15 Common John Deere Lt155 Problems (Quick Guide)

15 Common John Deere LT155 Problems (Quick Guide)

1. The Problem

The John Deere LT155 is a popular compact tractor that is known for its reliability and performance. However, like any piece of machinery, it is not immune to problems. In this article, we will discuss the 15 most common problems that John Deere LT155 owners face.

2. The Most Common Problems

The most common problems with the John Deere LT155 include:

Engine problems
Transmission problems
Hydraulic problems
Electrical problems
Tire problems
Brake problems
Steering problems
Cooling system problems
Exhaust system problems
Fuel system problems
Air filter problems
Cabin air filter problems

3. What You Will Get in This Article

In this article, we will provide you with a detailed overview of each of these problems. We will also provide you with tips on how to troubleshoot and fix each problem. By understanding these common problems, you can better maintain your John Deere LT155 and keep it running smoothly for years to come.

15 Common John Deere LT155 Problems (Quick Guide)

Problem: Engine won’t start

Possible Causes

Dead battery
Faulty starter
Clogged fuel filter
Bad spark plugs
Faulty ignition switch
Loose or corroded battery terminals

Symptoms

The engine doesn’t turn over when you turn the key in the ignition.
The engine turns over but doesn’t start.
The engine starts and then dies immediately.
The engine runs rough or stalls.

Recommended Solutions

Check the battery voltage with a voltmeter. If the battery is below 12 volts, it needs to be charged or replaced.
Test the starter motor with a multimeter. If the starter motor is not working properly, it will need to be replaced.
Clean or replace the fuel filter.
Replace the spark plugs.
Check the ignition switch for corrosion or damage.
Clean or tighten the battery terminals.

Problem: Engine overheats

Possible Causes

Low coolant level
Faulty thermostat
Clogged radiator
Bad water pump
Defective head gasket

Symptoms

The engine temperature gauge rises above the normal operating range.
Steam or smoke coming from the engine.
The engine loses power.
The engine starts to knock.

Recommended Solutions

Check the coolant level and add coolant if needed.
Replace the thermostat if it is stuck open or closed.
Clean or replace the radiator.
Replace the water pump if it is not working properly.
Repair or replace the head gasket if it is leaking.

Problem: Engine misfires

Possible Causes

Bad spark plugs
Faulty ignition coil
Clogged fuel injector
Bad fuel filter
Lean air-fuel mixture

Symptoms

The engine runs rough or stalls.
The engine hesitates when you accelerate.
The engine backfires.
Black smoke coming from the exhaust.

Recommended Solutions

Replace the spark plugs.
Test the ignition coil with a multimeter. If the ignition coil is not working properly, it will need to be replaced.
Clean or replace the fuel injector.
Replace the fuel filter.
Adjust the carburetor to achieve the correct air-fuel mixture.

Problem: Engine makes knocking noise

Possible Causes

Low oil level
Worn piston rings
Worn bearings
Defective valves
Detonation

Symptoms

A knocking noise coming from the engine.
The engine loses power.
The engine starts to smoke.

Recommended Solutions

Check the oil level and add oil if needed.
Replace the piston rings if they are worn.
Replace the bearings if they are worn.
Repair or replace the valves.
Adjust the ignition timing to prevent detonation.

Problem: Transmission problems

Possible Causes

Low transmission fluid
Faulty transmission fluid pump
Worn transmission gears
Faulty transmission bands
Faulty transmission clutches

Symptoms

The transmission won’t shift gears.
The transmission shifts gears hard or erratically.
The transmission makes a grinding noise.
The transmission leaks fluid.

Recommended Solutions

Check the transmission fluid level and add fluid if needed.
Replace the transmission fluid pump if it is not working properly.
Replace the transmission gears if they are worn.
Replace the transmission bands if they are worn.
Replace the transmission clutches if they are worn.

Problem: Electrical problems

Possible Causes

Faulty alternator
Faulty battery
Loose or corroded wiring
Faulty starter solenoid
Bad ground connection

Symptom

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