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New Holland TL80 Troubleshooting

New Holland TL80 Engine Troubleshooting

Engine difficult to start or doesn't start: Fuel filter plugging. Clean the filter element. Air in fuel system. Bleed fuel system. Faulty or dirty injection nozzles. Clean or replace injection nozzles. Fuel injection pump is damaged. Replacement or repair required.

Engine shuts off suddenly during operation: Wrong setting of fuel injection pump timing. Adjust according to specifications. Clogged fuel filter. Replace the filter element. Low coolant temperature. Warm up the engine.

Engine stalls after starting: Fuel filter plugged. Service the filter. Fuel injection pump is damaged. Rebuild or install a new injection pump. Air filter element clogged. Install new air filter element.

Engine overheats: Clogged radiator core or damaged radiator cap. Change cap or clean radiator. Lack of coolant in cooling system. Add coolant and check the components of cooling system. Excessive wear of the fan belt. Fan belt must be replaced. Low engine oil level. Fill up the oil to required level.

Diesel engine loses power: Clogged injection nozzle. Change fuel injection nozzles. Clogged fuel hoses or lines. Clean fuel hoses and lines. Dirty air cleaner. Air filter maintenance required. Cylinder head gasket defective. Change cylinder head gasket.

Engine knocking sound or abnormal noise: Low coolant temperature. Warm up to required temperature. Engine oil level is insufficient. Check and refill engine oil. Timing of fuel injection pump is incorrect. Adjust according to specifications. Broken or worn pistons. Pistons replacement required. Connecting rod is misaligned or defective. Alignment procedure or replacement is required.

Engine stops while idle: Incorrect low idle setting. Adjust low idle speed. Incorrect valve clearance. Need to adjust valve clearance. Fuel injection pump failure. Change pump or rebuild it.

Low oil pressure: Lack of oil. Need to add oil. Oil pump is defective. Install a new pump. Plugged engine oil filter. Replace or service engine oil filter.

New Holland TL80 Transmission Troubleshooting

Transmission noises: Defective gears or improper backlash. Adjust backlash properly or replace the gears. Worn or damaged gear shift forks. Change defective shift forks. Worn or stuck shaft splines. Replace the shaft. Lack of transmission fluid. Check and refill the transmission fluid. Bearings are cracked or worn. Replace the bearings. Transmission fluid is contaminated. Change the fluid.

Hard to shift gears: Gear shift linkage is corroded or worn. Lubricate or replace shift linkage. Worn or improperly adjusted clutch. Adjust correctly or replace. Damaged or worn gear shift forks. Change defective shift forks. Worn parts of the gear shifting mechanism. Change worn parts.

Low transmission fluid pressure: Transmission fluid level is low. Checking transmission fluid level and add if necessary. Transmission fluid filter element clogging (if equipped). Replace or service transmission fluid filter. Relief valve malfunction. Replace valve as required.

Transmission fluid leakage: Seals or gaskets are worn. Install new components. Too much oil in transmission. Drain the excess oil.

New Holland TL80 Hydraulics Troubleshooting

Hydraulic system overheated: Incorrect type of hydraulic fluid. Use the correct type of fluid. Hydraulic oil is dirty. Hydraulic oil change required. There is air in the hydraulic system. Bleed hydraulic system. Damaged main relief valve. Change relief valve.

Hydraulic oil pressure is insufficient: Hydraulic oil is insufficient. Need to add oil. Hydraulic oil filter is clogged. Install a new hydraulic filter element. Leaking hydraulic lines. Identify leaks in the system and repair it. Incorrect setting hydraulic spool valve. Use the correct setting. Hydraulic pump malfunction. Install a new hydraulic fluid pump. Hydraulic cylinder is defective. Change or repair hydraulic cylinder.

Hitch can't lift or lifts too slowly: Hydraulic pump is faulty. Repair or replace hydraulic oil pump. Main relief valve is faulty. Relief valve need to be replaced. Defective hydraulic control valve. Install a new hydraulic valve or repair it. Hydraulic cylinder not working. Repair or install a new hydraulic cylinder. Hydraulic oil is insufficient. Check and refill the hydraulic oil. Dirty hydraulic fluid filter. Replace hydraulic filter element or service if necessary. Excessive load on hitch. The load should be reduced.

Hitch won't drop or drops slowly: Broken hydraulic cylinder. Repair or replace hydraulic cylinder. Incorrect setting hydraulic spool valve. Use the correct setting. Hitch cross shaft is damaged. Change the shaft. The hitch has not been adjusted. Adjust 3-point hitch as required.

Hitch lifting or lowering is jerky: Hydraulic oil is dirty. Hydraulic oil change required. Hydraulic pump malfunction. Change or repair hydraulic oil pump. Air in hydraulic system. Bleed air from hydraulic system. Hydraulic control valve is faulty. Install a new hydraulic valve or repair it. Hydraulic cylinder is defective. Repair or install a new hydraulic cylinder.

New Holland TL80 Steering System Troubleshooting

Excessive free play of steering wheel: Steering column shaft or coupling is worn out. Change faulty component. Steering pump stopped working. Check the steering pump and replace if necessary. Steering linkage parts are loose or worn. Repair or replace steering linkage. Worn or damaged steering control unit. Repair or replace the steering unit.

Stiff steering: Air lock in hydraulic steering system. Bleed air. Steering filter is plugged. Change steering filter element. Low steering oil level. Fill up the steering oil. Steering control unit has wear or damage. Replace or repair steering unit as required. Steering pump malfunction. Steering pump needs to be repaired or replaced. Steering pump control valve is stuck or faulty. Replace or clean flow control valve. Improperly fitted or damaged steering column. Refit or change the steering column. Front tires wear unevenly. Change the tires. Not adjusted toe-in. Check and adjust toe-in. Steering cylinder leakage. Change damaged piston rod or worn piston seals.

Tractor is pulling to right or left: Defective or worn steering control unit. Change or repair steering unit if required. Faulty steering cylinder. Replace or repair steering cylinder. Incorrect toe-in. Check toe-in and correct. Loose or worn steering linkage parts. Replace or repair steering linkage. Incorrectly adjusted or worn front wheel bearings. Adjust correctly or change bearings. Front tyres wear unevenly. Change the tyres.

New Holland TL80 Electrical System Troubleshooting

Battery does not charge: Wiring connections are corroded or loose. Tighten or clean connections. Defective battery terminal clamps. Change terminal clamps. Faulty cell in battery. Change the battery. Worn or loose belt. Adjust belt tension or change the belt.

Starter cranks slowly: Low battery output. Battery is drained, recharge it. Battery is not holding charge. Battery needs to be serviced or replaced. Wires are disconnected or battery terminals are corroded. Connect wires correctly or change terminals.

Starter will not crank: Battery is drained or worn. Recharge or change battery. Battery wiring is disconnected or improperly connected. Inspect wiring and connect as required. Low battery power. Battery is drained, recharge it. Starter motor is defective. Change or repair starter.