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John Deere 1023E Troubleshooting

The John Deere 1023E is a 4WD sub-compact utility tractor. This model was manufactured from 2011 to 2021. The John Deere 1023E tractor is powered by 55.1 cu.in (899 cc) Yanmar 3TNM72 vertical inline 3-cylinder indirect injection diesel engine with a rated power of 23.5 hp (17.5 kW), or 60.6 cu.in (993 cc) Yanmar 3TNM74F vertical 3-cylinder indirect injection liquid-cooled diesel engine with a rated power of 23.9 hp (17.8 kW).

The John Deere 1023E has a 2-range hydrostatic transmission with infinite forward and reverse gears. Max. travel speed (forward/reverse): 9.1 mph (14.5 km/h). The open center hydraulic system used a gear pump with rated fluid flow of 3.5 gpm (13.3 lpm). The hydraulic system pressure is 148 bar (2150 psi). The JD 1023E is equipped with a power steering system, wet disc brakes, 18x8.50-10 front tires, and 26x12.00-12 rear tires. The wheelbase is 57" (1450 mm).

The tractor is compatible with the following attachments: 54" or 60" mid-mount 3-blade AutoConnect mower decks, 47" or 54" front-mount snowblowers, 54" front-mount blade, John Deere D120 front-end loader with lift capacity to full height of 825 lbs (374 kg), John Deere H120 front-end loader with lift capacity to full height of 836 lbs (380 kg), and John Deere 260 backhoe with 2-ft flat digging depth of 72" (1820 mm).

Engine Troubleshooting
Engine won't start or hard to start
Fuel filter is dirty - Service the filter
Fuel is not supplied from the tank to the system - Check the fuel shut-off valve
Air in fuel system - Air-bleed fuel system
Fuel injectors are defective or dirty - Service or change fuel injectors
Fuel injection pump failure - Rebuild or install a new injection pump
Engine has low compression - Check and change damaged parts
Engine shuts off while driving
Engine is cold - Warm up engine as required
Air in fuel system - Air-bleed fuel system
Irregular fuel injection - Adjust fuel injection timing
Fuel filter is dirty - Clean or replace the filter
Clogged or damaged injectors - Service or change fuel injectors
Diesel starts but then stalls
Fuel injection pump timing is incorrect - Fuel pump timing settings need to be corrected
Fuel filter is clogged - Service the filter
Fuel injector nozzles are faulty - Inspect injector nozzles and change if required
Damaged fuel injection pump - Repair or replace injection pump
Clogged air cleaner - Service or change air cleaner
Engine stops when idling
Low idle speed set incorrectly - Adjust low idling as recommended
Faulty fuel injection pump - Replacement or repair required
Clogged or damaged injector nozzles - Replace fuel injector nozzles
Excessive valve clearance - Correct valve clearance needs to be set
Engine is overheated
Engine has a lack of coolant - Fill the cooling system. Any leaks must be repaired
Cooling system parts are worn or system is clogged - Change faulty components or flush the cooling system
Insufficient engine oil - Check oil level and add oil as required
Fan belt is worn or belt tension is improper - Change or adjust belt tension correctly
Defective thermostat - Install new thermostat
Loss of engine power
Clogged fuel injectors - Service or change fuel injectors
Insufficient fuel injection pressure - Repair or replace injection pump
Air filter is dirty - Replace or clean the air filter element
Oil filter clogging - Replace or clean engine oil filter element
Engine is running overloaded - Reduce the load or operate the tractor in lower gears
The valve clearance is incorrect - Adjust to proper valve clearance
Incorrect low idle setting - Test and adjust
Clogged fuel hoses or pipes - Fuel hoses and pipes must be clean
Low engine compression: Valves are damaged or leaking - Replace the valves
Engine noise or knocking
Fuel injection pump out of timing - Check and correct settings
Fuel injector nozzles are dirty - Change or clean injector nozzles
Engine oil level is insufficient - Fill the crankcase with engine oil
Engine has not warmed up to the recommended temperature - Warm up the engine
Crankshaft or main bearings failure - Crankshaft or bearings need to be replaced
Piston rings are damaged or broken - Have piston rings replaced
Loose flywheel screws - Inspect the flywheel screws and tighten securely
Excessive oil consumption
Oil leaks: Gaskets or seals can be faulty - Replace to repair leaks
Oil viscosity is wrong - Use oil of correct viscosity
Damaged or seized piston rings - Install new piston rings
Worn valve guides and valve stems - Valves need to be changed
Worn pistons or cylinder liners - Check liners and pistons, change as required

Electrical System Troubleshooting
Battery does not charge
Battery is worn - Use a new battery
Bad battery electrical wire harness - Check wires for malfunctions, repair or replace
Loose or corroded battery terminals and cables - Tighten or clean cables and terminals
Improper belt tension adjustment or damaged belt - Change belt or correctly adjust belt tension
Starter cranks slow
Low battery power - Battery is drained, recharge it
Battery won’t hold charge - Service battery or replace it
Bad battery cable harness - Inspect cables for malfunctions, repair or change
Battery terminals and cables are corroded or loose - Service or tighten battery cables and terminals
Starter is not cranking
Low battery voltage - Battery needs to be recharged
Drained or defective battery - Recharge or replace battery
Starter motor failure - Replace or repair starter
Incorrectly connected or disconnected wires - Check battery wires and connect correctly

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission is making noise
Transmission oil level is too low or oil is dirty - Pour fresh oil or add oil to proper level
Worn or misadjusted speed control rod linkage - Replace rod linkage or adjust correctly
Damaged relief valve - Replace valve as required
Excessive loading - Reduce the load is required
Transmission components are worn or damaged - Replace or repair worn components
Transmission fluid overheated
Oil level is low - Check transmission oil level and add oil as required
Transmission fluid filter element is dirty - Replace or clean transmission fluid filter
Cooling components are plugged or defective - Check all cooling components and change or repair if required
Excessive transmission load - Reduce the load is required
Loss of power
Insufficient oil supply - Add transmission oil as required
Charge pressure is insufficient - Test charge pressure
Relief valve is worn or defective - Replace relief valve
Transmission oil leakage
Gaskets or seals are defective Replace worn seal or gaskets
High pressure inside the transmission housing - Replace defective components
Plugged oil drain pipe - Service or change drain pipe

Hydraulics Troubleshooting
Hydraulic system is overheated
Incorrect hydraulic system pressure setting - Change the pressure settings
Faulty or incorrectly adjusted main relief valve - Adjust the valve or replace if necessary
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil
Air in hydraulic system - Inspect the pump seals, suction pipe, and fittings
Hydraulic fluid pressure is low
Hydraulic oil level is insufficient - Add oil to the hydraulic system
Hydraulic oil filter is dirty - Clean or change hydraulic filter
Hydraulic pump is faulty - Check the pump performance and replace it if required
Faulty or incorrect setting hydraulic spool valve - Replace or set correctly
Hydraulic cylinder failure - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Hydraulic piping leaks - Detect leaks in the system and fix it
3-point hitch raises slowly or won't raise
Not enough hydraulic fluid in the system - Fill the hydraulic system with oil
Cold fluid in hydraulic system - Wait for fluid to warm up
Hydraulic oil filter element is dirty - Change hydraulic filter element or clean if necessary
Hydraulic pump malfunction - Flow-rate hydraulic pump and replace pump if necessary
Main relief valve is defective or unadjusted - Replace or set up the relief valve
Hydraulic spool valve is defective or set improper - Adjust properly or replace
Broken hydraulic cylinder - Check the hydraulic cylinder parts for damage or wear and replace if necessary
Damaged or loose suction line - Tighten or change
3-point hitch lowers slowly or won't lower
Hydraulic control valve block is defective or set improper - Set properly or replace
Hydraulic cylinder is faulty - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Worn hitch rock shaft - Install a new shaft
The hitch is defective if there is internal mechanical damage - Change defective or worn hitch parts
Jerky lowering or lifting of the hitch
Air enters in hydraulic system - Check the suction pipe, fittings, and pump seals
Hydraulic oil is contaminated - Fill up with fresh hydraulic oil
Hydraulic pump not working - Check pump performance and change it if necessary
Faulty or incorrect setting hydraulic spool valve - Adjust correctly or replace
Hydraulic cylinder is not working - Check the hydraulic cylinder parts for damage or wear and replace if necessary

Steering System Troubleshooting
Steering is stiff
Steering column is damaged or improperly mounted - Replace the steering column or mount it properly
Air trapped in the steering system - Bleed the system of air
Toe-in adjustment is incorrect - Adjust toe-in wheels properly
Tire pressure is not correct - Check tire pressure and inflate as required
Steering pump not working - Steering pump needs to be replaced or repaired
Faulty or worn power steering valve - Repair or replace the steering valve
Stuck or malfunctioning relief valve - Service or replace the relief valve
Low steering fluid level - Fill the steering system with fluid
Oil leaks in the steering system - Tighten the steering pipe and hose joints
Steering wheel has too much free-play
Steering column coupling or shaft has maximum wear - Change faulty component
Power steering valve is damaged or worn - Inspect and replace as required
Steering pump failure - Check the steering pump and replace if necessary
Worn or faulty steering linkage or tie-rod ends - Change failed component
Tractor is pulling to left or right
Improper tire pressure - Check the pressure and inflate tires as required
Improper toe-in adjustment - Adjust toe-in correctly
Worn or faulty steering tie-rod ends or linkage - Change damaged part
Power steering valve is defective or worn - Inspect and replace as required
Defective steering cylinder - Repair or change steering cylinder
Incorrectly adjusted or damaged front hub bearings - Adjust properly or replace bearings




Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294