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New Holland T6.165 Troubleshooting

New Holland T6.165 Engine Troubleshooting

Diesel engine hard to start or doesn't start: Fuel filter plugged. Change filter element. Air in the fuel pipes. Bleed the fuel pipes. Dirty or faulty injection nozzles. Test injection nozzles and change if necessary. Fuel injection pump is faulty. Change or repair the pump.

Engine stalls during operation: Wrong setting of fuel injection pump timing. Set up as recommended. Fuel filter plugged. Install new filter element. Engine is cold. Warm up to required temperature.

Engine starts and then shuts off: Dirty fuel filter. Clean or replace the filter. Fuel injection pump is not operating properly. Repair or change injection pump. Air filter clogged. Replace air filter element.

Engine overheating: Radiator fins are clogged or radiator cap is faulty. Clean radiator or change cap. Insufficient coolant. Top up coolant fluid and check system for leaks. Loose or damaged fan belt. Fan belt must be replaced. Lack of engine oil. Fill up the oil to required level.

Engine is not running at maximum power: Fuel injection nozzles are faulty or clogged. Install a new kit of correctly balanced nozzles. Fuel lines or hoses clogging. Clean fuel system lines and hoses. Plugged air filter. Clean or change. Cylinder head gasket is blown. Cylinder-head gasket replacement required.

Engine noises or knocks: Engine not warmed up. Warm up engine as required. Not enough engine oil. Fill the crankcase with engine oil. Fuel injection pump timing is not adjusted. Set up as recommended. Broken or worn pistons. Install new pistons. Connecting rod is not aligned or defective. Connecting rod must be aligned or replaced.

Engine stalling at idle: Too low idle RPM. Normalize low idle speed. The valve clearance is incorrect. Adjust to proper valve clearance. Fuel injection pump is not working correctly. Replace injection pump or repair it.

Oil pressure is insufficient: Oil level is low. Fill crankcase to proper oil level. Oil pump is defective. Inspect and change as required. Oil filter clogged. Service or change engine oil filter element.

New Holland T6.165 Transmission Troubleshooting

Transmission noises: Gears are damaged or backlash is incorrect. Replace defective gears or set backlash properly. Worn or bent shift forks. Install new shift forks. Shaft splines are worn or damaged. Shaft need to be changed. Low oil level. Need to add transmission oil. Bearings are cracked or worn. Bearings replacement required. Transmission oil contamination. Fill up with fresh transmission oil.

Difficulty shifting gears: Stuck or worn gear shift linkage. Replace or lubricate the shift linkage. Improperly adjusted or worn clutch. Clutch adjustment or replacement required. Worn or damaged gear shift forks. Replace the shift forks. Worn parts of the gear shifting mechanism. Change worn parts.

Transmission oil pressure is low: Transmission fluid level is low. Need to add transmission fluid. Dirty transmission fluid filter (if fitted). Service or change transmission fluid filter. Relief valve failure. Replace valve as required.

External oil leaks: Broken seals or gaskets. Install new components. High transmission oil level. Correct the oil level.

New Holland T6.165 Hydraulic System Troubleshooting

Excessive hydraulic system heat: Hydraulic fluid type is wrong. Use correct type of hydraulic fluid. Hydraulic oil contamination. Change the oil. Air in the hydraulic system. Air bleeding. Damaged main relief valve. Install a new relief valve.

Low hydraulic oil pressure: Hydraulic fluid is insufficient. Add fluid as required. Dirty hydraulic oil filter element. Service or replace the hydraulic filter. Leaks in hydraulic lines. Find leaks in the system and fix it. Incorrect setting hydraulic control valve block. Set correctly. Damaged hydraulic pump. Replace or repair hydraulic oil pump. Hydraulic cylinder is defective. Replace or repair hydraulic cylinder.

Three-point hitch cannot be lifted or lifting is too slow: Faulty hydraulic pump. Repair or replace hydraulic oil pump. Main relief valve malfunction. Relief valve must be changed. Damaged hydraulic spool valve. Repair or change the valve. Defective hydraulic cylinder. Change or repair hydraulic cylinder. Low hydraulic oil level. Checking hydraulic oil level and add if necessary. Hydraulic oil filter element is clogged. Change the hydraulic filter element or service if required. Excessive load on hitch. Reduce hitch load.

3-point hitch does not lower or lowers very slowly: Damaged hydraulic cylinder. Repair or replace hydraulic cylinder. Hydraulic spool valve block is not adjusted properly. The spool valve should be properly adjusted. Damaged hitch cross shaft. Install a new shaft. The hitch is not adjusted. Adjust the 3-point hitch.

Hitch lifting or lowering is jerky: Dirty hydraulic oil. The oil must be changed. Defective hydraulic pump. Repair or replace hydraulic fluid pump. Air in the hydraulic system. Air bleeding. Damaged hydraulic spool valve. Replace or repair the valve. Faulty hydraulic cylinder. Replace or repair hydraulic cylinder.

New Holland T6.165 Steering System Troubleshooting

Excessive steering wheel free play: Worn steering column coupling or shaft. Change faulty component. Defective hydraulic steering pump. Install a new hydraulic steering pump. Worn or loose steering linkage joints. Change or repair steering linkage. Hydrostatic steering unit has malfunction or wear. Inspect and change as required.

Hard Steering: Air in the hydraulic steering system. Bleed the steering system. Steering filter is dirty. Clean or change steering filter. Steering oil level is low. Fill up steering oil to required level. Worn or damaged hydrostatic steering unit. Inspect and change as required. Hydraulic steering pump is defective. Check the steering pump and replace if necessary. Steering pump control valve is stuck or worn. Service or replace flow control valve. Improperly fitted or damaged steering column. Refit or change the steering column. Uneven tyre pressure. Inflate the tyres properly. Not adjusted toe-in. Adjust toe-in wheels. Steering cylinder leakage. Change damaged piston rod or worn seal sleeves.

Tractor pulls to left or right: Worn or defective hydrostatic steering unit. Change or repair steering unit if required. Steering cylinder is worn. Replace or repair hydraulic steering cylinder. Incorrect toe-in. Adjust toe-in wheels. Steering linkage assembly is worn or loose. Check and change as required. Improperly adjusted or defective front hub bearings. Change or adjust bearings correctly. Uneven wear on front tyres. Replace the tyres.

New Holland T6.165 Electrical System Troubleshooting

Battery cannot be charged: Wiring connections are loose or corroded. Clean or tighten wiring connections. Battery terminal clamps are defective. Change terminal clamps. Faulty cell in battery. Install a new battery. Loose or defective belt. Install a new belt or adjust belt tension.

Starter turns slow: Low battery capacity. Battery is drained, charge it. Battery runs out quickly. Service battery or replace it. Bad terminals or disconnected battery cables. Connect cables correctly or replace terminals.

Starter does not work: Battery is low or faulty. Recharge or replace battery. Battery wiring is disconnected or improperly connected. Inspect wiring and connect as required. Battery power is low. Battery is drained, recharge it. Starter motor failing. Starter needs to be changed.