Home / Lawn and Garden Tractors / Husqvarna Lawn Tractors / Husqvarna YTH2348

Husqvarna YTH2348 Troubleshooting

The Husqvarna YTH2348 lawn tractor was manufactured from 2007 to 2011. The components of Husqvarna YTH2348 driveline system: 44.2 cu.in (724 cc) Briggs and Stratton 445577 4-cycle vertical-shaft two cylinder air-cooled gasoline engine with a maximum power of 23 hp (17.2 kW), and Tuff Torq K46 belt-driven hydrostatic transmission with foot-controlled variable speed drive.

The engine has a fixed main jet carburetor, full pressure lubrication with oil filter, and electronic ignition system. Max. forward speed - 5.2 mph (8.4 kph), maximum reverse speed - 2.9 mph (4.7 kph).

The Husqvarna YTH2348 is fitted with 15x6.00-6 front tires and 20x8.00-8 rear tires. The wheel base is 48 in (1220 mm). The lawn tractor is equipped with a 48" mid-mount 2-blade side discharge mower deck with cutting height of 1.5-4.0" (37-100 mm), 6 cut positions, and mechanical lift system.

Engine Troubleshooting
Engine doesn't start or hard to start
Gas tank is empty - Add gasoline
Low-quality gasoline - Use correct fuel grade
Dirt and debris in fuel system - Remove debris and dirt
Spark plug wire is loose or disconnected - Check the spark plug wire connection, repair or replace
Defective spark plug - Install new spark plug
Dirty fuel filter - Fuel filter needs changing
Defective safety switch - Replace if required
Carburetor malfunction - Check and repair as required
Bad compression - Check and change damaged parts
Unadjusted or worn throttle cable - Change cable or adjust correctly
Unstable engine running
Cooling fins are blocked - Need to clean or wash
Ignition system malfunction - Inspect ignition system and change faulty parts
Choke cable is stuck or faulty - Clean or replace the cable
Air filter element is clogged - Change or service air filter
Fuel pump is faulty or clogged - Service or change fuel pump
Engine stalls after starting
Spark plug is damaged - Change spark plug as required
Carburetor is dirty or defective - Clean or replace carburetor
Defective ignition coil - Install a new ignition coil
Worn or loose valve springs - Replace valve springs
Valves sticking - Service the valves
Engine overheated
Low engine oil level - Checking oil level and add if necessary
Engine is under excessive load - Load reducing required
Air intake screen is plugged - Clean and wash as required
Too lean carburetor mixture - Set the carburetor properly
Bad ignition timing - Adjust ignition timing as required
Incorrect valve setting - Adjust valves correctly
Engine knocking or noise
Stale or low octane fuel - Change gasoline
Excessive engine load - Reduce load
Engine oil level is low - Add oil to the engine crankcase
Wrong adjustment of low idle speed - Correct idle settings
Dirty or damaged fuel pump - Service or change fuel pump
Crankshaft or main bearings failure - Replace crankshaft or bearings
Valve clearance is wrong - Need to adjust valve clearance
Cylinder bore or piston rings are worn - Change faulty components
Low engine power
Carburetor is dirty or improperly adjusted - Service or correctly adjust carburetor
Clogged air filter - Clean or change air filter
Clogged or damaged fuel pump - Inspect fuel pump and change as required
Ignition failure - Inspect ignition system and change failed components
Cylinder head gasket is damaged - Replace cylinder head gasket
Stuck or burned valves - Replace or clean valves
Push rod is worn or damaged - Replace push rod
Worn cylinder block parts - Replace defective components
Engine using too much gasoline
Insufficient throttle opening - Adjust or replace throttle cable
Improper adjustment of carburetor main jet - Adjust it correctly
Loose or faulty spark plug - Spark plug need to be tightened or replaced
Stuck, burned, or worn valves - Replace or clean valves
Sleeve, piston, or rings are damaged - Replace defective parts
Valve clearance is not correct - Adjust valve clearance
Excessive oil consumption
Worn seals or gaskets - Replace to repair leaks
Valve guides and stems are worn - Replace defective valves
Stuck or worn piston rings - Change piston rings
Cylinder liner or piston is worn - Inspect piston and liner, change as required
Breather hose or pipe is clogged - Clean or change

Hydrostatic Transmission Troubleshooting
HST transmission is excessively noisy
Speed control pedal linkage is bent or not adjusted - Replace or adjust linkage
Transmission overload - The load should be reduced
Transmission fluid is dirty or fluid level is too low - Pour fresh fluid or add transmission fluid to proper level
Damaged or worn components of hydrostatic transmission - After disassembly and inspection, replace defective components
Hard shifting
Shift linkage is corroded or worn - Lubricate or replace linkage
Hydrostatic pump is stuck or worn - Repair or change pump
Unadjusted or damaged transmission shift control parts - Change or adjust correctly
Low power
Transmission fluid insufficient - Need to add transmission fluid
Defective or worn drive sheave - Install a new sheave
Shift linkage is damaged or unadjusted - Replace or adjust linkage
Speed control linkage is defective or unadjusted - Adjust or replace linkage
Transmission leaking
Damaged transmission seals or gaskets - Replace seals or gaskets
Final drive shaft is leaking - Replace shaft seals
Transmission housing is cracked - Replace housing or transmission assembly

Mower Deck Troubleshooting
Mower vibration is excessive
Mower deck drive pulley is worn or dirty - Clean or change pulley
Drive belt is loose or defective - Install a new belt or adjust belt tension
Mower blades are bent or out of balance - Balance blades or replace it
Loose blade mounting bolts - Bolts should be tightened
Constant clogging of discharge chute
Mowing speed is too high - Operate at slower speed
Tall grass - Need to set low cutting height
Low engine speeds - Adjust choke to full opening
Mower cuts too low - Must be set to high cutting height
Incorrect mower drive belt installation - Reinstall drive belt properly
Lawn mower leaving uncut grass
Deck clogged with grass clippings - Need to clean the mower deck
Excessive blade dullness - Blades need to be sharpened
Defective or worn blades - Blades need to be replaced
Ground speed is too fast - Need to slow down
Cutting level is too low - Change cutting height adjustment
Grass bag is overfilled - Empty the grass bag
Blades scalping grass
Lawn is not level or bumpy - Lawn needs to be leveled
Cutting height is too low - Adjust mower to higher cutting height
Fast mowing speed - Use a lower speed
Mower deck is not leveled properly - Level the deck correctly
Damaged or bent blades - Change the blades
Low tire inflation - Correct tire pressure
Uneven cut
Low tire pressure - Inflate tires correctly
Deck level is not correct - Deck should be adjusted correctly
Blades are excessively dull - Need to sharpen the blades
Bent or worn blades - Blades need to be replaced
Cutting deck is clogged - Need to clean the mower deck
Damaged mower deck shell - Replace or repair the deck
Loose or defective mower spindle - Spindle needs to be repaired or replaced

Electrical Troubleshooting
Battery will not charge
Wiring connections are corroded or loose - Clean or tighten wiring connections
Battery terminal clamps are defective - Terminal clamps should be changed
Bad cell in battery - Battery change required
Starter cranks slowly
Battery capacity is low - Charge the battery
Battery discharges quickly - Service charging system or replace battery
Wires are disconnected or battery terminals are corroded - Check cables and clean or change terminals
Starter is not working
Battery is drained or worn - Battery needs to be recharged or replaced
Wire harness is disconnected or incorrectly connected - Check wire harness and connect as required
Battery voltage is low - Recharge the battery
Spark plug worn or incorrectly gapped - Replace or clean and gap
Defective solenoid or starter motor - Repair starter or replace solenoid



Lawn and Garden Tractors Technical Specs