Home / Skid Steer Loaders / New Holland Skid Steer Loaders / New Holland LS160

New Holland LS160 Troubleshooting

The New Holland LS160 skid steer loader driveline system components: a 121.7 cu.in (2L) Shibaura N844 vertical 4-cylinder indirect injection liquid-cooled diesel engine with a rated power of 46 hp (34 kW), and single-speed hydrostatic transmission. The hydraulic system has a pump with a rated capacity of 15.5 gal/min (58.7 l/min). The system relief pressure is 2600 psi (177 bar). The New Holland LS160 is equipped with 80 HD roller chains and 10x16.5 tires. The skid steer loader has a boom lifting force of 2825 lbs (1285 kg) and bucket breakout force of 3712 lbs (1685 kg). The rated operating capacity is 1700 lbs (770 kg), and tipping load is 3400 lbs (1540 kg).

Engine Troubleshooting

Engine hard to start or won't start
Air in fuel system - Bleed fuel system.
Fuel filter element is dirty - Install new filter element.
Fuel injection nozzles are dirty or defective - If necessary, replace with a new nozzle.
Water or dirt in fuel system - Drain, flush, and service the system.
Incorrect valve clearance - Adjust valve clearance.
Fuel injection pump is damaged - Replace or rebuild injection pump.

Engine starts but stalls immediately
Dirty air cleaner - Clean or change cleaner.
Clogged fuel filter - Change or clean the filter element.
Poor fuel injection pump tightness - Look for any leaks of fuel pump, tighten it fast.
Fuel injectors are dirty or defective - Replace fuel injectors.
Fuel injection pump damage - Change pump or rebuild it.

Engine stops unexpectedly during operation
Engine has not warmed up to required temperature - Warm up to required temperature.
Fuel filter plugging - Change filter element.
Air in the fuel system - Air bleeding.
Defective injection nozzle - Test injection nozzles and change if necessary.
Fuel injection pump timing is wrong - Set it up as required.

Engine stops at idle
Low idle speed adjustment is incorrect - Normalize low idle speed.
Fuel injection pump malfunctioning - Replace or repair injection pump.
Damaged or clogged injectors - Test and replace fuel injectors if necessary.
Excessive valve clearance - Correct valve clearance needs to be set.

Engine lacks power
Air filter is clogged - Replace or clean air filter element.
Fuel injection nozzles are dirty or defective - Test injection nozzles and change if necessary.
Incorrect fuel injection pressure - Adjust pressure to proper level.
Excessive valve clearance - Adjust valve clearance.
Incorrectly set low idle speed - Normalize low idle speed.
Restricted fuel hoses or lines - Clean fuel system hoses and lines.
Cylinder-head gasket is broken - Replace the gasket as required.
Defective or worn piston rings - Replace the piston rings as required.

Engine overheats
Coolant level is low - Fill the cooling system and check components for leaks or other faults.
Not enough engine oil - Add oil to the engine crankcase.
Defective radiator cap or clogged radiator fins - Clean radiator or install new cap.
Damaged or worn fan belt - Change as required.
Engine is under excessive load - Load reducing is recommended.

Oil pressure is insufficient
Low crankcase oil level - Need to add oil.
Oil filter clogging - Replace or clean engine oil filter element.
Oil grade or viscosity is wrong - Fill up with the proper oil viscosity.
Incorrect crankshaft bearing oil clearance - Bearing needs to be changed.
Worn oil pump - Repair or change.

Abnormal engine knocking or noise
Low engine oil level - Add oil to the engine crankcase.
Engine not warmed up - Normalize the temperature by warming up the engine.
Fuel injection pump timing is wrong - Adjust according to specifications.
Low idle speed setting is incorrect - Need to adjust idle speed.
Fuel injectors are faulty or clogged - Replace fuel injectors.
Misaligned or faulty connecting rod - Alignment procedure or replacement is required.
Piston wear or scoring - Replace the pistons as required.

Drive System Troubleshooting

Drive system won't work in one direction or either direction
Low hydraulic oil level - Checking hydraulic oil level and add if necessary.
Faulty drive chain - Check drive chain and change faulty parts.
Input drive shaft is not working properly - Repair or replace.
Relief valve is defective - Repair or replace.
Suction line or hydraulic filter is plugged - Check, clean, or change if necessary.
Faulty hand or foot controls - Replace or repair.
Drive pump or motor malfunction - Repair or change faulty component.

Power is too low
Dirty hydraulic oil filter - Change or clean hydraulic filter.
Relief valve is defective or open - Close or replace relief valve.
Transmission parts are defective or worn - Check and replace faulty components.
Input drive shaft failure - Replace or service the drive shaft.
Air leaks in hydraulic system - Air bleeding is required.

Drive system keeps overheating
Insufficient hydraulic oil - Need to add oil.
Plugged hydraulic fluid filter - Replace hydraulic filter.
Relief valve is defective - Repair or change.
Drive pump or hydraulic motor is damaged - Inspect and change as required.
Hydraulic oil cooler is plugged - Clean the cooling fins.
Drive system is overloaded - Load should be reduced.

Drive system is noisy
Oil viscosity is too heavy - Use correct oil viscosity.
Air in hydraulic system - Air bleeding is required.
Defective drive pump or hydraulic motor - Repair or replace faulty component.
Mechanical components of drive system are worn or damaged - Check the parts and change if required.

Hydraulics Troubleshooting

Hydraulic system has overheating
Hydraulic pressure is not adjusted correctly - Adjust pressure as required.
Faulty or improperly adjusted main relief valve - Replace or set up the relief valve.
Hydraulic fluid is dirty - The fluid must be changed.
Lack of hydraulic oil - Add oil to the hydraulic system.
Hydraulic pump is defective - Change or repair hydraulic pump if required.

Lift arm fails to drop or lift
Lift controls are damaged - Repair or replace.
Hydraulic pump malfunction - Change or repair hydraulic pump if required.
Damaged hydraulic control valve - Repair or change the valve.
Hydraulic cylinder is broken - Install a new boom cylinder or repair it.
Low hydraulic oil level - Check and refill the hydraulic oil.

Bucket can't tilt
Bucket tilt controls malfunction - Repair or change.
Hydraulic pump is broken - Replace or repair pump if necessary.
Damaged hydraulic control valve - Install a new valve or repair it.
Defective bucket cylinder - Install a new cylinder or repair it.
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.

Bucket or lift arm moves slowly
Hydraulic pump is worn - Check hydraulic pump flow and replace pump if necessary.
Hydraulic cylinder oil leakage - Install new cylinder seals.
Insufficient hydraulic fluid - Fill the system to proper hydraulic fluid level.
Worn or unadjusted hydraulic control valve - Repair or set properly.
Hydraulic pressure has dropped - Correct adjustment is required.

Lift arm or bucket is moving jerkily
Hydraulic system is leaking air - Bleed hydraulic system.
Clogged hydraulic oil filter element - Clean or change the filter.
Hydraulic fluid is dirty - The fluid must be changed.
Cylinder rod or tube is scuffed - Replace worn component.

Hydraulic pump is excessively noisy
Low oil level or hydraulic leaks - Add hydraulic oil or correct system leaks.
Hydraulic filter clogging - Clean or install new filter.
Suction line is dirty - Service the suction line.
Air in hydraulic pump - Need to bleed air.
Worn pump components - Replace or rebuild the pump.

Electrical Troubleshooting

Battery cannot be charged
Electrical wire connections are corroded or loose - Tighten or clean connections.
Battery terminal connectors are defective - Replace terminal connectors.
Battery dead cell - Replace the battery.
Belt is damaged or loose - Adjust belt tension or replace belt.

Starter cranks slow
Low battery power - Battery is drained, charge it.
Battery runs out quickly - Service battery or change it.
Terminals are faulty or battery cables are disconnected - Check cables and service or change terminals.

Starter does not work
Battery is drained or defective - Change or recharge battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Battery capacity is low - Charge the battery.
Faulty starter motor - Starter needs to be replaced.