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John Deere 5050D, 5045D, 5042D Troubleshooting

John Deere 5050D, 5045D, 5042D Engine Problems

Engine hard to start or will not start

Improper starting procedure - Reviewing starting procedure. No fuel - Check fuel tank. Air in fuel tank - Bleed fuel tank. Hand primer left raised - Push primer down. Crankcase oil too heavy - Use oil of proper viscosity. Improper type of fuel - Consult fuel supplier; use proper type fuel for operating conditions. Water, dirt, or air in fuel system - Drain, flush, fill and bleed system. Clogged fuel filter - Replace filter element. Dirty or faulty injectors - Check injectors. Fuel shutoff valve closed - Open fuel shutoff valve.

Engine knocks

Insufficient oil - Add oil. Injection pump out of time - Check and adjust. Low coolant temperature - Service as required.

Engine runs irregularly or stalls frequently

Low coolant temperature - Service as required. Clogged fuel filter - Replace filter element. Water, dirt, or air in fuel system - Drain, flush, fill, and bleed system. Dirty or faulty injectors - Check injectors. Improper type of fuel - Use proper fuel.

Below normal engine temperature

Defective temperature gauge or sender - Check gauge, sender, and conditions.

Lack of power

Engine overloaded - Reduce load or shift to lower gear. Low fast idle speed - Service and adjust. Intake air restriction - Service air cleaner. Clogged fuel filter - Replace filter element. Improper type of fuel - Use proper fuel. Below normal engine temperature - Service as required. Improper valve clearance - Adjust valve clearance. Dirty or faulty injectors - Check injectors. Turbocharger not functioning - Repair. Leaking exhaust manifold gasket - Replace gasket. Implement improperly adjusted - See implement operator's manual. Restricted fuel line - Check and service. Restricted return line - Check and service. Improper ballast - Adjust ballast to load.

Low oil pressure

Low oil level - Add oil. Improper type of oil - Drain, fill crankcase with oil of proper viscosity and quality.

High oil consumption

Crankcase oil too light - Use proper viscosity oil. Oil leaks - Check for leaks in lines, around gaskets and drain plugs. Restricted crankcase vent tube - Clean vent tube.

JD 5050D, 5045D, 5042D Engine emits white smoke

Improper type fuel - Use proper fuel. Low engine temperature - Warm up engine to normal operating temperature. Defective thermostat - Replace. Defective injection nozzles - Check and service. Engine out of time - Service and repair. Cold start advance or light load advance not functioning - Check and service.

Engine emits black or gray exhaust smoke

Improper type of fuel - Use proper fuel. Clogged or dirty air cleaner - Service air cleaner. Engine overloaded - Reduce load or shift to a low gear. Injection nozzles dirty - Check and clean. Engine out of time - Service and repair. Turbocharger not functioning - Repair.

JD 5050D, 5045D, 5042D Engine overheats

Dirty radiator core, or grille screens - Remove all trash. Engine overloaded - Shift to lower gear or reduce load. Low engine oil level - Check oil level. Add oil as required. Low coolant level - Fill radiator to proper level, check radiator, and hoses for loose connection or leaks. Faulty radiator cap - Replace cap. Loose or defective fan belt(s) - Adjust belt tension(s). Cooling system needs flushing - Flush cooling system. Defective thermostat - Replace. Defective temperature gauge or sender - Service and repair. Incorrect grade of fuel - Use proper fuel.

High fuel consumption

Improper type of fuel - Use proper fuel. Clogged or dirty air cleaner - Service air cleaner. Engine overloaded - Reduce load or shift to a lower gear. Implement improperly adjusted - See implement operator's manual. Low engine temperature - Service and repair. Excessive ballast - Adjust ballast to load. Defective turbocharger - Replace. Restricted air intake system - Check system. Plugged crankcase vent tube - Clean vent tube.

John Deere 5050D, 5045D, 5042D Transmission Troubleshooting

Transmission oil overheats

Low oil supply - Fill system with correct oil. Clogged transmission-hydraulic oil filter - Replace filter. Internal hydraulic leak - Check and service. Hitch feedback linkage improperly adjusted - Reset linkage. Hydraulic motor not plumbed correctly - Adjust or replace.

Low transmission pressure

Low oil supply - Fill system with correct oil. Clogged transmission-hydraulic oil filter - Replace filter.

John Deere 5050D, 5045D, 5042D Hydraulic System Problems

Entire hydraulic system fails to function

Low oil supply - Fill system with correct oil. Clogged transmission-hydraulic filter - Replace filter. Clogged transmission-hydraulic pickup screen - Clean pickup screen. High-pressure internal leak - Service and adjust.

Hydraulic oil overheats

Low oil supply - Fill system with correct oil. Clogged transmission-hydraulic oil filter - Replace filter. Internal hydraulic leak - Service and adjust. Hitch feedback linkage improperly adjusted - Reset linkage.

JD 5050D, 5045D, 5042D Brakes Troubleshooting

No solid pedal feel - Pedals adjusted incorrectly. Adjust it. Pedal settles - Rear brake piston seal leaking.

Excessive pedal travel - Pedals adjusted incorrectly. Adjust it. Brakes drag during transport - Brakes out of adjustment.

John Deere 5050D, 5045D, 5042D Rockshaft and 3-Point Hitch Problems

Insufficient transport clearance

Center link too long - Adjust center link. Lift links to long - Adjust lift links. Implement not level - Level implement. Implement not properly adjusted - See implement operator's manual. Front of center link in upper holes - Move center link to lower holes. Sway chains adjusted to short - Lengthen sway chains.

Hitch drops slowly

Rockshaft rate-of-drop control not properly set - Adjust rate-of-drop knob.

JD 5050D, 5045D, 5042D Hitch fails to lift or lifts slowly

Excessive load on hitch - Reduce load. Low oil level - Fill system with proper oil. Hydraulic oil too cold - Allow oil to warm. Transmission-hydraulic oil filter clogged - Replace filter. Transmission-hydraulic pickup screen clogged - Clean or replace pickup screen.

Implement will not operate at desired depth

Lift links too short - Adjust lift links. Lack of penetration - See implement operator's manual. Improper setting of limit stop - Reset position limit. Improper setting of draft lever - Adjust Rockshaft and 3-Point Hitch.

Insufficient or no hitch response to draft load

Front attachment of center link in upper holes - Move center link attachment to lower bracket holes. Draft control lever in Off position - Move lever rearward. Lift links too short - Adjust lift links. Lack of penetration - See implement operator's manual. Rate-of-drop too slow - Adjust rate-of-drop valve.

Hitch too responsive

Front attachment on center link in lower bracket holes - Move center link attachment to upper bracket holes. Improper draft sensing adjustment - Move lever forward.

Hitch drops too fast

Rate-of-drop set too fast - Adjust rate-of-drop.

Rockshaft control levers drift. Levers too loose

Friction disks are loose - Adjust rockshaft control lever friction.

John Deere 5050D, 5045D, 5042D Remote Hydraulic Cylinders Problems

Direction of remote cylinder travel is reversed

Improper hose connections - Reverse hose connections.

Hoses will not couple

Improper hose male tips - Replace tip with ISO standard tips.

Remote cylinder will not lift load

Excessive load - Reduce load. Hoses not completely installed - Attach hoses correctly.

Direction of travel reverses on II SCV

SCV lever moved to regenerate position - Reverse hose couplings.

John Deere 5050D, 5045D, 5042D Electrical System Problems

Battery will not charge

Loose or corroded connections - Clean and tighten connections. Sulfated or worn-out battery - Check electrolyte level and specific gravity. Loose or defective alternator/fan belt - Adjust belt tension or replace belt.

Charging system indicator glows with engine running

Low engine speed - Increase speed. Defective battery - Check electrolyte level and specific gravity. Defective alternator - Replace. Slipping alternator/fan belt - Adjust belt tension.

Starter inoperative

Range shift lever in gear - Move lever to neutral. PTO lever in engaged position - Move PTO lever to disengaged position. Low battery output - Charge the battery. Blown fuse - Replace fuse.

Starter cranks slowly

Low battery output - Check electrolyte level and specific gravity. Crankcase oil too heavy - Use proper viscosity oil. Loose or corroded connections - Clean and tighten loose connections.

Entire electrical system does not function

Faulty battery connections - Clean and tighten connections. Sulfated or worn-out battery - Check electrolyte level and specific gravity. Blown fuse - Replace fuse.