DTAC Solution 2.4/3.0 Liter 5030/4024 Injection pump hold down clamp screws
On John Deere's 2.4 Liter and 3.0 Liter engines (the 5 cylinder 5030 and the 4 cylinder 4024) the Injector and Injection pump hold down clamp screws where made 5mm to long so the bolts were bottoming out in the hole before reaching the proper torque. This results in broken clamp screws which then allow the injection pumps to move allowing oil and fuel to mix. This can be confirmed by removing the valve cover. Do not attempt to make any repairs to these components on your own. It requires special tooling that are very expensive and only the dealerships have. In order to fix this it requires removing everything off the front of the engine to get to the governor cover on the front cover. It will also result most likely in the replacement of the all the injection pumps in order to prevent uneven fueling of cylinders. In order to prevent this and thus require the replacement of the pumps take it in and have them replace the hold down clamp screws with the new ones that are 5mm shorter. It is much cheaper to do the preventative maintenance then it is to wait for them to break.
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