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New Holland TM140 Troubleshooting

New Holland TM140 Engine Troubleshooting

Diesel engine hard to start or doesn't start: Fuel filter element clogging. Clean or replace the filter. Air in fuel system. Bleed fuel system. Damaged or dirty injection nozzles. Check injection nozzles and replace if required. Defective fuel injection pump. Rebuild or install a new injection pump.

Engine shuts off suddenly while running: Fuel injection pump timing is wrong. Adjust according to specifications. Fuel filter element is clogged. Change filter element. Engine not warmed up. Engine is not warmed up to the required temperature.

Diesel starts but stalls suddenly: Fuel filter plugged. Replace the filter element. Faulty fuel injection pump. Install a new pump or rebuild. Restricted intake air. Change air filter element.

Engine is overheated: Defective radiator cap or clogged radiator fins. Replace cap or clean radiator. Low coolant level. Add coolant fluid to cooling system and also check it for leaks. Excessive wear of the fan belt. Belt change is required. Insufficient engine oil. Need to add engine oil.

Engine power is too low: Defective or clogged injection nozzle. Clean or change injection nozzles. Restricted fuel hoses or lines. Fuel hoses and lines must be clean. Air filter is dirty. Replace air filter element. Cylinder head gasket is damaged. Change cylinder head gasket.

Engine noises or knocks: Engine not warmed up. Engine is not warmed up to the required temperature. Engine oil level is insufficient. Add oil to the engine crankcase. Wrong setting of fuel injection pump timing. Adjust according to specifications. Scored or worn pistons. Replace the pistons as required. Connecting rod is misaligned or defective. Need to change or align the connecting rod.

Engine stops when idling: Incorrectly set low idle speed. Adjust low idle speed. The valve clearance is incorrect. Correct valve clearance needs to be set. Fuel injection pump is faulty. Rebuild or change fuel pump.

Oil pressure is insufficient: Engine oil insufficient. Fill up the engine oil. Oil pump is worn or damaged. Install a new pump. Clogged oil filter element. Replace or clean engine oil filter element.

New Holland TM140 Transmission Troubleshooting

Transmission makes noise: Backlash is incorrect or gears are damaged. Adjust backlash properly or replace the gears. Shift forks are worn or bent. Replace the shift forks. Worn or stuck shaft splines. Replace defective shaft. Low fluid level. Fill the transmission housing to proper fluid level. Worn or broken bearings. Change faulty bearings. Transmission fluid is dirty. Change the fluid.

Gears are hard to shift: Gear shift linkage is rusty or worn. Install new shift linkage. Clutch is faulty or misadjusted. Clutch adjustment or replacement required. Damaged or worn gear shift forks. Replace the shift forks. Gearshift mechanism malfunction. Identify and replace failed parts.

Transmission fluid pressure is insufficient: Transmission oil insufficient. Fill up the transmission oil. Dirty transmission fluid filter element (if equipped). Service or replace the transmission fluid filter. Relief valve is stuck. Replace the valve.

Transmission oil leaking: Damaged gaskets or seals. Gaskets or seal need to be replaced. Transmission oil level is exceeded. Correct the oil volume.

New Holland TM140 Hydraulic System Troubleshooting

Hydraulic system overheats: Improper type of hydraulic fluid. The correct type of fluid must be used. Hydraulic fluid is contaminated. Fill up with new hydraulic fluid. Air in hydraulic lines. Bleed hydraulic lines. Faulty main relief valve. Relief valve replacement required.

Hydraulic oil pressure too low: Hydraulic oil is insufficient. Checking hydraulic oil level and add if necessary. Clogged hydraulic fluid filter. Clean or replace the hydraulic filter. Hydraulic piping is leaking. Identify leaks in the system and repair it. Incorrect setting hydraulic control valve block. Set correctly. Defective hydraulic pump. Install a new hydraulic fluid pump. Hydraulic cylinder malfunction. Repair or replace hydraulic cylinder.

3-point hitch fails to lift or lifts slowly: Damaged hydraulic pump. Install a new hydraulic oil pump. Main relief valve is faulty. Relief valve need to be replaced. Defective hydraulic spool valve. Repair or replace hydraulic valve. Faulty hydraulic cylinder. Repair or install a new hydraulic cylinder. Hydraulic fluid level low. Checking hydraulic fluid level and add if necessary. Dirty hydraulic oil filter element. Install a new hydraulic filter element. Excessive hitch loading. Reduce loading.

3-point hitch cannot be lowered or lowering is too slowly: Hydraulic cylinder malfunction. Replace or repair hydraulic cylinder. Hydraulic spool valve block is not adjusted properly. The spool valve should be properly adjusted. Hitch cross shaft is worn. Replace the shaft. Hitch is out of adjustment. Adjust as required.

Hitch jerks when drop or lift: Dirty hydraulic fluid. The fluid must be changed. Faulty hydraulic pump. Repair or replace hydraulic fluid pump. Air in the hydraulic system. Air bleeding. Hydraulic control valve block is damaged. Repair or change hydraulic valve. Hydraulic cylinder is defective. Replace or repair hydraulic cylinder.

New Holland TM140 Steering Troubleshooting

Excessive play in steering: Steering column coupling or shaft has maximum wear. Change defective component. Defective hydraulic steering pump. Repair or change steering pump. Loose or worn steering linkage parts. Inspect and change as required. Hydrostatic steering control unit has damage or wear. Repair or change the steering control unit.

Steering wheel turns hard: Air lock in hydraulic steering system. Bleed the steering system. Steering filter clogging. Install new steering filter element. Steering fluid level is insufficient. Add oil to steering system. Steering control unit is worn or defective. Replace or repair steering control unit as required. Hydraulic steering pump is defective. Replace or repair steering pump. Stuck or faulty steering pump control valve. Service or change control valve. Improperly mounted or worn steering column. Mount the steering column as required or change it. Tire pressure uneven. Inflate the tires correctly. Incorrect toe-in. Adjust toe-in wheels. Steering cylinder leaks. Damaged cylinder seals or worn piston rod.

Tractor is pulling to right or left: Defective or worn steering control unit. Repair or change the steering control unit. Worn steering cylinder. Replace or repair hydraulic steering cylinder. Incorrect toe-in. Check and adjust toe-in. Loose or worn steering linkage parts. Check and replace as required. Improperly adjusted or worn front wheel bearings. Replace the bearings or adjust it properly. Uneven tire pressure. Inflate the tires properly.

New Holland TM140 Electrical System Troubleshooting

Battery cannot be charged: Electrical wire connections are loose or corroded. Tighten or clean electrical wiring connections. Defective electrical terminal connectors. Replace terminal connectors. Faulty cell in battery. Battery replacement required. Belt is loose or defective. Replace belt or adjust belt tension.

Starter turns slow: Low battery output. Low battery charging, charge as required. Battery runs out quickly. Battery needs service or replacement. Terminals are faulty or battery cables are disconnected. Connect wires properly or change terminals.

Starter is not cranking: Battery is drained or worn. Need to charge or replace the battery. Battery cables are disconnected or incorrectly connected. Check cables and connect as needed. Low battery power. Charge the battery. Starter motor is defective. Starter needs to be replaced.