Question about John Deere 3010,3020 Tractor Basic Carburetor Repair

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We have a 3020 john deere gas we just had head redone new head gasket put back together and only getting oil to half the rocker arms. Took rocker arm assy back off and made sure holes were clear put back together still oil to only half the rocker arms.

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You might go ahead and put a manual oil gauge in place of your oil sending unit..back side of eng block r/h side.. check you pressure,needs to be between 15 to 25 psi at low ideal,with the eng at at operating temp.The head oils from the back main to the back camshaft bearing to a port at the R/H back part of the eng block to the head.Go ahead and pour some oil on the rocker arm assemble and let the tractor run a bit work it up to high ideal.If it doesnts oil possible problem with the head gasket being ported wrong are back cam bearing,

Posted on May 18, 2010

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radar001
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SOURCE: We have a 3020 john deere gas we just had head

A couple of things should be looked at.
1. Make sure head gasket is aligned properly and not blocking any ports on the head or block. 2. When the head was milled debris may have been pushed into a port blocking flow, check for blockage. 3. When you replaced the head, did you torque the bolts in the proper sequence and to the specified ft/lbs?

Posted on Mar 26, 2010

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A couple of things should be looked at.
1. Make sure head gasket is aligned properly and not blocking any ports on the head or block. 2. When the head was milled debris may have been pushed into a port blocking flow, check for blockage. 3. When you replaced the head, did you torque the bolts in the proper sequence and to the specified ft/lbs?

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