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#4 Misfire....WTF

Old Jun 29, 2024 | 06:37 PM
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Default #4 Misfire....WTF

Well, I guess I figured out why #4 was misfiring!!!
Has anyone seen anything like this?
The arm is mashed down in between the spring and push rod.
Any suggestions?
Help needed and appreciated
​​

This is weird
 

Last edited by Crid; Jun 29, 2024 at 06:42 PM.
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Old Jun 29, 2024 | 07:08 PM
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Looks like the valve is bent too.... Head is gonna have to come off.
 
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Old Jun 30, 2024 | 05:37 AM
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Looks like you broke a valve spring
 
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Old Jul 7, 2024 | 04:12 PM
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Thanks for the reply. Yeah, I pulled the head and cleaned up. Replaced broken valve spring and push rod.
. Checked lifters and cam.
We're just fine.
Back together. No problems
 
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Old Oct 22, 2024 | 01:29 AM
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So its ok to replace only one valve spring??? I have a broken valve spring on cycinder #5 of my 5.9L 1999 dodge Durango.
 
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Old Oct 22, 2024 | 10:18 AM
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Originally Posted by DIYRandy
So its ok to replace only one valve spring??? I have a broken valve spring on cycinder #5 of my 5.9L 1999 dodge Durango.
Yeah. You can do that. Why it broke becomes the question though......
 
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Old Oct 28, 2024 | 07:52 PM
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Originally Posted by HeyYou
Yeah. You can do that. Why it broke becomes the question though......
Cause it's an 03 and it's a problem
 
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