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New Holland TB100 Troubleshooting

New Holland TB100 Diesel Engine Troubleshooting

Engine starts up hard or will not start: Fuel filter plugged. Replace filter element. There is air in the fuel system. Bleed the system. Clogged or burnt injection nozzle. Install a new kit of correctly balanced nozzles. Fuel injection pump malfunction. Replacement or repair required.

Engine shuts off suddenly during operation: Fuel injection pump timing is not adjusted. Set up as recommended. Fuel filter plugging. Service the filter. Engine is not warmed up to the required temperature. Engine is not warmed up to the required temperature.

Engine starts and stops suddenly: Fuel filter plugging. Clean the filter or install new filter element. Damaged fuel injection pump. Repair or install a new fuel pump. Clogged air cleaner. Clean or change the filter.

Engine overheating: Dirty radiator fins or defective radiator cap. Clean radiator or change cap. Coolant level is low. Fill radiator to proper level and check components for faults. Loose or defective fan belt. Change as required. Low engine oil level. Add oil to the engine crankcase.

Poor engine power: Dirty or faulty injection nozzles. Replace injection nozzles. Restricted fuel hoses or lines. Service fuel hoses and lines. Air filter is clogged. Clean air cleaner element. Cylinder head gasket defective. Gasket should be replaced.

Engine knocks or noises: Engine is cold. Warm up the engine. Lack of engine oil. Check oil level and add oil as required. Improper setting of fuel injection pump timing. Set up as recommended. Broken or worn pistons. Replace the pistons. Misaligned or defective connecting rod. Connecting rod must be aligned or replaced.

Engine stops at idle: Low idle speed adjustment is incorrect. Adjust the low idle speed. Improper valve clearance. Have it adjusted. Fuel injection pump damage. Repair or install a new fuel pump.

Oil pressure is insufficient: Engine oil insufficient. Fill the crankcase with oil. Oil pump failure. Check and replace if necessary. Clogged oil filter element. Change or service engine oil filter.

New Holland TB100 Transmission Troubleshooting

Transmission is excessively noisy: Improper backlash or worn gears. Install new gears and adjust backlash properly. Worn or damaged gear shift forks. Shift forks need to be replaced. Shaft splines are damaged or worn. Replace defective shaft. Low oil level. Need to add transmission oil. Worn or cracked bearings. Replace faulty bearings. Transmission fluid contamination. Transmission fluid change required.

Gear shift is hard: Rusty or worn gear shift linkage. Change or lubricate shift linkage. Clutch is faulty or misadjusted. Clutch needs to be adjusted or changed. Worn or bent gear shift forks. Replace the shift forks. Worn gear shifting mechanism. Repair or change worn components if necessary.

Transmission oil pressure is low: Transmission fluid insufficient. Need to add transmission fluid. Transmission fluid filter element is clogged (if equipped). Replace or service transmission fluid filter. Relief valve failure. Install a new relief valve.

External fluid leaks: Seals or gaskets are broken. Install new seal or gaskets. Too much oil in transmission. Drain the excess oil.

New Holland TB100 Hydraulics Troubleshooting

Hydraulics overheating: Hydraulic oil type is incorrect. Pour the correct type of oil. Contaminated hydraulic oil. Change hydraulic oil. Air in the hydraulic system. Air bleeding. Main relief valve malfunctioning. Install a new relief valve.

Hydraulic fluid pressure is low: Low hydraulic fluid level. Add fluid as required. Clogged hydraulic fluid filter element. Service or replace the hydraulic filter. Leaks in hydraulic lines. Find leaks in the system and fix it. Hydraulic spool valve is out of adjustment. Spool valve adjustment required. Hydraulic pump failure. Install a new hydraulic fluid pump. Defective hydraulic cylinder. Install a new hydraulic cylinder or repair it.

Hitch won't raise or raises slowly: Hydraulic pump failure. Replace or repair hydraulic oil pump. Faulty main relief valve. Change relief valve. Hydraulic control valve block is defective. Repair or change the valve. Hydraulic cylinder not working. Replace or repair hydraulic cylinder. Insufficient hydraulic oil. Fill the system to proper hydraulic oil level. Hydraulic fluid filter element is clogged. Change hydraulic filter element or clean if necessary. Excessive hitch loading. Reduce loading.

3-point hitch won't lower or lowers slowly: Hydraulic cylinder not working. Repair or install a new hydraulic cylinder. Incorrect setting hydraulic spool valve. Use the correct setting. Worn hitch rock shaft. Change the shaft. Unadjusted hitch. Need to make adjustments.

Hitch jerks when drop or lift: Dirty hydraulic oil. The oil must be changed. Hydraulic pump is defective. Install a new hydraulic fluid pump. Air in the hydraulic system. Air bleeding. Defective hydraulic control valve block. Replace or repair the valve. Damaged hydraulic cylinder. Replace or repair hydraulic cylinder.

New Holland TB100 Steering System Troubleshooting

Excessive steering wheel play: Steering column shaft or coupling has maximum wear. Change defective part. Steering pump failure. Check the steering pump and replace if necessary. Worn or loose steering linkage assembly. Inspect and replace as required. Power steering control valve has wear or damage. Change or repair control valve if required.

Steering is difficult: Air in the hydraulic steering system. Bleed air. Dirty steering filter. Clean or change steering filter. Steering oil level low. Add oil to steering system. Power steering control valve has damage or wear. Check and replace as required. Worn steering pump. Install a new hydraulic steering pump. Steering pump control valve is faulty or stuck. Service or replace flow control valve. Improperly assembled or defective steering column. Reassemble or change the steering column. Uneven wear on front tires. Replace the tires. Improper toe-in. Adjust toe-in properly. Steering cylinder leakage. Damaged cylinder seals or worn piston rod.

Tractor is pulling to right or left: Power steering control valve has wear or damage. Check and replace as required. Worn steering cylinder. Replace or repair hydraulic steering cylinder. Incorrect toe-in. Adjust toe-in wheels. Loose or worn steering linkage components. Change or repair steering linkage. Incorrectly adjusted or worn front wheel bearings. Adjust correctly or change bearings. Front tires are worn unevenly. Install new tires.

New Holland TB100 Electrical Troubleshooting

Battery won’t charge: Corroded or loose electrical wire connections. Clean or tighten connections. Faulty electrical terminal connectors. Install new terminal connectors. Battery failing. Install a new battery. Loose or defective belt. Replace belt or adjust belt tension.

Starter turns slow: Low battery voltage. Battery needs to be recharged. Battery is not holding charge. Service battery or change it. Battery cables are disconnected or terminals are faulty. Check cable connections and replace or service terminals.

Starter doesn't crank: Battery is low or faulty. Recharge or change battery. Wire harness is disconnected or incorrectly connected. Check wire harness and connect as required. Low battery output voltage. Battery is drained, charge it. Starter motor failure. Starter should be replaced.