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Transmission oil overheats
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Low oil supply
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Fill system with correct oil
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Oil cooler air passages clogged
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Clean oil coolers
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Clogged transmission oil filter element
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Replace filter elements
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Transmission vent, between engine to transmission yoke, leaks oil
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Clogged transmission filter screen
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Clean screen
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Transmission warning light comes on
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Diagnostic code has been stored
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See PCU diagnostic codes in the Service Codes Section
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Transmission skips gears
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No problem
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See Operating the Transmission in Operating the Tractor Section
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Transmission shifts differently from some gears to others
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No problem
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See Operating the Transmission in Operating the Tractor Section
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Transmission shifts slowly and tractor steers hard
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Cold oil
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See Shifting the Transmission in Operating the Tractor Section
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See Transmission-Hydraulic System Warm-Up in Operating the Tractor Section
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Transmission shifts differently now than before
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Recalibrate transmission
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See Shifting the Transmission in Operating the Tractor Section
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See Changing Transmission-Hydraulic Oil in the Lubrication Section
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See your John Deere Dealer
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Engine speeds up or slows down during some shifts
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No problem
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See Shifting the Transmission in Operating the Tractor Section
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Transmission starts out too fast/slow
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No problem
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Start-up gear can be changed. See Shifting the Transmission in Operating the Tractor Section.
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