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New Holland TL80A Troubleshooting

New Holland TL80A Engine Troubleshooting

Engine hard to start or won't start: Fuel filter element is dirty. Replace the filter element. Air trapped in fuel system. Bleed air. Dirty or damaged injection nozzles. Replace injection nozzles. Damaged fuel injection pump. Repair or change injection pump.

Engine stalls after running: Fuel injection pump timing is wrong. Set up as recommended. Fuel filter element is clogged. Replace filter element. Low coolant temperature. Warm up to required temperature.

Engine starts and stalls suddenly: Fuel filter element is clogged. Service the filter. Faulty fuel injection pump. Rebuild or replace pump. Clogged air cleaner. Clean or change.

Engine overheats: Clogged radiator fins or damaged radiator cap. Clean radiator or change cap. Low coolant level. Fill the cooling system and check components for leaks or other faults. Broken or loose fan belt. Replace as required. Engine oil insufficient. Checking oil level and add if necessary.

Engine power loss: Faulty fuel injection nozzles. If necessary, replace with a new nozzle. Fuel hoses or lines are dirty. Service fuel hoses and lines. Intake air restriction. Air filter maintenance required. Blown cylinder head gasket. Cylinder-head gasket replacement required.

Engine knocks or noises: Coolant temperature is low. Warm up to required temperature. Engine oil level is insufficient. Check and refill engine oil. Fuel injection pump timing is wrong. Adjust the pump as required. Pistons are worn or broken. Pistons replacement required. Connecting rod is misaligned or defective. Replace or align connecting rod.

Engine stops while idle: Improperly adjusted low idle speed. Adjust low idle speed. The valve clearance is incorrect. Correct valve clearance. Fuel injection pump malfunction. Rebuild or change fuel pump.

Low oil pressure: Insufficient engine oil. Fill the crankcase with oil. Oil pump is defective. Install a new pump. Oil filter is clogged. Replace or service engine oil filter.

New Holland TL80A Transmission Troubleshooting

Transmission is making noise: Backlash is incorrect or gears are damaged. Install new gears and set backlash correctly. Shift forks are worn or bent. Shift forks need to be replaced. Worn or stuck shaft splines. Change the shaft. Transmission oil level is low. Need to add transmission oil. Bearings are damaged or worn. Bearings need to be changed. Transmission oil is dirty. Fill up with fresh transmission oil.

Hard to shift gears: Gear shift linkage is corroded or worn. Install a new gear shift linkage. Malfunction or incorrect clutch adjustment. Clutch replacement or adjustment required. Shift forks are worn or bent. Shift forks need to be replaced. Worn gear shifting mechanism. Repair or change worn components if necessary.

Transmission oil pressure is low: Insufficient transmission fluid. Add fluid to the transmission housing. Transmission oil filter element clogging (if equipped). Clean or change transmission oil filter. Relief valve malfunction. Replace the valve.

External oil leaks: Worn seals or gaskets. Replace worn gaskets or seal. Too much fluid in transmission. Excess fluid must be drained.

New Holland TL80A Hydraulic System Troubleshooting

Hydraulic system overheats: Hydraulic fluid type is wrong. Use correct type of hydraulic fluid. Hydraulic fluid is dirty. Hydraulic fluid change required. There is air in the hydraulic system. Bleed hydraulic system. Main relief valve malfunction. Change relief valve.

Insufficient hydraulic fluid pressure: Insufficient hydraulic fluid. Add fluid as required. Dirty hydraulic fluid filter. Service or replace the hydraulic filter. Leaks in hydraulic pipes. Find leaks in the system and fix it. Not adjusted hydraulic control valve. Need to adjust. Hydraulic pump is faulty. Install a new hydraulic fluid pump. Hydraulic cylinder malfunction. Repair or change hydraulic cylinder.

3-point hitch cannot be raised or raising is too slowly: Hydraulic pump failure. Repair or replace hydraulic fluid pump. Faulty main relief valve. Relief valve need to be replaced. Hydraulic control valve is faulty. Install a new hydraulic valve or repair it. Hydraulic cylinder is defective. Install a new hydraulic cylinder or repair it. Low hydraulic fluid level. Fill up the hydraulic fluid. Clogged hydraulic fluid filter element. Service the hydraulic filter or change if required. Heavy load on the hitch. Load needs to be reduced.

Hitch fails to drop or drops slowly: Hydraulic cylinder is broken. Repair or replace hydraulic cylinder. Incorrect setting hydraulic control valve block. Set correctly. Damaged hitch rock shaft. Replace the shaft. 3-point hitch is out of adjustment. Adjustment is required.

Hitch lift or drop is not smoothly: Dirty hydraulic fluid. The fluid must be changed. Hydraulic pump failure. Replace or repair hydraulic oil pump. There is air in the hydraulic system. Bleed hydraulic system. Hydraulic control valve is faulty. Replace or repair the valve. Hydraulic cylinder is broken. Repair or replace hydraulic cylinder.

New Holland TL80A Steering System Troubleshooting

Excessive free play of steering wheel: Steering column shaft or coupling is worn out. Change defective part. Defective hydraulic steering pump. Check the steering pump and replace if necessary. Worn or loose steering linkage joints. Repair or replace steering linkage. Steering control unit has malfunction or wear. Repair or change the steering unit.

Hard Steering: Air in steering hydraulic system. Bleed the system of air. Clogged steering filter element. Clean or replace the element. Steering fluid level low. Checking steering fluid level and add it if necessary. Steering control unit is defective or worn. Check and replace as required. Steering pump not working. Check the hydraulic steering pump and change if necessary. Stuck or damaged steering pump control valve. Clean or replace control valve. Improperly installed or damaged steering column. Install the steering column as required or replace it. Uneven tire pressure. Inflate the tires properly. Incorrect toe-in. Check toe-in and correct. Steering cylinder is leaking. Replace worn cylinder seals or scratched piston rod.

Tractor pulls to left or right: Steering control unit has wear or malfunction. Inspect and change as required. Steering cylinder malfunction. Replace or repair hydraulic steering cylinder. Incorrect toe-in. Adjust toe-in wheels. Steering linkage assembly is worn or loose. Inspect and change as required. Improperly adjusted or defective front wheel bearings. Change or adjust bearings correctly. Front tyres are worn unevenly. Install new tyres.

New Holland TL80A Electrical Troubleshooting

Battery will not charge: Corroded or loose electrical wire connections. Clean or tighten connections. Electrical terminal connectors are defective. Install new terminal connectors. Battery failing. Replace the battery. Loose or defective belt. Need to adjust belt tension or replace belt.

Starter turns slow: Battery voltage is low. Recharge the battery. Battery runs out quickly. Battery needs service or replacement. Battery cables are disconnected or terminals are faulty. Connect wires correctly or change terminals.

Starter is not working: Battery is low or faulty. Charge or change the battery. Disconnected or incorrectly connected wires. Inspect battery wires and connect correctly. Battery capacity is low. Low battery charging, charge as required. Damaged starter motor. Starter should be changed.