985 views
   • 
   • five
   • February 24, 2022

8. Maxxforce Engine 1 2 3

   By rfsod48, March 16, 2017
   • 62 replies
   • 18687 views
   • 
   • hermanmullins
   • July 23, 2019

9. How Can I Tell If My Turbo Is Working? 1 2 3

   By revilob, April 21, 2017   

   • cat c7 350 turbo
   • 62 replies
   • 13135 views
   • 
   • wildebill308
   • July 21, 2017

10. Engine Temperature Fluctuation - Concern or Not? 1 2 3

    By fagnaml, October 7, 2019
    • 59 replies
    • 11323 views
    • 
    • manholt
    • March 10, 2020

11. Alternator & A/C Pulley Not Lining Up After Replacing Brushes 1 2 3

    By Losciuto, September 5, 2017
    • 58 replies
    • 11292 views
    • 
    • wildebill308
    • September 28, 2017

12. Diesel Fuel For COLD Conditions 1 2 3

    By rfsod48, January 4, 2018
    • 58 replies
    • 8600 views
    • 
    • mypopslou
    • January 11, 2018

13. Polishing Fuel Tanks 1 2 3

    By pal1955, August 14, 2017   

    • diesel
    • 53 replies
    • 9038 views
    • 
    • rsbilledwards
    • August 23, 2017

14. Cummins ISL And ISC Engines With CAPS Fuel Injector 1 2 3

    By dickandlois, July 3, 2014
    • 51 replies
    • 97468 views
    • 
    • hermanmullins
    • January 18, 2018

15. Retired Allison Transmission Fluids Engineer 1 2 3

    By hzjcm8, September 23, 2011
    • 50 replies
    • 108391 views
    • 
    • five
    • February 4, 2020

16. Dropped Valve ISX650 Cummins 1 2 3

    By hwarkentin, November 27, 2014   

    • cummins
    • isx650
    • (and 2 more)

      Tagged with:

      • cummins
      • isx650
      • i-5
      • dropped valve
    • 50 replies
    • 20552 views
    • 
    • dorgene
    • March 14, 2016

17. Performance Improvments 1 2

    By wildebill308, November 10, 2012
    • 49 replies
    • 12773 views
    • 
    • jleamont
    • September 23, 2017

18. Got Turbo Boost Again 1 2

    By dickandlois, November 6, 2014
    • 49 replies
    • 6991 views
    • 
    • jleamont
    • October 1, 2016

19. New Engine oil formulation question 1 2

    By dickandlois, May 22, 2018   

    • where are they in backwards compatability
    • 47 replies
    • 10880 views
    • 
    • manholt
    • September 1, 2018

20. Overheating going uphill only? 1 2

    By euphoria2me, August 3, 2020
    • 47 replies
    • 20005 views
    • 
    • sunlover19
    • October 27, 2020

21. Cummins 6.7L overheating issues Forest River Berkshire 2009 1 2

    By thomandcoley, August 17, 2018   

    • overheat
    • overheating
    • (and 5 more)

      Tagged with:

      • overheat
      • overheating
      • 6.7l
      • cummins
      • diesel pusher
      • forest river
      • berkshire
    • 45 replies
    • 10651 views
    • 
    • obedb
    • August 25, 2018

22. Overheating Cat 330-Discovery 1 2

    By MarinerCoachman, April 15, 2012
    • 43 replies
    • 65894 views
    • 
    • wolfe10
    • November 16, 2017

23. GM 454 Backfires 1 2

    By timinclyde, April 9, 2014
    • 43 replies
    • 57790 views
    • 
    • wildebill308
    • May 13, 2017

24. Overheating on Cummins 400 ISL 1 2

    By CGRAVES, August 21, 2009
    • 42 replies
    • 72676 views
    • 
    • manholt
    • January 20, 2020

25. Caterpillar C-9 Diagnostic Question 1 2

    By tarheels293, December 26, 2016
    • 42 replies
    • 12610 views
    • 
    • Falcon6251
    • June 27, 2017