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Colter · 06-20-2025, **(Subject: 2013 ISX 15 rapid sudden coolant consumption )**

On a semi unrelated note, Cummins has changed the torque on the scissor and idler gears bolts. It has been significantly reduced. Any engine that has not had those bolts replaced and torqued to new spec since the change around a year ago, I would highly recommend you add that into your rebuild

Nerv · 06-21-2025, **(Subject: 2013 ISX 15 rapid sudden coolant consumption )**

All OEM everything, here is a picture…

Nerv · 06-21-2025, **(Subject: 2013 ISX 15 rapid sudden coolant consumption )**

No, all the old ones were the same length.. im tempted to reuse them instead of these..

Nerv · 06-25-2025, **(Subject: 2013 ISX 15 rapid sudden coolant consumption )**

Can anyone confirm this before i start putting these in?

Rawze · 06-26-2025, **(Subject: 2013 ISX 15 rapid sudden coolant consumption )**

(06-25-2025 )Nerv Wrote: Can anyone confirm this before i start putting these in?

It should not matter if they are OEM. Looks like they will do the same exact job to me.

Nerv

(06-26-2025 )Rawze Wrote:
(06-25-2025 )Nerv Wrote: Can anyone confirm this before i start putting these in?

It should not matter if they are OEM. Looks like they will do the same exact job to me.

They all sat right toward the opening in the piston, i believe the main thing is that they point in the right direction rather than the length. I just got the head on nice, waiting to re-torque to 300lbs tomorrow, then 90 degrees and verify the 475ftlbs. Only thing I overlooked was the initial 150ftlbs, will everything be ok? I totally understood the post as torque to 300ftlbs initially. Im hoping it doesn’t make a difference since im still waiting the 24hrs to retorque. Let me know if I should correct something… thanks