Question about John Deere 420,1020,2010,2020,2510,2520 Tractor Float
Cylinder Compression Low, Valves worn ... not seating properly, valve stems.
Injector nozzles worn ... dribbling rather than precise squirts, injection pump worn.
First and easiest thing to do: pull all nozzles and have them tested, pull the injection pump and have it rebuilt and re-calibrated.
*NOTE: you can pull these, but are components that proffessional need to rebuild and calibrate. Truck shop, or farm tractor shops have places that specialize in this type of work.
If it is gasoline, I would look towards pistons, rings, valves.
Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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