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New Holland TM135 Troubleshooting

New Holland TM135 Engine Troubleshooting

Engine difficult to start or won't start: Dirty fuel filter. Clean or change the filter. Air in the fuel lines. Bleed the fuel lines. Fuel injection nozzles are faulty or clogged. Clean or change injection nozzles. Fuel injection pump malfunction. Change or repair the pump.

Engine shuts off suddenly while running: Improper setting of fuel injection pump timing. Check the fuel injection pump timing adjustment. Dirty fuel filter. Install new filter element. Engine is not preheated. Warm up engine as required.

Engine starts and stalls suddenly: Fuel filter element is clogged. Replace filter element. Fuel injection pump malfunctioning. Replace or repair injection pump. Clogged air filter element. Air filter maintenance required.

Engine is overheated: Radiator fins are clogged or radiator cap is faulty. Install new cap or clean radiator. Engine has a lack of coolant. The cooling system needs to be refilled and checked for faults. Broken or loose fan belt. If necessary, replace the belt. Not enough engine oil. Add oil to the engine crankcase.

Engine loses power: Clogged injection nozzle. Check and replace nozzles if required. Dirt in the fuel lines or hoses. Clean fuel system hoses and lines. Air cleaner is dirty. Clean or change. Cylinder head gasket defective. Install new cylinder head gasket.

Engine knocking or noise: Engine is cold. Warm up the engine. Engine oil insufficient. Add oil to the engine crankcase. Fuel injection pump timing is wrong. Adjust the pump as required. Broken or worn pistons. Pistons replacement required. Connecting rod is not aligned or defective. Connecting rod needs to be aligned or changed.

Engine stalls when idle: Improperly adjusted low idle speed. Adjust the low idle speed. Incorrect valve clearance. Need to adjust valve clearance. Fuel injection pump damage. Install a new pump or rebuild.

Oil pressure is low: Oil level is insufficient. Check oil level and add oil as required. Worn oil pump. Check and replace if necessary. Plugged engine oil filter. Clean or change engine oil filter.

New Holland TM135 Transmission Troubleshooting

Transmission is making noise: Gears are damaged or backlash is incorrect. Install new gears and set backlash correctly. Shift forks are bent or worn out. Replace defective shift forks. Shaft splines are stuck or worn out. Replace defective shaft. Transmission oil insufficient. Need to add transmission oil. Bearings are damaged or worn. Change the bearings. Transmission fluid is contaminated. Change the fluid.

Hard shifting: Gear shift linkage is rusty or worn. Replace or lubricate the shift linkage. Clutch is worn or not adjusted. Clutch needs to be adjusted or changed. Worn or damaged gear shift forks. Install new shift forks. Gearshift mechanism is damaged. Replace or repair the mechanism.

Low transmission oil pressure: Transmission oil level is low. Check transmission oil level and add oil as required. Transmission oil filter element clogging (if equipped). Clean or replace the transmission filter. Defective relief valve. Install a new relief valve.

Transmission fluid leaking: Damaged gaskets or seals. Change defective gaskets or seal. High transmission oil level. Correct the oil level.

New Holland TM135 Hydraulics Troubleshooting

Hydraulics overheating: Improper hydraulic oil type. The proper type of hydraulic oil must be used. Dirty hydraulic fluid. The fluid must be changed. Air trapped in hydraulic system. Bleed air from system. Main relief valve is defective. Relief valve replacement required.

Hydraulic oil pressure is insufficient: Low hydraulic oil level. Need to add oil. Clogged hydraulic oil filter. Service the hydraulic filter or change if required. Leaks in hydraulic pipes. Check the hydraulic system and fix leaks. Not adjusted hydraulic control valve. Need to adjust. Hydraulic pump failure. Change or repair hydraulic oil pump. Hydraulic cylinder not working. Install a new hydraulic cylinder or repair it.

Hitch won't raise or raises slowly: Hydraulic pump malfunction. Change or repair hydraulic oil pump. Faulty main relief valve. Replace relief valve. Hydraulic control valve block is defective. Install a new valve or repair it. Faulty hydraulic cylinder. Install a new hydraulic cylinder or repair it. Hydraulic fluid level low. Fill the system to proper hydraulic fluid level. Hydraulic fluid filter element is clogged. Hydraulic filter maintenance required. Excessive loading on the hitch. Reduce the load is required.

3-point hitch cannot be lowered or lowering is too slowly: Broken hydraulic cylinder. Repair or change hydraulic cylinder. Incorrect adjusted hydraulic control valve. Adjust correctly. Worn lift arm shaft. Install a new shaft. The hitch has not been adjusted. Adjust 3-point hitch as required.

Hitch lower or lift is jerky: Contaminated hydraulic oil. Change hydraulic oil. Hydraulic pump malfunction. Change or repair hydraulic oil pump. Air in hydraulic pipes. Bleed hydraulic pipes. Hydraulic control valve block is faulty. Repair or replace hydraulic valve. Damaged hydraulic cylinder. Install a new hydraulic cylinder or repair it.

New Holland TM135 Steering Troubleshooting

Excessive steering wheel play: Steering column shaft or coupling has maximum wear. Replace defective part. Hydraulic steering pump is defective. Check the hydraulic steering pump and change if necessary. Steering linkage components are loose or worn. Inspect and replace as required. Steering control unit has damage or wear. Change or repair steering unit if required.

Steering is difficult: Air in steering hydraulic system. Air-bleed steering system. Steering filter element is clogged. Service or replace the steering filter. Not enough steering fluid. Fill up steering fluid to required level. Steering control unit is damaged or worn. Change or repair steering unit if required. Steering pump stopped working. Install a new hydraulic steering pump. Stuck or worn pump flow control valve. Clean or install new control valve. Incorrectly fitted or worn steering column. Refit or replace the steering column. Tyre pressure is uneven. Adjust the tyre pressure. Not adjusted toe-in. Check and adjust toe-in. Leaking steering cylinder. Change worn piston seals or damaged piston rod.

Tractor pulls to left or right: Steering control unit has wear or damage. Replace or repair steering unit as required. Worn steering cylinder. Change or repair hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Steering linkage joints are worn or loose. Change or repair steering linkage. Damaged or improperly adjusted or worn front wheel bearings. Replace or adjust the bearings correctly. Front tires wear unevenly. Change the tires.

New Holland TM135 Electrical Troubleshooting

Battery does not charge: Loose or corroded wire connections. Tighten or clean electrical wiring connections. Faulty battery terminal connectors. Replace terminal connectors. Battery failing. Battery replacement required. Belt is worn or loose. Belt needs to be adjusted or replaced.

Starter turning slow: Battery power is low. Charge the battery. Battery drains quickly. Service battery or change it. Disconnected wires or corroded battery terminals. Connect wires properly or change terminals.

Starter will not crank: Battery is drained or defective. Replace or charge as required. Disconnected or improperly connected wiring harness. Inspect battery wiring harness and connect as required. Low battery voltage. Recharge the battery. Starter motor is faulty. Starter needs to be replaced.