Home / Farm Tractors / Case IH Tractors / Case IH JX80

Case IH JX 80 Troubleshooting

The Case IH JX80 utility tractor was manufactured from 2007 to 2008. The Case IH JX80 driveline system components: Iveco 8045 4 stroke 4-cylinder direct injection liquid-cooled diesel engine and 12x4 synchronized gear transmission, or 20x12 mechanical shuttle transmission with creeper.

A 239 cubic inches (3.9 L) engine has a cylinder bore of 4.09" (104 mm), piston stroke of 4.53" (115 mm), rated power of 72 hp (53.7 kW), and maximum torque of 279 Nm (205.8 lb-ft) at 1500 rpm. The maximum forward speed - 24.8 mph (40 kph).

The open center hydraulic system includes a gear pump with a rated capacity of 10.6 gal/min (40.1 l/min) or 13.6 gal/min (51.5 l/min). The main relief pressure is 190 bar (2755 psi). The Case IH JX-80 tractor is fitted with 13.6R24 front tires and 16.9R34 rear tires. The wheel base is 91" (2310 mm) for models with 2WD and 87" (2200 mm) for models with 4WD.

Engine Troubleshooting
Engine hard to start or won't start

There is air in the fuel system - Bleed the system.
Dirty fuel filter - Replace filter element.
Faulty or dirty injection nozzles - Service or change injection nozzles.
Water in the fuel system - Change fuel and repair fuel system.
Valve clearance is wrong - Check and adjust as required.
Fuel injection pump malfunctioning - Rebuild or install a new injection pump.

Diesel starts but immediately stops

Air filter clogged - Install new air filter element.
Fuel filter element is clogged - Clean or change the filter.
Fuel injection pump has loose connections - Tighten the connections.
Clogged or defective injectors - Change or clean fuel injectors.
Faulty fuel injection pump - Install a new pump or rebuild.

Diesel shuts off while driving

Engine not warmed up - Warm up engine as required.
Fuel filter plugging - Replace filter element.
Air in fuel system - Bleed fuel system.
Fuel injection nozzles are damaged - If necessary, replace with a new nozzle.
Incorrect adjustment of fuel injection pump timing - Set up as recommended.

Engine stops at idle

Low idle speed setting is not correct - Adjustment required.
Defective fuel injection pump - Replace injection pump or repair it.
Defective fuel injectors - Clean fuel injectors or change it.
Improper valve clearance - Adjust valve clearance.

Engine lacks power

Air filter element clogged - Install new air filter element.
Clogged or burnt injection nozzle - Replace injection nozzles.
Incorrect fuel injection pressure - Test fuel injection pressure and adjust it correctly.
The valve clearance is incorrect - Have it adjusted.
Low idle speed setting is not correct - Adjust low idle speed.
Fuel hoses or lines are clogged - Clean fuel system lines and hoses.
Blown cylinder head gasket - Change cylinder head gasket.
Piston rings are broken or leaking - Change piston rings.

Engine overheating

Not enough coolant - Add coolant fluid and inspect the cooling system for leaks.
Not enough engine oil - Check and refill engine oil.
Faulty radiator cap or dirty radiator fins - Clean radiator or change cap.
Loose or defective fan belt - Replace as required.
Diesel engine overloaded - Reduce load or shift to lower gear.

Oil pressure is low

Not enough oil in the engine - Check oil level and add oil as required.
Oil filter clogging - Service or change engine oil filter element.
Different type of engine oil - Use correct viscosity oil.
Excessive oil clearance of crankshaft bearing - Install new bearings.
Oil pump is defective - Inspect and change as required.

Engine knocks or noises

Insufficient engine oil - Checking oil level and add if necessary.
Engine is not preheated - Normalize the temperature by warming up the engine.
Timing of fuel injection pump is incorrect - Use the correct fuel injection pump timing adjustment.
Improperly adjusted low idle speed - Normalize low idle speed.
Defective fuel injectors - Replace fuel injectors.
Connecting rod is worn or misaligned - Need to replace or align the connecting rod.
Pistons are worn or scored - Replace the pistons.

Transmission Troubleshooting
Low transmission fluid pressure

Low fluid level - Need to add transmission fluid.
Transmission fluid filter element clogging (if equipped) - Service or change transmission fluid filter.
Relief valve malfunction - Install a new valve.

Transmission is excessively noisy

Transmission oil insufficient - Add oil to the transmission housing.
Transmission fluid contamination - Change the fluid.
Gears are defective or backlash is improper - Install new gears and adjust backlash properly.
Bearings are damaged or worn - Replace faulty bearings.
Worn or bent gear shift forks - Change defective shift forks.
Damaged or worn shaft splines - Change the shaft.

Hard shifts

Gear shift linkage is corroded or worn - Replace or lubricate the shift linkage.
Shift forks are worn or bent - Change defective shift forks.
Defective parts in the gearshift mechanism - Replace defective parts.
Unadjusted or worn clutch - Clutch needs to be adjusted or changed.

Transmission oil leaks

Transmission fluid level is exceeded - Excess fluid must be drained.
Damaged gaskets or seals - Install new components.

Hydraulics Troubleshooting
Low hydraulic system pressure

Hydraulic fluid is insufficient - Checking hydraulic fluid level and add if necessary.
Dirty hydraulic fluid filter element - Hydraulic filter maintenance required.
Defective hydraulic pump - Replace or repair hydraulic oil pump.
Hydraulic control valve is set improperly - The control valve must be set correctly.
Defective hydraulic cylinder - Change or repair hydraulic cylinder.
Leaks in hydraulic pipes - Identify leaks in the system and repair it.

Hydraulic system is overheated

Main relief valve failure - Relief valve replacement required.
Wrong hydraulic fluid type - Pour the proper type of fluid.
Hydraulic fluid is contaminated - Fill up with new hydraulic fluid.
Air in hydraulic pipes - Bleed hydraulic pipes.

3-point hitch fails to lift or lifts slowly

Hitch is under excessive load - Reduce the load is required.
Low hydraulic fluid level - Checking hydraulic fluid level and add if necessary.
Hydraulic oil filter is clogged - Service or replace the hydraulic filter.
Hydraulic pump is faulty - Install a new hydraulic oil pump.
Main relief valve is faulty - Replace relief valve.
Hydraulic control valve is faulty - Install a new valve or repair it.
Broken hydraulic cylinder - Change or repair hydraulic cylinder.
Loose or broken suction pipe - Retighten or replace pipe.

Hitch cannot be lowered or lowering is too slowly

Incorrect setting hydraulic control valve - Use the correct adjustment.
Hydraulic cylinder is faulty - Replace or repair hydraulic cylinder.
Misadjusted hitch - Adjust three-point hitch as required.
Worn hitch rock shaft - Install a new shaft.

Jerky lowering or lifting of the hitch

Air in hydraulic lines - Bleed hydraulic lines.
Hydraulic fluid contamination - Change hydraulic fluid.
Damaged hydraulic pump - Replace or repair hydraulic oil pump.
Damaged hydraulic control valve - Repair or change the valve.
Damaged hydraulic cylinder - Install a new hydraulic cylinder or repair it.

Steering System Troubleshooting
Steering wheel is difficult to turn

Incorrectly mounted or defective steering column - Mount the steering column correctly or replace it.
Air lock in hydraulic steering system - Need to bleed air.
Not adjusted toe-in - Check toe-in and correct.
Uneven wear on front tires - Replace the tires.
Steering pump malfunction - Steering pump needs to be replaced or repaired.
Stuck or worn pump flow control valve - Flush or change flow control valve.
Low steering oil level - Fill up the steering oil.

Excessive steering wheel free play

Worn steering column shaft or coupling - Replace defective component.
Steering pump not working - Install a new steering pump.
Loose or worn steering linkage parts - Check and change as required.

Tractor pulls to left or right

Uneven tire pressure - Inflate the tires properly.
Improper toe-in - Adjust toe-in wheels.
Loose or worn steering linkage components - Repair or change steering linkage.
Damaged or improperly adjusted or worn front wheel bearings - Change or adjust bearings correctly.

Electrical Troubleshooting
Battery is not charging

Corroded or loose cable connections - Service or tighten cable connections.
Faulty battery terminal clamps - Install new terminal clamps.
Worn-out battery - Change the battery.
Worn or loose belt - Adjust belt tension or replace belt.

Starter motor cranks slow

Low battery output voltage - Recharge the battery.
Battery drains quickly - Service battery or change it.
Corroded battery terminals or disconnected wires - Check cables and service or change terminals.

Starter is not working

Battery is low or faulty - Charge or replace the battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Low battery power - Charge the battery.
Defective starter motor - Repair or replace starter.



Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294