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Rocker arm failure !

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Old Sep 17, 2015 | 12:41 PM
  #1  
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Rocker arm failure !

One of the drivers was just leaving the shop and thats where I heard a loud "BANG".My first impression was that a cac boot came loose, WRONG! the truck started knocking like crazy and smoking. After further inspection and AE cyl contribution test pointed to cyl #2. Took off driver side valve cover and found this









The ball bearing fell somewhere under the truck, thank god it was not inside the engine.

Can someone give me the part #s on a push rod, rocker arm, and the piece that connect the two valves(dont know the name). Thanks.
 
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Old Sep 17, 2015 | 12:55 PM
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It's just called a bridge. I'll look to see if I can find the rocker number. I'll bet if you'll PM SuperDutyService he could probably hook you up with a good used one cheap. The other thing you're going to need is another headbolt and it's torque to yield. He may have one (or hundreds) of those too.
 
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Old Sep 17, 2015 | 01:09 PM
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Thanks for the quick reply, cant i just get away changing the rocker arm? If i remove the injector then It can easily slide of, if i put cyl 2 at tdc i think i can just slid a new one in, I might be wrong what do yall think.
 
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Old Sep 17, 2015 | 01:20 PM
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Wonder why it broke? Could they're be bigger problems like a sticking valve?
 
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Old Sep 17, 2015 | 01:36 PM
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Originally Posted by J ballan
Wonder why it broke? Could they're be bigger problems like a sticking valve?
It was not so much the rocker arm im taking a guess here but it might of been the clip that holds the ball bearing on the rocker arm
 
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Old Sep 17, 2015 | 01:41 PM
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Well hot dog i thought it was a ball bearing but it looks almost like an air gun pellet



 
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Old Sep 17, 2015 | 05:18 PM
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Rocker arm (exhaust)
3C3Z-6564-AB


Bridge
3C3Z-6564-CA


Pushtube
8C3Z-6565-B
 
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Old Sep 17, 2015 | 05:38 PM
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Originally Posted by m-chan68
Rocker arm (exhaust)
3C3Z-6564-AB


Bridge
3C3Z-6564-CA


Pushtube
8C3Z-6565-B

Thank you sir just what I needed.
I checked the push rod, lucked out it ain't bent.
 
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Old Sep 17, 2015 | 06:29 PM
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Did you roll it on a flat surface?
The bridge should be ok, never have seen a bad one.
You will need a head bolt to replace the rocker arms unless you have the tool.
 
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Old Sep 17, 2015 | 06:36 PM
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Yes on the first ? Rolled it on a steel plate i had laying around.
And on the second ? I just pulled the injector out and yanked the rocker arm off. Hopefully I can avoid taking that head bolt out.
 
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Old Sep 17, 2015 | 07:44 PM
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It would be far more preferable for you to obtain the proper valve bridge compressor tool to change out that rocker arm. That way, you won't be disturbing the head bolt.
 
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Old Sep 18, 2015 | 04:40 AM
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M-chan you mean this little thing?

http://www.ebay.com/itm/New-Rocker-Arm-Release-Tool-303-1170-Fast-Shipping-/281753732070?hash=item4199d4c3e6&item=281753732070&vxp=mtr

Sean

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Old Sep 18, 2015 | 10:08 AM
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That's it. Easier to re-ring the injector than mess with the head bolt. Here's the book on how to use it.
 
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Old Sep 18, 2015 | 05:57 PM
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BTW I think that Freedom Racing "rents" that tool. If you to
to there web site at Freedom Racing



Sean

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