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John Deere D160 Troubleshooting
The
John Deere D160 lawn tractor was manufactured between 2011 and 2017. The John
Deere D160 powertrain system components: Briggs and Stratton 44M777 4-cycle
vertical-shaft V-twin cylinder OHV air-cooled gasoline engine and Kanzaki Tuff
Torq HD K46 belt-driven hydrostatic transmission with infinite forward and
reverse gears.
A 44.2 cubic inches (724 cc) engine has a cylinder bore of 3.12" (79
mm), piston stroke of 2.89" (73 mm), and rated power of 24 hp (17.8 kW).
The maximum travel speed (forward/reverse): 5.5 mph (8.8 kph) and 3.2
mph (5.1 kph).
The John Deere D160 is equipped with a manual steering, mechanical shoe
brakes, 16x6.50-8 front tires, and 22x9.50-12 rear tires. The wheelbase
is 49 inches (1240 mm). Compatible attachments for the tractor: a 48"
mid-mount 3-blade mower deck with mechanical spring assist lift, 46"
front blade with lift height of 6.5" (165 mm), and 43.25" front-mount
dual-stage snow blower.
| Engine Troubleshooting |
| Engine won't start or hard to start |
| Gas tank is empty - Add fuel |
| Wrong fuel grade - Use correct gasoline grade |
| Air in fuel system - Bleed fuel system |
| Loose or disconnected spark plug wire - Check spark plug wiring connection, repair or change |
| Spark plug is faulty - Change spark plug as required |
| Dirty fuel filter - Install new filter |
| Defective safety switch - Replace if required |
| Carburetor malfunction - Check and repair as required |
| Engine has bad compression - Check cylinder block and change wear parts |
| Throttle cable is adjusted improperly or worn - Change cable or adjust properly |
| Plugged cooling fins - Need to wash or clean |
| Defective ignition - Check ignition and replace faulty components |
| Throttle cable is defective or stuck - Clean or replace the cable |
| Air filter is blocked - Clean or replace air filter |
| Fuel pump is defective or dirty - Service or replace fuel pump |
| Engine starts and immediately shuts off |
| Faulty spark plug - Spark plug need to be replaced |
| Faulty or clogged carburetor - Clean or change carburetor |
| Ignition coil is damaged - Replace ignition coil as necessary |
| Broken or bad valve springs - Install new valve springs |
| Valves are stuck - Service the valves |
| Low engine oil level - Add oil to the engine crankcase |
| Engine overloaded - Reduce the load |
| Air intake screen is blocked - Need to wash or clean |
| Too lean fuel mixture in carburetor - Adjust carburetor correctly |
| Ignition timing is incorrect - Set the ignition timing correctly |
| Valve setting is wrong - Adjust valves correctly |
| Low octane gasoline - Use correct fuel |
| Engine is under excessive load - Reduce the load |
| Not enough engine oil - Fill up the oil to required level |
| Incorrectly set low idle speed - Adjust idling as required |
| Fuel pump is faulty or clogged - Clean or change fuel pump |
| Main bearings or crankshaft are worn out - Change or repair worn components |
| Improper valve clearance - Adjust to proper valve clearance |
| Damaged cylinder bore or piston rings - Change defective parts |
| Dirty or improperly adjusted carburetor - Carburetor needs to be adjusted correctly or cleaned |
| Plugged air filter - Replace or service air filter |
| Dirty or defective fuel pump - Test fuel pump and replace if necessary |
| Ignition system failure - Inspect ignition system and change failed components |
| Cylinder head gasket is worn - Change cylinder head gasket |
| Valves are stuck or burned - Change or service valves |
| Worn or defective push rod - Replace push rod |
| Worn cylinder block components - Replace defective components as required |
| Engine using too much gasoline |
| Throttle did not open fully - Replace or adjust throttle cable |
| Improper adjustment of carburetor main jet - Adjust the carburetor main jet properly |
| Spark plug is faulty or loose - Spark plug need to be tightened or replaced |
| Stuck, burned, or worn valves - Change or clean valves |
| Worn sleeve, rings, or piston - Replace defective parts as required |
| Excessive valve clearance - Adjust to proper valve clearance |
| Excessive oil consumption |
| Gaskets or seals can be faulty - Defective components must be replaced |
| Worn valve guides and valve stems - Replace defective valves |
| Piston rings are seized or worn - Piston rings need to be replaced |
| Scored piston or cylinder liner - Inspect piston and liner, change as required |
| Blocked breather hose or pipe - Replace or clean |
| Hydrostatic Transmission Troubleshooting |
| Hydrostatic transmission noise |
| Worn or unadjusted speed control linkage - Repair or adjust linkage |
| Transmission overload - Reduce the load is required |
| Fluid is contaminated or fluid level is insufficient - Top up to proper level or change transmission fluid |
| Transmission components are damaged or worn - Check internal transmission parts and replace if required |
| Shift linkage is worn or rusty - Replace or lubricate the linkage |
| Faulty or blocked hydrostatic pump - Change or repair pump |
| Unadjusted or damaged transmission shift control parts - Replace or adjust as required |
| Insufficient transmission oil - Fill the transmission housing to proper oil level |
| Worn or faulty drive pulley - Change pulley |
| Shifting linkage is misadjusted or broken - Adjust properly or replace linkage |
| Speed control pedal linkage is damaged or out of adjustment - Replace or adjust linkage |
| Transmission seals or gaskets are broken - Seals and gaskets need to be replaced |
| Final drive shaft is leaking - Replace shaft seals |
| Cracked transmission housing - Replace damage housing or transmission assembly |
| Mower Deck Troubleshooting |
| Mower vibrates excessively |
| Worn or dirty mower drive pulley - Change or clean pulley |
| Loose or damaged drive belt - Install a new belt or adjust belt tension |
| Mower blades are unbalanced or bent - Balance or change blades |
| Loose blade bolts tightening - Tighten bolts as required |
| Constant clogging of discharge chute |
| Fast ground speed - Need to slow down |
| Long grass - Must be set to low cutting height |
| Low engine speeds - Open throttle fully |
| Cutting level is too low - Use correct cutting height |
| Mower drive belt installation is improper - Reinstall drive belt properly |
| Discharge area is clogged - Need to clean the mower deck |
| Excessive blade dullness - Need to sharpen the blades |
| Worn or damaged blades - Blades need to be replaced |
| Fast ground speed - Select a lower speed |
| Cutting height is too low - Need to set high cutting height |
| Grass bag is full - Grass bag must be empty |
| Lawn is uneven or bumpy - Lawn needs to be leveled |
| Cutting height is too low - Raise the cutting height |
| Fast mowing speed - Select a lower speed |
| Improper mower deck level - Level the deck properly |
| Worn or bent blades - Install new blades |
| Low tire pressure - Need to inflate tires |
| Incorrect tire pressure - Correct tire pressure |
| Deck level is not correct - Level the deck correctly |
| Not sharp blades - Need to sharpen the blades |
| Bent or worn blades - Replace the blades |
| Discharge area is clogged - Clean mower deck as required |
| Broken mower deck housing - Rebuild or replace mower deck |
| Bent or loose mower spindle - Repair or replace the spindle |
| Electrical Troubleshooting |
| Battery cannot be charged |
| Electrical cable connections are corroded or loose - Tighten or clean electrical wiring connections |
| Faulty battery terminal clamps - Terminal clamps need to be replaced |
| Battery dead cell - Install a new battery |
| Low battery output - Low battery charging, charge as required |
| Battery discharges quickly - Service or change the battery |
| Battery terminals are corroded or wires are disconnected - Check cable connections and replace or service terminals |
| Battery is low or faulty - Replace or charge as required |
| Wiring is incorrectly connected or disconnected - Inspect wiring and connect correctly |
| Low battery output voltage - Battery needs to be recharged |
| Spark plug gapped improperly or faulty - Clean and gap or replace |
| Defective solenoid or starter motor - Starter/solenoid needs to be replaced |
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| Lawn and Garden Tractors Technical Specs |
