________________________________________________________________________________

John Deere 5603 Troubleshooting

John Deere 5603 Engine Troubleshooting

Engine difficult to start or won't start: Fuel filter element is clogged. Replace the filter element. Air in fuel system. Bleed fuel system. Faulty or dirty injection nozzles. Check and replace nozzles if required. Damaged fuel injection pump. Replace or repair injection pump.

Diesel shuts off while driving: Wrong setting of fuel injection pump timing. Adjust fuel injection pump as required. Dirty fuel filter. Change the filter element. Engine is cold. Normalize the temperature by warming up the engine.

Engine starts but stops suddenly: Fuel filter element is clogged. Clean the filter element. Fuel injection pump failure. Replace or rebuild injection pump. Restricted intake air. Air filter maintenance required.

Engine overheating: Radiator core is dirty or radiator cap is damaged. Install new cap or clean radiator. Low engine coolant. Fill radiator to proper level and check components for faults. Fan belt slipping or worn. Change as required. Engine oil level is insufficient. Add oil to the engine crankcase.

Lack of engine power: Damaged or dirty injection nozzles. If necessary, replace with a new nozzle. Dirty fuel hoses or lines. Fuel hoses and lines must be clean. Clogged air filter. Change air filter element. Damaged cylinder-head gasket. Install a new gasket.

Abnormal engine knocking or noise: Engine is not fully warmed up. Warm up engine as required. Engine oil insufficient. Checking oil level and add if necessary. Fuel injection pump timing is wrong. Use the correct fuel injection pump timing adjustment. Pistons are broken or worn. Pistons need to be replaced. Misaligned or defective connecting rod. Need to replace or align the connecting rod.

Engine stops at low idle speed: Wrong adjustment of low idle speed. Adjust as required. Valve clearance is out of adjustment. Check and adjust. Defective fuel injection pump. Replace or repair injection pump.

Low oil pressure: Insufficient engine oil. Check oil level and add oil as required. Oil pump is defective. Remove and inspect oil pump. Clogged oil filter element. Replace or clean engine oil filter element.

John Deere 5603 Transmission Troubleshooting

Transmission makes noise: Incorrect backlash or gears are worn. Adjust backlash correctly or replace the gears. Worn or bent shift forks. Shift forks need to be changed. Worn or stuck shaft splines. Install a new shaft. Low fluid level. Add fluid to the transmission housing. Worn or damaged bearings. Replace the bearings. Transmission oil is contaminated. Fill up with fresh transmission oil.

Gear shift is hard: Worn or rusty gear shift linkage. Lubricate or replace shift linkage. Clutch is worn or not adjusted. Clutch needs to be adjusted or changed. Worn or bent shift forks. Change the shift forks. Defective parts in the gearshift mechanism. Replace defective parts.

Transmission oil pressure is low: Transmission oil level is low. Fill up the transmission oil. Plugged transmission oil filter (if equipped). Service or change transmission oil filter. Relief valve malfunction. Replace valve as required.

Transmission oil leaking: Damaged seals or gaskets. Seals and gaskets need to be replaced. Transmission fluid level is exceeded. Excess fluid must be drained.

John Deere 5603 Hydraulics Troubleshooting

Hydraulic system overheats: Improper hydraulic fluid type. Use the proper type of hydraulic fluid. Hydraulic fluid contamination. Change hydraulic fluid. Air in hydraulic lines. Bleed hydraulic lines. Main relief valve is defective. Relief valve need to be replaced.

Low hydraulic fluid pressure: Hydraulic oil is insufficient. Check and refill the hydraulic oil. Clogged hydraulic fluid filter. Clean the hydraulic filter or install new filter element. Leaking hydraulic lines. Find leaks in the system and fix it. Hydraulic spool valve block is not adjusted properly. The spool valve should be properly adjusted. Hydraulic pump failure. Replace or repair hydraulic oil pump. Hydraulic cylinder is faulty. Install a new hydraulic cylinder or repair it.

3-point hitch can't lift or lifts too slowly: Damaged hydraulic pump. Change or repair hydraulic fluid pump. Defective main relief valve. Change relief valve. Defective hydraulic spool valve block. Install a new hydraulic valve or repair it. Hydraulic cylinder is defective. Install a new hydraulic cylinder or repair it. Low hydraulic fluid level. Checking hydraulic fluid level and add if necessary. Hydraulic oil filter is clogged. Service or replace the hydraulic filter. Hitch is under excessive load. Load needs to be reduced.

3-point hitch won't lower or lowers slowly: Faulty hydraulic cylinder. Repair or change hydraulic cylinder. Not adjusted hydraulic spool valve. Need to adjust spool valve. Hitch cross shaft is damaged. Replace the shaft. Three-point hitch has not been adjusted. The 3-point hitch must be adjusted.

Hitch drop or lift is jerky: Hydraulic fluid is dirty. Hydraulic fluid change required. Hydraulic pump is faulty. Install a new hydraulic oil pump. Air in hydraulic pipes. Bleed hydraulic pipes. Defective hydraulic control valve block. Install a new valve or repair it. Damaged hydraulic cylinder. Install a new hydraulic cylinder or repair it.

John Deere 5603 Steering System Troubleshooting

Excessive steering wheel play: Steering column coupling or shaft is worn. Change faulty component. Faulty steering pump. Repair or change steering pump. Loose or worn steering linkage parts. Check and change as required. Hydrostatic steering control valve has malfunction or wear. Repair or change the steering valve.

Difficult steering: Air trapped inside steering system. Bleed air. Steering filter is clogged. Replace steering filter element. Steering oil level low. Add oil to steering system. Hydrostatic steering control valve has damage or wear. Repair or replace the steering control valve. Hydraulic steering pump is defective. Steering pump needs to be repaired or replaced. Stuck or worn pump flow control valve. Replace or service control valve. Damaged or incorrectly assembled steering column. Replace steering column or assemble correctly. Front tires are worn unevenly. Install new tires. Improper toe-in. Adjust toe-in properly. Steering cylinder leakage. Damaged cylinder seals or worn piston rod.

Tractor is pulling to left or right: Hydrostatic steering control valve has damage or wear. Repair or replace the steering control valve. Steering cylinder failure. Replace or repair steering cylinder. Not adjusted toe-in. Adjust toe-in properly. Loose or worn steering linkage components. Check and replace as required. Incorrectly adjusted or worn front wheel bearings. Change or adjust bearings correctly. Uneven wear on front tires. Replace the tires.

John Deere 5603 Electrical Troubleshooting

Battery cannot be charged: Wiring connections are corroded or loose. Tighten or service connections. Electrical terminal connectors are defective. Install new terminal connectors. Defective battery. Use a new battery. Loose or damaged belt. Replace belt or adjust belt tension.

Starter turning slow: Low battery output. Battery is drained, charge it. Battery will not hold charge. Service charging system or change battery. Faulty battery terminals or disconnected cables. Connect cables properly or replace terminals.

Starter motor won't turn: Battery is drained or worn. Recharge or replace battery. Battery wires are disconnected or incorrectly connected. Check wires and connect correctly. Low battery voltage. Low battery charging, charge as required. Damaged starter motor. Replace or repair starter.

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