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5.9 Cummins 24V bent/broke pushrod

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We discover a pushrod failure in a 5.9 24V cummins and get it back up and running.
**HEAD AND BLOCK WERE CLEANED WITH A 320 SCOTCH BRITE SCUFF WHEEL ON A LOW SPEED DRILL TO PREVENT REMOVING ANY HEAD OR BLOCK MATERIAL**
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Automedic Garage does not own nor claim the rights to any songs in this or other videos. This video is intended for informational and entertainment purposes. Always follow manufacturer and professional practices/advice when performing maintenance and modifications to any vehicle. Automedic Garage is not responsible for any damages or injuries incurred from attempting work portrayed in this video.
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Опубликовано:

6 окт 2021

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Комментарии : 27

@Corvacar 27 дней назад

I would like to see Cummins adopt the Engineering that’s in the Signature Engine. The overhead Cam thing would be nice to see in the B Engines.

@packingbone1953 2 года назад

Your a good guy always helping your buddy’s out.

@tonibueltemann5516 2 года назад

Great video, I bet Ol Tim was sweating bullets tearing into that engine.

@AutomedicGarage 2 года назад

So before anyone else thinks I used a surface grinder to clean the head and block that was a 320 scotch brite wheel on a low speed drill so no removal of head or block material would occur. That’s why it took so much time to get the gasket material off due to how non-aggressive the pad was.

@dustypayne311 2 года назад

Awesome job again.

@greglopez7345 9 месяцев назад

Great job

@danielvergel8636 7 месяцев назад

Two of my 6.7 had pushrod like that , but in my case was head Valve problems, also had to replace piston because it was hit . I calibrated mine 8/18 and I like it so far.

@AutomedicGarage 7 месяцев назад

Good deal. Valve adjustment is a must on these and most don’t know or don’t care till something like this happens.

@ertreeservice9558 2 года назад

I just changed injectors on my 5.9 and I bent the exhaust pushrod on #3 cylinder when I first started it up, but it it didn’t brake off like the one in the video so I’m hoping I can just buy another pushrod and I’ll be good 😬

@AutomedicGarage 2 года назад

Should be able to

@limpy33 Год назад

Hey, just curious if replacing just the pushrod worked for you as I just had the same situation. Thanks

@4wdiesels Год назад

I always enjoy watching these types of repairs on a Cummins B series. They are elegantly simple compared to Powerstrokes and Dmaxs. At the end of the day, do you think that the head really needed to come off? I was wondering if you were gonna try a magnet which you did and I'm sure you were glad it worked. I have a really thin diameter extendable length pickup magnet which probably would have fit down the pushrod bore. Either way, looks like a job well done!

@AutomedicGarage Год назад

It was wedged in the tappet pretty good. Not sure any would have pulled it out but we got lucky on the tappet being ok. Cummins is my second pick after a Powerstroke. Don’t care for DMax. Thanks for watching.

@overheadcam32 2 года назад

What condition were your rockers in? I'm doing injectors and studs now and my rockers are sticking from galling. Ordered new rockers from Hamilton. Stock pushrods appear to be ok

@AutomedicGarage 2 года назад

He was on a budget when this happened and needed it back on the road ASAP but I wanted to replace all the rockers and if it had been my own truck would have. But I truly feel that this happened due to lack of valve adjustment. If I remember correct this truck had 275k on the clock and he had never adjusted the valves. Your doing the right thing replacing your rockers.

@johnstark3058 Год назад

I have a bit of a miss that is more noticeable at idle and low rpm, coul a pushrod be ever so slightly bent and cause this, truck has decent power in the upper part of the rpm range, just has this annoying rough idle, ive done valve lash and replaced one problematic injector?

@AutomedicGarage Год назад

I’d be looking at a injector. The only reason he had one bend was because his valve lash was never adjusted and got so out that the pushrod worked out of the rocker socket.

@johnstark3058 Год назад

@@AutomedicGarage well when I did the one injector I noticed all the rockers were NOT torqued to spec....so after i torqued the rockers I had to go back and do valve lash again, somebody did head studs on this motor but they didn't pay attention to details so I am trying to rule out all possibilities, when I do other injectors I am going to check all rockers and pushrods, easy enough to pull em out one at a time and roll em on a mirror, where is a good source for injectors by the way?

@AutomedicGarage Год назад

@@johnstark3058 I use nothing but oem on Cummins and Powerstroke unless we’re doing a build and need to go up in size. Which I haven’t done in a Cummins in awhile but with the powerstrokes I use warren diesel.

@snyderkurtis 2 года назад

So I’m paranoid because after I did studs and valve lash I pulled a pushrod for shots and giggles and put it back and it’s like there is more of the normal Cummins clacking sound from inside the truck but outside sounds smooth. Would I know if it was bent when it’s running

@AutomedicGarage 2 года назад

Yea his was a dead miss with no power

@snyderkurtis 2 года назад

@@AutomedicGarage okay thanks, I think I’m just hearing more of the motor since I’m not hearing my valves as much. I was about to pull it back apart and go over everything haha

@jpop2499 Год назад

Run the valve clearance to be sure.

@JLA1911A1 Год назад

TTY? Cummins uses TTA bolts and they can absolutely be reused if within length spec.

@AutomedicGarage Год назад

@@JLA1911A1 I’m not a Cummins mechanic they felt like torque to yeild the way they were stretching and not achieving torque which technically they are because TTA isn’t a bolt but the process of tightening a bolt to achieve the clamp down force. You torque to said torque with the final degree inferred by the manufacturer specs. They had to be replaced in this situation because they didn’t even want to torque to the Cummins spec. Not to mention they are inexpensive so why not replace anyway?