Bent Pushrod - Replace Follower? Also Cracked Pushrods - Diesel Forum - TheDieselStop.com
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6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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Old 11-05-2010, 03:43 PM   #1 (permalink)
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Bent Pushrod - Replace Follower? Also Cracked Pushrods

'05 F350 6.0L - So apparently in my hast to put everything back together after the ARP studs, injectors and Oil Cooler intstall, I did something wrong and have ended up with a bent pushrod.

Also while I was extracting the pushrods, I noticed that a couple of others seem to have cracks - one that goes almost completely around the pushrod and the other about half way around. both cracks are a little bit below half way down the pushrod, one on the same cylinder as the bent pushrod #4, the other on #2 Cyliinder.

So 2 questions:

When I insert the other pushrods into the slots it feels almost as though there is a seat that they fit in to, but when I insert the new pushrod into the slot that had the bent pushrod, I do not get that feeling - should I replace the valve tappet?

Question 2 - I am replacing all of the pushrods on this head regardless, but are these cracks normal? and should I replace the pushrods on the other head?

Last edited by Harely350; 11-05-2010 at 03:57 PM. Reason: Bad wording
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Old 11-05-2010, 04:09 PM   #2 (permalink)
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Not sure where I got the work Follower

So not sure where I got the word follower - but its my first diesel, so thinking maybe they called tappets differently in this world - sorry
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Old 11-05-2010, 04:54 PM   #3 (permalink)
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I double and triple checked and checked again when i put my pushrods back in. There were a couple that had a hard time finding the right slot to go back in probaby because of the angles. Just take your time and make sure you get it in the the right place. Not sure about the cracks, but that doesn't sound normal to me.
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Old 11-05-2010, 05:41 PM   #4 (permalink)
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Thanks worldwide73. I took my lighted magnet and stuck my head down there to see if I could see anything and it looked like there was something in the way. I was actually able to get the pushrod to go down at an angle and then move it to the left with a slight resistance and feel it seat like the others, so I am thinking that there is something in the way.

I am going to pull the head off - I think it is the best course at this point and a lot less work to pull the rest back off than if I put it all back together and then something is still wrong.

Will check back in when I get it apart. Ordered another head gasket
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Old 11-05-2010, 05:47 PM   #5 (permalink)
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Another tip from one of the techs, Cheezit, always turn the engine over by hand a couple of revs before using the starter.
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Old 11-05-2010, 06:01 PM   #6 (permalink)
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Yea - I wish I had cheezit's knowledge and experience. I've read a lot of his stuff and tried to abid by his suggestions. It's just hard to justify the tools to my wife after spending close to $5K for parts when there wasn't anything wrong with the truck to begin with. She doesn't care how much time I spend on it, just dont dip into her spa money!!!
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Old 11-05-2010, 08:55 PM   #7 (permalink)
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So head is off - Head gasket is ripped and bent around where the push tube goes through it - that is probably what I saw. Also the plastic fins at the bottom just above the lifter - they look like they collect and focus the oil back into the hydraulic lifters - the right side of the one where the push tube was bent is torn. I will take pictures and see if I can get those out later this evening - My wife has a web site - maybe she can put them out there and I can use her URL to point to them.
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Old 11-06-2010, 01:52 AM   #8 (permalink)
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OK - Heres the pics

First are the push tubes - top two hace cracks just left of center.

Bottom one is FUBAR

2nd shows head gasket tear on push tube tab

3rd shows lifter tappet follower tear on right





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