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John Deere 3155 Troubleshooting

John Deere 3155 Diesel Engine Troubleshooting

Diesel hard to start or doesn't start: Clogged fuel filter. Install new filter element. Air in the fuel system. Air bleeding. Fuel injection nozzles are faulty or clogged. Replace injection nozzles. Fuel injection pump is faulty. Repair or replace injection pump.

Engine stalls during operation: Incorrect adjustment of fuel injection pump timing. Set it up as required. Fuel filter element is dirty. Clean or replace the filter. Engine is cold. Normalize the temperature by warming up the engine.

Diesel starts and stops: Dirty fuel filter. Clean or change the filter. Defective fuel injection pump. Replace or rebuild injection pump. Dirty air filter element. Clean or replace the element.

Engine overheating: Clogged radiator core or damaged radiator cap. Install new cap or clean radiator. Not enough coolant. Refill to the correct level and inspect system for leaks. Fan belt is worn or faulty. Fan belt must be replaced. Engine oil level is insufficient. Check oil level and add oil as required.

Reduced engine power: Fuel injection nozzles are faulty or clogged. Install a new kit of correctly balanced nozzles. Dirty fuel lines or hoses. Fuel hoses and lines must be clean. Air filter is dirty. Service air cleaner. Cylinder-head gasket is broken. Gasket should be replaced.

Engine knocks or noises: Coolant temperature is low. Warm up to required temperature. Insufficient engine oil. Fill up the oil to required level. Wrong setting of fuel injection pump timing. Adjust as recommended. Pistons are worn or scored. Install new pistons. Connecting rod is not aligned or worn. Connecting rod must be aligned or replaced.

Engine stops at idle: Low idle speed setting is incorrect. Correct low idle adjustment. The valve clearance is not adjusted. Adjust valve clearance according to specifications. Fuel injection pump malfunction. Install a new fuel pump or repair.

Low oil pressure: Not enough oil in the engine. Fill the crankcase with oil. Oil pump is defective. Remove and inspect oil pump. Oil filter clogged. Service or replace engine oil filter.

John Deere 3155 Transmission Troubleshooting

Transmission is making noise: Gears are defective or backlash is improper. Change the gears or set backlash properly. Damaged or worn gear shift forks. Change defective shift forks. Shaft splines are worn or damaged. Replace the shaft. Transmission fluid insufficient. Add fluid to the transmission housing. Worn or cracked bearings. Install new bearings. Transmission fluid is dirty. Fill up with fresh transmission fluid.

Hard shifts: Rusty or worn gear shift linkage. Install a new gear shift linkage. Improperly adjusted or worn clutch. Change or adjust clutch. Worn or bent gear shift forks. Replace the shift forks. Gearshift mechanism is damaged. Replace or repair the mechanism.

Insufficient transmission oil pressure: Low fluid level. Add fluid to the transmission housing. Dirty transmission fluid filter (if fitted). Service or replace the transmission fluid filter. Relief valve is stuck. Replace valve as required.

Transmission oil leaking: Damaged seals or gaskets. Replace worn seal or gaskets. Transmission oil level is high. Correct the oil volume.

John Deere 3155 Hydraulics Troubleshooting

Hydraulic system overheats: Incorrect type of hydraulic oil. The correct type of oil must be used. Dirty hydraulic fluid. The fluid must be changed. Air trapped in hydraulic system. Bleed air from system. Main relief valve is faulty. Replace relief valve.

Insufficient hydraulic fluid pressure: Low hydraulic oil level. Fill the system to proper hydraulic oil level. Dirty hydraulic fluid filter element. Clean or replace the hydraulic filter. Hydraulic piping is leaking. Check the hydraulic system and fix leaks. Not adjusted hydraulic spool valve. Need to adjust spool valve. Hydraulic pump failure. Repair or replace hydraulic fluid pump. Hydraulic cylinder failure. Repair or replace hydraulic cylinder.

3-point hitch won't lift or lifts slowly: Hydraulic pump is defective. Install a new hydraulic fluid pump. Main relief valve malfunctioning. Relief valve need to be replaced. Hydraulic spool valve block is defective. Repair or replace hydraulic valve. Hydraulic cylinder malfunction. Install a new hydraulic cylinder or repair it. Low hydraulic fluid level. Checking hydraulic fluid level and add if necessary. Dirty hydraulic fluid filter element. Clean or change hydraulic filter. Excessive load on hitch. Load needs to be reduced.

Hitch fails to drop or drops slowly: Hydraulic cylinder not working. Repair or replace hydraulic cylinder. Incorrect adjusted hydraulic control valve. Adjust correctly. Damaged lift arm shaft. Install a new shaft. Three-point hitch has not been adjusted. Adjust as required.

Hitch lift or drop is not smoothly: Hydraulic oil is dirty. Hydraulic oil change required. Hydraulic pump failure. Install a new hydraulic fluid pump. Air trapped in hydraulic system. Bleed air from system. Defective hydraulic control valve block. Change or repair hydraulic valve. Hydraulic cylinder is faulty. Repair or replace hydraulic cylinder.

John Deere 3155 Steering System Troubleshooting

Excessive free play of steering wheel: Worn steering column shaft or coupling. Change defective part. Faulty steering pump. Repair or change steering pump. Steering linkage assembly is worn or loose. Inspect and replace as required. Hydrostatic steering unit has damage or wear. Repair or change the steering unit.

Stiff steering: Air in steering system. Air-bleed steering system. Steering filter element is clogged. Service steering filter. Lack of steering fluid. Need to add steering oil. Hydrostatic steering unit is damaged or worn. Replace or repair steering unit as required. Damaged hydraulic steering pump. Install a new steering pump. Damaged or stuck steering pump control valve. Flush or change flow control valve. Improperly assembled or defective steering column. Reassemble or change the steering column. Uneven tire pressure. Inflate the tires properly. Incorrect toe-in. Check and adjust toe-in. Steering cylinder leaks. Change worn piston rod or damaged cylinder seals.

Front wheels wander to left or right: Hydrostatic steering unit has damage or wear. Change or repair steering unit if required. Defective steering cylinder. Change or repair steering cylinder. Not adjusted toe-in. Adjust toe-in wheels. Loose or worn steering linkage components. Inspect and change as required. Front wheel bearings are worn or incorrectly adjusted. Change or adjust the bearings properly. Front tyres are worn unevenly. Install new tyres.

John Deere 3155 Electrical Troubleshooting

Battery will not charge: Electrical cable connections are loose or corroded. Tighten or service connections. Defective electrical terminal connectors. Replace terminal connectors. Battery is defective. Install a new battery. Defective or loose belt. Replace belt or adjust belt tension.

Starter turning slow: Battery power is low. Battery is drained, charge it. Battery is draining quickly. Service or replace the battery. Faulty battery terminals or disconnected cables. Connect cables properly or replace terminals.

Starter is not cranking: Battery is drained or worn. Replace or charge as required. Battery wiring is disconnected or improperly connected. Inspect wiring and connect as required. Low battery output voltage. Charge the battery. Defective starter motor. Repair or change 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