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John Deere 2555 Troubleshooting

John Deere 2555 Engine Troubleshooting

Engine starts hard or won't start: Fuel filter element is dirty. Clean or change the filter. Air trapped in fuel system. Bleed air. Defective or clogged injection nozzle. Check and replace nozzles if required. Fuel injection pump is broken. Rebuild or replace pump.

Engine stalls while running: Improper setting of fuel injection pump timing. Adjust according to specifications. Dirty fuel filter. Clean or replace the filter. Engine is cold. Warm up engine as required.

Diesel starts but stalls immediately: Fuel filter element clogging. Clean or change the filter. Fuel injection pump is not working correctly. Repair or install a new fuel pump. Air filter is clogged. Clean or change the filter.

Engine overheated: Radiator core is dirty or radiator cap is damaged. Change cap or clean radiator. Engine coolant is insufficient. Top up coolant fluid and check system for leaks. Broken or loose fan belt. Replace the fan belt. Engine oil level is low. Fill the crankcase with engine oil.

Engine power is too low: Defective or clogged injection nozzle. If necessary, replace with a new nozzle. Fuel hoses or lines are dirty. Clean fuel system hoses and lines. Clogged air filter element. Clean or replace the element. Cylinder-head gasket is broken. Change cylinder head gasket.

Engine knocks or noises: Engine is cold. Warm up to required temperature. Lack of engine oil. Fill up the engine oil. Improper fuel injection timing. Use the correct fuel injection pump timing adjustment. Scored or worn pistons. Replace the pistons as required. Connecting rod is not aligned or defective. Connecting rod must be aligned or replaced.

Engine stalling at idle: Low idle speed adjustment is incorrect. Correct low idle settings. Improper valve clearance. Correct valve clearance needs to be set. Fuel injection pump malfunctioning. Repair or change injection pump.

Oil pressure is insufficient: Oil level is low. Fill the crankcase with oil. Oil pump failure. Inspect and change as required. Oil filter is dirty. Clean or replace engine oil filter element.

John Deere 2555 Transmission Troubleshooting

Transmission noise: Incorrect backlash or gears are worn. Change the gears or set backlash properly. Worn or bent gear shift forks. Replace the shift forks. Shaft splines are damaged or worn. Change defective shaft. Insufficient transmission fluid. Checking transmission fluid level and add if necessary. Worn or broken bearings. Install new bearings. Transmission oil is contaminated. Fill up with fresh transmission oil.

Gear shift is hard: Gear shift linkage is corroded or worn. Lubricate or replace the shift linkage. Improperly adjusted or worn clutch. Clutch adjustment or replacement required. Shift forks are bent or worn out. Shift forks need to be changed. Gear shifting mechanism is defective. Defective parts must be replaced.

Low transmission pressure: Low oil level. Fill the transmission housing with oil. Transmission fluid filter is clogged (if fitted). Replace or service transmission fluid filter. Relief valve malfunction. Install a new valve.

Transmission fluid leakage: Seals or gaskets are worn. Change defective gaskets or seal. High transmission oil level. Correct the oil level.

John Deere 2555 Hydraulic System Troubleshooting

Excessive hydraulic system heat: Hydraulic fluid type is improper. The proper type of fluid must be used. Hydraulic fluid contamination. Change hydraulic fluid. Air in hydraulic system. Bleed air from hydraulic system. Defective main relief valve. Change relief valve.

Insufficient hydraulic oil pressure: Hydraulic oil level low. Need to add oil. Dirty hydraulic fluid filter. Clean the hydraulic filter element or replace if necessary. Leaking hydraulic pipes. Inspect hydraulic system for leaks and repair it. Hydraulic control valve block is not set properly. Use the proper setting. Defective hydraulic pump. Repair or replace hydraulic fluid pump. Broken hydraulic cylinder. Repair or change hydraulic cylinder.

Hitch does not raise or raises very slowly: Hydraulic pump malfunction. Repair or replace hydraulic fluid pump. Main relief valve malfunctioning. Relief valve need to be replaced. Damaged hydraulic control valve. Repair or change hydraulic valve. Broken hydraulic cylinder. Replace or repair hydraulic cylinder. Hydraulic fluid level low. Fill the system to proper hydraulic fluid level. Hydraulic fluid filter element is clogged. Clean the hydraulic filter element or replace if necessary. Heavy load on the hitch. Reduce hitch load.

Hitch fails to drop or drops slowly: Hydraulic cylinder is faulty. Replace or repair hydraulic cylinder. Incorrect setting hydraulic control valve. Use the correct adjustment. Hitch rock shaft is damaged. Install a new shaft. Misadjusted hitch. The hitch must be adjusted.

Hitch drop or lift is jerky: Dirty hydraulic fluid. The fluid must be changed. Hydraulic pump is faulty. Change or repair hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Faulty hydraulic control valve. Install a new valve or repair it. Hydraulic cylinder is defective. Change or repair hydraulic cylinder.

John Deere 2555 Steering System Troubleshooting

Excessive free play of steering wheel: Steering column shaft or coupling is worn out. Change faulty part. Steering pump failure. Repair or replace steering pump. Worn or loose steering linkage joints. Replace or repair steering linkage. Hydrostatic steering unit has wear or malfunction. Change or repair steering unit if required. Steering control unit parts are faulty. Repair power steering control unit.

Stiff steering: Air in steering hydraulic system. Bleed the system of air. Steering filter element is clogged. Clean steering filter element. Steering oil level is low. Fill up steering oil to required level. Hydrostatic steering unit has wear or damage. Check and replace as required. Steering control unit components are faulty. Replace defective components of power steering control unit. Worn steering pump. Check the steering pump and replace if necessary. Pump flow control valve is stuck or worn. Install a new flow control valve or clean it. Worn or incorrectly fitted steering column. Replace the steering column or refit it correctly. Uneven tire pressure. Inflate the tires properly. Not adjusted toe-in. Check and adjust toe-in. Steering cylinder is leaking. Change damaged piston rod or worn piston seals.

Tractor is pulling to left or right: Steering control unit components are faulty. Replace defective parts of power steering control unit. Hydrostatic steering unit has malfunction or wear. Replace or repair steering unit as required. Faulty steering cylinder. Repair or change hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Steering linkage components are loose or worn. Check and replace as required. Improperly adjusted or defective front wheel bearings. Adjust properly or replace bearings. Uneven tire pressure. Inflate the tires properly.

John Deere 2555 Electrical System Troubleshooting

Battery cannot be charged: Corroded or loose electrical wire connections. Clean or tighten wiring connections. Battery terminal clamps are faulty. Terminal clamps should be changed. Dead cell in battery. Battery change required. Loose or defective belt. Adjust belt tension or replace belt.

Starter motor cranks slow: Battery voltage is low. Low battery charging, charge as required. Battery is not holding charge. Service battery or change it. Battery terminals are corroded or wires are disconnected. Connect wires properly or change terminals.

Starter motor is not working: Battery is discharged or worn. Replace or charge as required. Wire harness is disconnected or incorrectly connected. Check wire harness and connect as required. Low battery voltage. Low battery charging, charge as required. Starter motor is damaged. Starter needs to be replaced.

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R