I have a 2008 L3240 HST Tractor. The Front Differential case is supported by the Front Axle Support and the Rear Axle Support. I can not seem to get grease into the Rear Axle Support. I have removed the grease fitting and pumped grease through it so the grease fitting works fine. With the grease fitting off I have removed all the grease from what appears to be a blind hole about 3/8" in diameter by about 5/8" deep. Is there any reason why I can not get grease into this Front Differential Case - Rear Axle Support. The Front Axle support once I remove the air plug takes grease fine.
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