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New Holland TM175 Troubleshooting

New Holland TM175 Engine Troubleshooting

Engine hard to start or doesn't start: Fuel filter plugging. Clean or replace the filter. Air in the fuel pipes. Bleed the fuel pipes. Damaged or dirty injection nozzles. Change fuel injection nozzles. Damaged fuel injection pump. Change or repair the pump.

Engine stops unexpectedly during operation: Wrong setting of fuel injection pump timing. Set it up as required. Dirty fuel filter. Change the filter element. Engine not warmed up. Warm up engine as required.

Engine starts but stalls suddenly: Fuel filter plugged. Filter maintenance required. Fuel injection pump is not working correctly. Rebuild or replace pump. Clogged air filter element. Service air cleaner.

Engine overheated: Clogged radiator core or leaking radiator cap. Install new cap or clean radiator. Lack of coolant in cooling system. Refill to the correct level and inspect system for leaks. Damaged or worn fan belt. Change the fan belt. Insufficient engine oil. Add oil to the engine crankcase.

Reduced engine power: Defective or clogged injection nozzle. Check and replace nozzles if required. Fuel hoses or lines clogging. Clean fuel lines and hoses. Air filter element clogged. Change air filter element. Cylinder head gasket is defective. Gasket should be replaced.

Engine knocking sound or abnormal noise: Engine is not preheated. Warm up engine as required. Engine oil level is insufficient. Fill the crankcase with engine oil. Improper setting of fuel injection pump timing. Set up as recommended. Pistons are scored or worn. Install new pistons. Connecting rod is defective or misaligned. Align or replace connecting rod.

Engine stalls when idling: Low idle speed adjustment is incorrect. Correct low idle adjustment. Valve clearance is not correct. Adjust to proper valve clearance. Fuel injection pump is faulty. Rebuild or install a new injection pump.

Oil pressure too low: Insufficient engine oil. Need to add oil. Oil pump failure. Check and replace if necessary. Plugged engine oil filter. Clean or change engine oil filter.

New Holland TM175 Transmission Troubleshooting

Transmission makes noise: Improper backlash or worn gears. Replace defective gears or set backlash properly. Worn or bent shift forks. Replace defective shift forks. Worn or damaged shaft splines. Replace the shaft. Transmission fluid insufficient. Fill the transmission housing to proper fluid level. Worn or broken bearings. Bearings need to be replaced. Transmission fluid is contaminated. Fill up with fresh transmission fluid.

Difficult to shift gears: Worn or rusty gear shift linkage. Shift linkage need to be replaced. Clutch is worn or not adjusted. Adjust correctly or replace. Damaged or worn gear shift forks. Change the shift forks. Gearshift mechanism malfunction. Identify and replace failed parts.

Low transmission oil pressure: Transmission oil insufficient. Add oil to the transmission housing. Plugged transmission oil filter (if equipped). Clean or replace the transmission filter. Stuck relief valve. Install a new valve.

Transmission fluid leaking: Worn seals or gaskets. Change defective gaskets or seal. Transmission fluid level is high. Correct the fluid level.

New Holland TM175 Hydraulic System Troubleshooting

Hydraulic system overheats: Wrong hydraulic fluid type. Pour the proper type of fluid. Hydraulic fluid is dirty. Hydraulic fluid change required. Air in hydraulic lines. Bleed hydraulic lines. Main relief valve is faulty. Relief valve replacement required.

Hydraulic oil pressure is insufficient: Insufficient hydraulic fluid. Add fluid as required. Hydraulic oil filter element is clogged. Change the hydraulic filter element or service if required. Leaks in hydraulic lines. Identify leaks in the system and repair it. Not adjusted hydraulic spool valve. Need to adjust spool valve. Damaged hydraulic pump. Change or repair hydraulic fluid pump. Defective hydraulic cylinder. Change or repair hydraulic cylinder.

Hitch does not raise or raises very slowly: Hydraulic pump malfunction. Repair or replace hydraulic oil pump. Main relief valve failure. Relief valve must be changed. Damaged hydraulic control valve. Change or repair hydraulic valve. Hydraulic cylinder malfunction. Repair or replace hydraulic cylinder. Insufficient hydraulic oil. Checking hydraulic oil level and add if necessary. Clogged hydraulic oil filter. Service or replace the hydraulic filter. Heavy load on the hitch. The load should be reduced.

3-point hitch won't lower or lowers slowly: Broken hydraulic cylinder. Repair or replace hydraulic cylinder. Incorrect adjusted hydraulic control valve. Adjust correctly. Worn hitch cross shaft. Replace the shaft. 3-point hitch is out of adjustment. Adjust the 3-point hitch.

Hitch lift or drop is jerky: Hydraulic oil is contaminated. Fill up with fresh hydraulic oil. Hydraulic pump not working. Repair or replace hydraulic fluid pump. Air in hydraulic lines. Bleed hydraulic lines. Damaged hydraulic spool valve. Repair or replace hydraulic valve. Hydraulic cylinder malfunction. Repair or change hydraulic cylinder.

New Holland TM175 Steering Troubleshooting

Steering wheel has too much free-play: Worn steering column coupling or shaft. Change defective component. Steering pump failure. Repair or change steering pump. Steering linkage components are loose or worn. Repair or replace steering linkage. Steering control unit has malfunction or wear. Repair or change the steering control unit.

Steering wheel is hard to turn: Air lock in the steering system. Need to bleed air. Steering filter element is clogged. Change steering filter element. Steering oil level is low. Fill up steering oil to required level. Steering control unit is damaged or worn. Replace or repair steering control unit as required. Steering pump not working. Steering pump needs to be replaced or repaired. Faulty or stuck pump flow control valve. Replace or service control valve. Defective or incorrectly mounted steering column. Change steering column or mount correctly. Front tires are worn unevenly. Install new tires. Incorrect toe-in. Adjust toe-in wheels. Steering cylinder is leaking. Replace scratched piston rod or worn cylinder seals.

Tractor pulls to right or left: Steering control unit is defective or worn. Replace or repair steering control unit as required. Steering cylinder is damaged. Repair or replace steering cylinder. Incorrect toe-in. Adjust toe-in wheels. Steering linkage components are loose or worn. Inspect and change as required. Front wheel bearings are worn or incorrectly adjusted. Adjust properly or change bearings. Tire pressure uneven. Inflate the tires correctly.

New Holland TM175 Electrical System Troubleshooting

Battery does not charge: Electrical cable connections are corroded or loose. Clean or tighten wiring connections. Defective battery terminal clamps. Replace terminal clamps. Worn-out battery. Replace the battery. Belt is defective or loose. Adjust belt tension or change the belt.

Starter cranks slow: Battery power is low. Recharge the battery. Battery does not hold charge. Service charging system or change battery. Disconnected wires or corroded battery terminals. Connect wiring properly or install new terminals.

Starter is not working: Battery is drained or defective. Recharge or replace battery. Wiring harness is disconnected or improperly connected. Check wiring harness and connect as required. Low battery output voltage. Battery is drained, recharge it. Starter motor failing. Starter should be changed.