AGAIN!! Bent Push Rods #1 & 3 - 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 05-28-2007, 10:22 PM   #1 (permalink)
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AGAIN!! Bent Push Rods #1 & 3

Here we go again. The truck left me and the family stranded in the middle of nowhere with the exact same indicators as last time, loss of power, major miss, loud popping from the intake. I have put under 1000 miles,(one month) on the truck since I got it out of the dealership for bent push rods in cylinders 1 & 3. Prior to this time the same problem at 211 miles, then at 17,500 then at 24,800 and again now. Each time the rods and valve train were replaced. This last time the heads were also replaced. I have spoken to Ford and they think the same repair should be done, AGAIN. See my previos posts under bent rods, or, in shop for 39 days. The truck just turned 26,000 miles. Is there any hope? Last time the Ford rep started talking buy back, and sent me a months payment until the repairs were completed. What do you think I need to do? Thanx in advance.. I will keep this updated.
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Old 05-28-2007, 11:03 PM   #2 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

Buy back if you can. If the same problem is happening like that i would have to think it would be the dealership not knowing what they are doing
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Old 05-28-2007, 11:05 PM   #3 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

I'd try and get ford to send an engineer specifically for my truck. or discount an 07' big time.
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Old 05-28-2007, 11:09 PM   #4 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

I remember there is a keeper over the lifters that was not installed on some engines.I have to go find it in my manual and get back to you.
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Old 05-29-2007, 12:14 AM   #5 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

The repairs have been done by 3 (three) different dealers in 3 different states. HELP!!!
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Old 05-29-2007, 02:48 AM   #6 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

Does this truck have any equipment we aren't being told about? This is a question that needs to be asked.....

Repeat failures involving the same cylinders should have alarm bells going in some techs mind.... (knowing vehicle history can be a wonderful thing).

Some considerations.... all of your problems appear to involve bank 1 (the right hand or passengers side). From memory, the failures appear to involve the front two cylinders on that side. Sometimes, the smallest clues can lead to the biggest gains...
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Old 05-29-2007, 03:16 AM   #7 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

None that I know of. No chips or upgrades were added. Stock exhaust, stock everything. My signature is all I have. Unless the dealer I purchased it from did not disclose something. Thanx...Please keep thinking!!!!
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Old 05-29-2007, 09:29 AM   #8 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

Is it always the exhaust pushrods?

Does this truck have phenomenal deceleration in tow/haul mode?

I'm thinking out loud but if the vanes had too much travel and were really restricting exhaust the possibility exists that the pressures might be holding valves open and bends the p'rods. I know it is a stretch but in my days of dealing broken autos professionally I have seen some weird stuff that defies normal logic. I would think the pressure build up would not effect only those two cylinders but reflected gas pressure waves don't follow logic.

I know this is just a notch or two up from Demonic possession as a cause but the things already replaced rule out a whole lot of other things. The way I understand the VN turbo, a mis-indexed assembly might increase the travel of vanes one way or the other........
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Old 05-29-2007, 09:40 AM   #9 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

I believe the bent rods were exhaust. but don't hold me to it. The repair paperwork is not that specific. It has had a turbo replacement 10,000 miles ago.
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Old 05-29-2007, 09:44 AM   #10 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

Cylinders 1 and 3 are the closest ones to the EGR system. You may have a fault with that...

It is possible that a small amount of coolant from an EGR cooler leak could rust the intake valve stems on 1 and 3, and bend the pushrods when the valves won't open... But that's a long shot...
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Old 05-29-2007, 09:58 AM   #11 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

With only 1000 miles after new rods were put in?
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Old 05-29-2007, 10:55 AM   #12 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

Well, if the root cause is a leaking EGR cooler, for instance, that is causing rust buildup on #1 and #3 intake valve stems, then replacing the pushrods for those cylinders won't fix anything... The new pushrods will bend just as fast as the old ones did...
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Old 05-29-2007, 08:03 PM   #13 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

The truck is driven daily. Is that still a possibility?
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Old 05-30-2007, 12:15 AM   #14 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

here is what possibly could be your trouble.

2004 FORD manual for the F250, 350, 450,550 section 303-01c-167

30. Caution-to prevent engine damage, keep the cam followers in the order they were removed. Install the cam followers back in their original positions
NOTE- only the front guides use bolts.

that last sentence tells me it is possible no bolt was installed.
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Old 05-30-2007, 01:00 AM   #15 (permalink)
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Re: AGAIN!! Bent Push Rods #1 & 3

At three different dealers? Three times? Could they really be that poor of mechanics? Do I let them try again or pursue a buy back?
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