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John Deere GT245 Troubleshooting

The John Deere GT245 is a 2WD garden tractor from GT200 series. This model was manufactured between 2002 and 2005. The John Deere GT245 powertrain system components: Kawasaki FH601V four-cycle vertical shaft V-Twin cylinder gasoline engine and Tuff Torq K71 belt-driven hydrostatic transmission.

A 41.2 cu.in (675 cc) engine output is 19 hp (14.2 kW), and maximum torque is 52.2 Nm (37 lb-ft) at 2600 rev/min. Max. forward speed - 7.0 mph (11.3 kph), max. reverse speed - 7 mph (6.4 kph).

The John Deere GT245 has a manual steering with sector and pinion, wet disc brakes, 16x6.50-8 front tires, and 23x10.50-12 rear tires. The wheel base is 49 in (1240 mm). The tractor can be equipped with the following attachments: 42", 44", 48", or 54" mid-mount mower decks with a cutting height of 1.0-4.0 in (25-102 mm) and electric blade engagement, 42" single-stage front-mount snow blower, and 46" front blade with mechanical lift.

Engine Troubleshooting
Engine hard starting or not starting
Empty gas tank - Add gasoline
Wrong fuel grade - Use quality gasoline
Air trapped in fuel system - Bleed air
Damaged spark plug wiring connection - Check the spark plug wire connection, repair or replace
Defective spark plug - Install new spark plug
Plugged fuel filter - Change fuel filter
Brake pedal not pushed down - Push the brake pedal down
Carburetor not adjusted - Adjust according to instructions
Engine has low compression - Check cylinder block and replace defective parts
Throttle cable is damaged or adjusted incorrectly - Change cable or adjust properly
Engine runs unevenly
Plugged cooling fins - Need to clean or wash
Ignition system problems - Inspect ignition system and change failed components
Faulty or stuck throttle cable - Service or change the cable
Clogged air filter - Service or change air filter
Dirty or defective fuel pump - Test fuel pump and change if necessary
Engine stops after starting
Spark plug is damaged - Replace spark plug
Clogged or faulty carburetor - Repair or clean carburetor
Ignition coil is damaged - Replace ignition coil as necessary
Loose or broken valve springs - Install new valve springs
Stuck valves - Clean the valves
Engine overheating
Engine oil insufficient - Checking oil level and add if necessary
Excessive engine load - Reduce engine load
Cooling fins are blocked - Need to wash or clean
Carburetor mixture is too lean - Set the carburetor properly
Bad ignition timing - Adjust ignition timing as required
Incorrect valve setting - Valves needs to be adjusted properly
Abnormal engine noise or knocking
Stale or low octane fuel - Use correct gasoline
Excessive engine load - Reduce engine load
Lack of engine oil - Fill the crankcase with engine oil
Wrong adjustment of low idle speed - Adjust as required
Fuel pump is clogged or faulty - Inspect fuel pump and change as required
Crankshaft or main bearings are worn out - Repair or replace defective parts
Excessive valve clearance - Need to adjust valve clearance
Piston rings or cylinder bore are damaged - Change faulty parts
Loss of engine power
Carburetor is clogged or incorrectly adjusted - Clean or correctly adjust carburetor
Air filter element is clogged - Service or change air filter
Dirty or damaged fuel pump - Check fuel pump and change if required
Ignition system malfunction - Inspect ignition system and change faulty parts
Cylinder head gasket is defective - Cylinder-head gasket replacement required
Stuck or burned valves - Replace or service valves
Push rod is damaged or worn - Replace push rod
Faulty cylinder block components - Replace defective components
Engine using too much gasoline
Insufficient throttle opening - Adjust or replace throttle cable
Carburetor main jet is improperly adjusted - Adjust it properly
Defective or loose spark plug - Re-tighten or replace spark plug
Worn, stuck, or burned valves - Clean or replace valves
Rings, sleeve, or piston are damaged - Change faulty components
Improper valve clearance - Adjust valve clearance
Engine using too much oil
Gaskets or seals can be faulty - Change worn parts according to specifications
Valve stems and guides are worn - Need to replace the valves
Worn or stuck piston rings - Have piston rings replaced
Cylinder liner or piston is scuffed - Check liner and piston, change as required
Breather hose or pipe is clogged - Replace or service

Hydrostatic Transmission Troubleshooting
Hydrostatic transmission is making noise
Worn or unadjusted speed control linkage - Adjust or change linkage
Excessive loading - Reduce the load is required
Transmission fluid is dirty or fluid level is too low - Add fluid to correct level or fill the transmission with fresh fluid
Worn or defective transmission components - After disassembling and inspection, change defective components
Difficult to shift
Shift linkage is stuck or worn - Clean or replace linkage
Hydrostatic pump is faulty or seized - Repair or replace pump
Defective or unadjusted transmission shift control components - Change or adjust correctly
Lack of power
Insufficient transmission fluid - Check and refill the transmission fluid
Drive pulley is damaged or worn - Change pulley
Shifting linkage is misadjusted or broken - Replace or adjust linkage
Speed control linkage is worn or unadjusted - Adjust or change linkage
Transmission leaks
Transmission gaskets or seals are damaged - Replace seals or gaskets
Final drive shaft leakage - Shaft seals need to be changed
Cracked transmission case - Replace case or transmission assembly

Mower Deck Troubleshooting
Excessive mower vibration
Damaged or clogged mower drive pulley - Clean or replace pulley
Drive belt is worn or loose - Change belt or adjust belt tension
Mower blades are bent or out of balance - Balance or change as needed
Loose blade mounting bolts - Tighten bolts as required
Discharge chute is regularly plugged
Fast mowing speed - Select a slower speed
Long grass - Adjust mower to lower cutting height
Low engine speeds - Open choke fully
Mower cuts too low - Need to set high cutting height
Drive belt installed improperly - Reinstall drive belt properly
Streaking of uncut grass
Cutting deck is clogged - Check cutting deck and clean as necessary
Blades are too dull - Blades need to be sharpened
Damaged or worn blades - Change the blades
Ground speed is too fast - Select a slower speed
Cutting level is too low - Need to set high cutting height
Grass bag is full - Empty the grass bag
Blades scalp the grass
Lawn is bumpy or not smooth - Level the lawn
Mower cuts too low - Raise the cutting height
Ground speed is too fast - Select a lower speed
Incorrectly leveled mower deck - Level the deck properly
Blades are bent or worn - Replace the blades
Tire pressure is too low - Check and inflate the tires
Uneven cut
Low tire pressure - Check and inflate the tires
Deck level is not correct - Deck should be adjusted correctly
Blades are not sharp - Need a blade sharpening
Blades are defective or worn - Blades need to be replaced
Cutting deck is clogged - Inspect and clean cutting deck
Broken mower deck shell - Rebuild or replace mower deck
Bent or loose mower spindle - Spindle needs to be repaired or replaced

Electrical Troubleshooting
Battery will not charge
Corroded or loose electrical wire connections - Service or tighten connections
Battery terminal clamps are defective - Terminal clamps need to be replaced
Battery is defective - Battery change required
Starter turns slow
Low battery power - Battery needs to be recharged
Battery is not holding charge - Battery needs service or replacement
Corroded battery terminals or disconnected wires - Connect cables correctly or replace terminals
Starter is not cranking
Battery is low or faulty - Charge or change the battery
Disconnected or improperly connected wiring harness - Inspect battery wiring harness and connect as required
Battery voltage is low - Battery is drained, charge it
Improperly gapped or dirty spark plug - Replace or clean and gap
Damaged starter motor or solenoid - Replace solenoid or repair starter




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