Engine and Transmission

6,423 topics in this forum

1. 2001 ETECH Oil filter leak at gasket

   By zeault, March 29, 2022
   • 20 replies
   • 2.1k views
   • 
   • terry
   • June 29, 2022

2. Cooling system

   By muncieman, June 28, 2022
   • 0 replies
   • 532 views
   • 
   • muncieman
   • June 28, 2022

3. T675 E6 2vlv options?

   By REO, June 27, 2022
   • 0 replies
   • 658 views
   • 
   • REO
   • June 27, 2022

4. Air compressor question

   By mcratchet1, June 10, 2022
   • 10 replies
   • 1.5k views
   • 
   • Jamkar
   • June 26, 2022

5. Clattering with light load 1 2 3

   By Lukasswaziek, February 3, 2022
   • 55 replies
   • 5.2k views
   • 
   • Lukasswaziek
   • June 25, 2022

6. '01 RD 688S Fuel in the oil..

   By Joey Mack, June 18, 2022
   • 15 replies
   • 1.4k views
   • 
   • fjh
   • June 24, 2022

7. Injector line routing EC6-350

   By sdthoren, June 16, 2022
   • 10 replies
   • 1.5k views
   • 
   • sdthoren
   • June 22, 2022

8. 1998 Mack trident

   By Will, June 16, 2022
   • 10 replies
   • 1.1k views
   • 
   • Joey Mack
   • June 17, 2022

9. 1998 ch613(old bowman truck)

   By cxn613, June 16, 2022
   • 3 replies
   • 727 views
   • 
   • cxn613
   • June 17, 2022

10. T310M Stuck in reverse and blowing air into case

    By Mack Hammer, June 10, 2022
    • 22 replies
    • 3.5k views
    • 
    • R.E.D
    • June 14, 2022

11. Overheating problem

    By Gravelguy413, June 3, 2022
    • 10 replies
    • 2k views
    • 
    • Onyx610
    • June 13, 2022

12. Mack 12 speed noisy in 4th gear

    By DieselDog5.9, June 10, 2022
    • 3 replies
    • 753 views
    • 
    • mrsmackpaul
    • June 11, 2022

13. Crank no start, good fuel to injection pump

    By LCE_Hauler, February 26, 2022
    • 20 replies
    • 2.7k views
    • 
    • LCE_Hauler
    • June 10, 2022

14. Truck derate and EGR delete

    By Reid, June 9, 2022
    • 2 replies
    • 1.3k views
    • 
    • fjh
    • June 10, 2022

15. Cooling system flush

    By Gravelguy413, June 10, 2022
    • 0 replies
    • 523 views
    • 
    • Gravelguy413
    • June 10, 2022

16. Thermostat change e7

    By Gravelguy413, June 9, 2022
    • 5 replies
    • 1.3k views
    • 
    • JoeH
    • June 9, 2022

17. part # 25502497 supercedes 322GC512M SUPPLY PUMP on backorder apparently indefinitely

    By dsc3805, February 28, 2022
    • 4 replies
    • 1.1k views
    • 
    • Z.JonesMack
    • June 9, 2022

18. MP8 Engine Oil Thermostat Bypass Open (SPN-4813)

    By PDFT, June 6, 2022
    • 4 replies
    • 6.6k views
    • 
    • PDFT
    • June 7, 2022

19. pump timing

    By theakerstwo, June 4, 2022
    • 9 replies
    • 1.3k views
    • 
    • Steve L
    • June 6, 2022

20. Another trans swap question. 1 2

    By Tinman22, May 27, 2022
    • 36 replies
    • 4.3k views
    • 
    • Dirtymilkman
    • June 2, 2022

21. 2005 CX 470 ETEC pushing coolant 1 2 3

    By Elitedownunder, August 26, 2021
    • 66 replies
    • 7.2k views
    • 
    • Jamkar
    • May 31, 2022

22. RD690S/R685S info

    By tl1975, May 29, 2022
    • 2 replies
    • 1k views
    • 
    • youngstown.bulldog80
    • May 29, 2022

23. Tachometer Question 1977 RD685ST

    By Paul Rattenbury, May 29, 2022
    • 1 reply
    • 953 views
    • 
    • fjh
    • May 29, 2022

24. 2019 lr600 trash unit won't regen

    By Ryan Tenney, April 10, 2020
    • 7 replies
    • 2.9k views
    • 
    • Ed W
    • May 27, 2022

25. Clutch Question 2000 Mack Rd688

    By Ricky Beals, May 24, 2022
    • 8 replies
    • 1.5k views
    • 
    • Joey Mack
    • May 24, 2022