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f150 rocker arms

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Old 09-02-2011, 08:29 PM
Xtra8ball Xtra8ball is offline
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Smile f150 rocker arms

Put new push rods in and got 9of the 12 rocker arms .3 of them won't tighten but bolt tightened up but the rocker still loose tried everything.... Need to get than on
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Old 09-03-2011, 03:31 AM
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From what I can gather from your post, you changed push-rods and 3 of the rocker arms are loose? To try and help you out here, I need some more information.

How long has the motor sat with out being ran?
How many miles?
Did you make sure to get the right length push-rods?

Couple things could be going on, too short of push-rods or 3 drained (collapsed) lifters.

Why were you replacing the push-rods?
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Old 09-03-2011, 07:52 AM
Xtra8ball Xtra8ball is offline
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Found to exhust push rods out and some one toldme to replace all of them why I was that far took old push rod with me to match up length...
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Old 09-03-2011, 09:06 AM
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I agree with perhaps a collasped lifter. If you got all new pushrods in a new package, there shouldn't be a problem except for perhaps a collasped lifter.

Are you using a good torque wrench? On these rocker arms, you should be dialed between 18 and 22 ft. lbs. of torque. When setting each rocker arm, you should find TDC for #1 cylinder and start from there. When you get #1 cylinders' intake and exhaust valve to close, that is where you should torque each rocker arm down. Then progress in sequence with your engines' firing order. You should be no more than 22 lbs for each rocker arm.

Also, try to clear up your post with some punctation and direction. I only offer that since it can be confusing to understand statements that may offer information concerning "why, how, when, what" something is if other member's cannot get a clear understanding of your problem.
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Old 09-03-2011, 11:29 AM
Xtra8ball Xtra8ball is offline
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Dont have a York driver I was told to just tighten them tight then it would adjust it self..
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Old 09-03-2011, 11:34 AM
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How docheck for number one compression...there's exhust rods then the other one must be for firing.
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Old 09-03-2011, 01:32 PM
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I figured out how to tighten thirsting push rod bolts like you said but when I turn the motor ny hand to do the next one others come loose the rocker that is can't find the pounds ofpressure I need I'm gonna have to het. Torque wrench but news to no right pounds per inch or pounds per pressure...
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Old 09-05-2011, 03:13 PM
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Ok I put the intake back on and ran the truck push rods were working all cylenders was fine .but when I put the oil pan back on and manifold put everthing back together.started the truck and engine runs hihhigh and here a chattering noise won't idle down have all sensores plug in just don't understand.......
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