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Ford 4600 Tractor Troubleshooting

The Ford 4600 is a 2WD (4x2) utility tractor. This model was manufactured from 1975 to 1984. The Ford 4600 powertrain system components: Ford vertical three-cylinder water cooled diesel engine, and 8-speed Dual Range transmission. A 201 cubic inches engine power is 59.5 Hp (44.5 kW), and max. torque is 213 Nm (157 lb-ft) at 1200 rpm.

Max. travel speed (forward/reverse): 15.0 mph (24.1 km/h) and 7.2 mph (11.6 km/h). The open center hydraulic system used a gear pump with fluid flow rate of 8.5 gpm (32.2 liters per minute). The hydraulic pressure is 2500 psi (173 bar).

The tractor is fitted with 7.5x16 front tires and 16.9x30 rear tires. The wheelbase is 84.5 inches (2140 mm), and operating weight is 5880 lbs (2670 kg).

Engine Troubleshooting
Engine will not start or starts up hard
Fuel filter plugging - Clean the filter or install new filter element
No fuel supply from the tank - Open the fuel supply valve
Air in fuel lines - Bleed fuel lines
Faulty or dirty injectors - Service or change fuel injectors
Faulty fuel injection pump - Repair or replace injection pump
Poor compression - Check cylinder block and replace damaged components
Engine stops running while driving
Coolant temperature is low - Normalize the engine temperature
Air in fuel pipes - Bleed fuel pipes
Fuel injection failed - Use correct settings
Fuel filter is clogged - Change the filter element
Clogged fuel injectors - Change fuel injectors
Engine starts but immediately stops
Fuel injection pump timing is incorrect - Correct injection timing
Dirty fuel filter element - Replace the filter element
Fuel injector nozzles fault - Install a new set of well-balanced nozzles
Damaged fuel injection pump - Replacement or repair required
Air cleaner is clogged - Service or replace the air cleaner
Engine stalls at low idle speed
Low idle speed setting is incorrect - Adjust the low idle speed
Fuel injection pump malfunctioning - Rebuild or replace pump
Clogged or damaged injector nozzles - Install new set of properly balanced nozzles
Valve out of adjustment - Have it adjusted
Engine is overheated
Insufficient coolant - Fill radiator to proper level. Check for leaks or other malfunctions
Cooling system is dirty or cooling parts are failed - Flush cooling system or replace faulty parts
Engine oil level is low - Need to add engine oil
Fan belt tension is improper or belt is damaged - Adjust correctly or replace the belt
Thermostat is defective - Thermostat needs to be replaced
Engine lacks power
Clogged fuel injectors - Clean or replace fuel injectors
Fuel injection pressure is wrong - Repair or replace injection pump
Air filter element clogging - Replace or clean the air filter element
Oil filter element is dirty - Change or clean engine oil filter element
Engine is under excessive load - Shift to lower gear or reduce the load
Valve clearance is not correct - Adjust valve clearance according to specifications
Low idle speed set incorrectly - Normalize low idle speed
Clogged fuel hoses or pipes - Fuel hoses and pipes must be clean
Engine lost compression: Inlet or outlet valves are defective - Have valves replaced
Abnormal engine knocking or noise
Fuel injection pump out of timing - Repair or replace fuel injection pump
Fuel injector nozzles are damaged or dirty - Install new set of properly balanced nozzles
Engine oil insufficient - Need to add engine oil
Engine is not warmed up to required temperature - Normalize the engine temperature
Crankshaft or main bearings are worn out - Crankshaft or bearings need to be replaced
Piston rings are damaged or broken - Replace piston rings
Flywheel bolts are loose - Bolts need to be tightened
Engine oil consumption is too high
Oil leaks: Gaskets or seals are excessively worn - To repair leaks, replace worn parts
Crankcase oil too light - Fill up with the proper oil viscosity
Piston rings are stuck or worn - Have piston rings replaced
Damaged valve stems or valve guides - Replace the valves
Worn pistons or cylinder liners - Inspect pistons and liners, change as required

Electrical System Troubleshooting
Battery is not charging
Battery dead cell - Change the battery
Damaged battery cable harness - Check electrical cables for damage, repair or replace
Battery cables and terminals are loose or corroded - Cables and terminals must be tightened or cleaned
Belt is defective or belt tension is improperly adjusted Change belt or adjust belt tension properly
Starter turns slowly
Battery voltage is low - Battery needs to be recharged
Battery does not hold charge - Service battery or replace it
Bad battery cable harness - Inspect cables for malfunctions, repair or change
Loose or corroded terminals and cables - Service or tighten battery terminals and cables
Starter is not cranking
Low battery output voltage - Charge the battery
Drained or faulty battery - Change or recharge battery
Starter motor failure - Starter should be changed
Incorrectly connected or disconnected wires - Check battery wires and connect correctly

Transmission Troubleshooting
Difficulty shifting gears
Worn or incorrectly adjusted clutch - Change or adjust clutch
Gear shift linkage is loose or broken - Service or change the shift linkage
Shift forks are worn or damaged - Change defective shift forks
Gearshift mechanism is worn out - Repair or replace worn components if required
Insufficient transmission oil pressure
Low transmission fluid level - Fill system with correct transmission fluid level
Dirty transmission oil filter (if fitted) - Replace or clean transmission oil filter
Relief valve sticking - Change the valve
Transmission is making noise
Bearings are worn or broken - Change faulty bearings
Not enough oil in transmission - Add transmission oil as required
Transmission oil contamination - Fill up with fresh transmission oil
Gears are worn or backlash is improper - Replace gears or adjust backlash properly
Bent or worn shift forks - Install new shift forks
Transmission fluid leakage
Gaskets or seals are defective Seals and gaskets need to be replaced
Cracked transmission housing - Housing needs to be replaced

Hydraulics Troubleshooting
Hydraulic system is overheated
Hydraulic system pressure is unadjusted - Adjust the pressure as required
Main relief valve incorrect adjustment or failure - Set up or change the relief valve
Dirty hydraulic oil - The oil must be changed
Hydraulic system sucks air - Inspect the pump seals, suction line, and fittings
Hydraulic fluid pressure is insufficient
Lack of hydraulic fluid - Add fluid to the hydraulic system
Hydraulic fluid filter clogging - Clean the hydraulic filter or install new filter element
Hydraulic pump is defective - Test the pump performance and change pump if required
Defective or incorrect setting hydraulic control valve block - Replace or set correctly
Broken hydraulic cylinder - Inspect cylinder components for wear or damage and change if required
Hydraulic lines are leaking - Find leaks in the system and fix it
3-point hitch lifts too slowly or can't lift
Hydraulic fluid level is low - Need to add fluid
Cold hydraulic oil - Warm up the oil
Hydraulic oil filter element is dirty - Replace hydraulic filter element or service if necessary
Hydraulic pump malfunction - Test pump performance and replace pump if necessary
Faulty or incorrectly adjusted main relief valve - Adjust relief valve or change if required
Hydraulic control valve is faulty or out of adjustment - Change or adjust correctly
Defective hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary
Suction pipe is broken or loose - Tighten the pipe or replace it
Hitch can't drop or drops too slowly
Damaged or incorrect adjusted hydraulic control valve - Adjust correctly or change
Hydraulic cylinder malfunction - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Hitch cross shaft is damaged - Replace the shaft
Internal mechanical failure of the hitch - Replace faulty or worn hitch parts
Hitch jerks when lift or lower
Air trapped in the hydraulic system - Check the pump seals, suction line, and fittings
Contaminated hydraulic oil - Change hydraulic oil
Defective hydraulic pump - Test the pump performance and change pump if required
Hydraulic spool valve is faulty or out of adjustment - Adjust correctly or replace
Faulty hydraulic cylinder - Check the hydraulic cylinder parts for damage or wear and replace if necessary

Steering System Troubleshooting
Steering wheel is hard to turn
Defective or improperly assembled steering column - Reassemble properly or change steering column
Air enters in steering system - Bleed the system of air
Clogged steering filter - Clean or change steering filter
Improper toe-in adjustment - Check toe-in and correct
Tire pressure is low - Tires need to be inflated
Steering pump not working - Repair or change steering pump
Steering control valve is worn or defective - Check and replace as required
Faulty steering box parts - Defective power steering box components must be replaced
Relief valve malfunction or seizing - Service or replace the relief valve
Steering fluid insufficient - Check and refill steering fluid
Oil leaks in the steering system - Retighten steering line and hose connections
Excessive play in steering
Steering column coupling or shaft is extremely worn out - Change defective part
Damaged or worn steering control valve - Repair or replace the steering control valve
Faulty steering box components - Defective parts of power steering gearbox must be replaced
Worn steering pump - Install a new steering pump
Steering tie-rod ends or linkage are worn - Replace damaged part
Front wheels wander to right or left
Incorrect tire pressure - Inflate the tires correctly
Incorrect toe-in adjustment - Adjust toe-in wheels properly
Steering linkage or tie-rod ends are worn - Replace failed component
Worn steering gear box parts - Defective power steering box components must be replaced
Steering control valve has wear or damage - Repair or change the steering control valve
Damaged or improperly adjusted or worn front hub bearings - Adjust properly or replace bearings




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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