John Deere X370 Problems

The John Deere X370 lawn tractor comes with innovative features such as a 42-inch Accel Deep deck, Power Steering, MulchControl system and heavy-duty frame.

Like every lawn tractor, it is not without technical flaws. The lawn tractor might develop some problems such as engine problems, electrical system problems and transmission problems.

In this article, I reveal 8 John Deere X370 problems and practical fixes to get your lawn tractor working again.

John Deere X370 Problems, Causes, and Possible Solutions

Before I go into details, let’s look at some common John Deere X370 problems and their possible solutions:

Problems	Possible Solutions
1. John Deere X370 Mower Deck Problems	Empty the grass bag. Clean the mower deck Check and replace the defective blade. Check and adjust the deck to the required height. Replace the tractor blades. Inflate the tractor tires. Level your mower deck. Replace worn sheaves and belts Check and adjust your pulleys and belts. Remove clogs from your deck and sheaves. Balance the blades.
2. Engine Problems	Check and clean debris from the fuel system. Replace the defective spark plug Fill the tank with fresh gas Replace the clogged fuel filter Replace the bad sensor Change the old belt. Replace any clogged fuel or air filter. Check for corroded connections and contact an expert to fix it Check the injectors and change them if they are leaking. Check for clogs in the intake valves and clean those parts or change broken or worn intake valves.
3. John Deere Electrical System Problems	Check and clean the connections. Change your mower battery. Replace the faulty starter. Charge the battery. Clean contacts Check and replace the blown main fuse.
4. Steering Problems	Replace the loose bolt. Change the worn bushings.
5. John Deere X370 A/C Problems	Inspect the system’s fluid levels often and replenish when necessary. Clean the lawn tractor’s filters.
6. Switch Problems	Clean the filters and gauges Inspect the wirings and connection and seek the help of a professional to fix the issue. Replace defective switches
7. Transmission Problems	Change the fluid.
8. John Deere X370 Belt Problem	Adjust belt tension Replace the worn-out belt. Clean or replace your pulley.

1. John Deere X370 Mower Deck Problems

A dysfunctional John Deere X370 mower deck can cause your tractor to leave uncut grass, vibrate, and cut unevenly. Here is an overview of John deere X370 mower deck problems:

John Deere X370 Leaving Uncut Grass

If there is debris build-up in your mower deck, your lawn tractor can leave uncut grass while you mow. 

Furthermore, factors such as damaged blades and a full bagger can also contribute to this problem.

Causes

• The grass bag is too full
• Deck is clogged
• Damaged blade
• The mower deck is low

Fix

• Empty your grass bag.
• Clean the mower deck
• Check and replace the defective blade.
• Check and adjust the deck to the required height.

Uneven Cut

Your lawn tractor can cut unevenly if the tires are not well inflated or the mower deck isn’t leveled properly. In this case, the mower may leave a ragged yard appearance.

Causes

• Bent blades.
• Low tire inflation
• The mower deck is not leveled properly

Fix

• Replace the tractor blades when necessary.
• Inflate the tractor tires.
• Level your mower deck.

Vibration Problems

If your X370 model is vibrating abnormally, you need to figure out the cause by checking if there is debris in the deck. You can also check other parts like sheaves, pulleys and blades.

Causes

• Worn sheaves or belts
• Pulleys and belts are out of centering.
• Debris on the deck or in the sheaves
• Blades are out of balance.

Fix

• Replace worn sheaves and belts
• Check and adjust your pulleys and belts.
• Remove clogs from your deck and sheaves.
• Balance the blades.

2. Engine Problems

Some engine problems that are associated with your John Deere X370 lawn tractor include:

Kawasaki Engine Does Not Start

If your engine does not start, you need to check components such as a fuel filter, spark plug, fuel system, carburetor and fuel tank to fix the issue.

Causes

• Dirt and debris in the fuel system
• Faulty spark plug
• No gas in the tank
• Clogged fuel filter

Fix

• Check and clean debris from the fuel system.
• Replace the defective spark plug
• Fill the tank with fresh gas
• Replace the clogged fuel filter

Engine Rev Problems

This is another problem that may occur in the engine of your John Deere lawn tractor. If you accelerate to the point where it reaches its maximum potential, the engine may stop working after revving up for some second.

Cause

• Bad sensor

Fix

• Replace the bad sensor with a new one.

Engine Shudders

Your tractor engine can shudder due to faulty engine wiring, clogged air or fuel filters or old belt.

In this case, the engine will start when you turn the key but it may quickly tremble and cut out if you leave it running. 

Causes

• Old belt
• Clogged fuel and air filters
• Corroded connections

Fix

• Change the old belt.
• Replace any clogged fuel or air filter.
• Check for corroded connections and contact an expert to help you fix it

Excessive Fuel Consumption

Some users reported that the lawn tractor consumes a lot of fuel after a certain number of hours. 

It is important to check the tractor’s hydraulics and also inspect if the valves are working properly.

Causes

• Leaking injectors 
• Clogged/broken/worn intake valves

Fix

• Ensure that you check the injectors and replace them if they are leaking.
• Check for clogs in the intake valves and clean those parts. In addition, change broken or worn intake valves.

3. John Deere Electrical System Problems

Your John Deere lawn mower can encounter electrical system problems and this can affect its performance. Here are some of the electrical problems that your X370 model may encounter:

The Battery Does Not Charge

The mower battery may not hold a charge due to defective battery cells or poor connection between the cable and the battery pole.

Causes

• Poor connection between the cable and the battery pole.
• Defective battery cells

Fix

• Check and clean the connections.
• Change your mower battery.

Starter Will Not Work or Turn the Engine

This is another problem that can occur in the tractor’s electrical system. If you notice that your starter does not function properly, it might be due to a blown fuse, low charging voltage or the starter being damaged itself.

Causes

• Damaged starter
• Low charging voltage
• Corroded or heated-up terminals
• Blown main fuse

Fix

• Replace the faulty starter.
• Charge the battery.
• Clean contacts
• Check and replace the blown main fuse.

4. Steering Problems

You may find it difficult to steer your John Deere X370 lawn tractor due to a bolt that has become loose. 

In some cases, the bushings that hold your pinion gear in place may become worn due to excessive friction. This can cause the gear not to engage well.

Causes

• Loose bolt
• Worn bushings

Fix

• Replace the loose bolt.
• Change the worn bushings.

5. John Deere X370 A/C Problems

Several John Deere X370 users complained that they had issues with the lawn tractor’s air conditioner. 

The likely cause of this problem is the accumulation of debris and dirt in the filters. It can also be a result of an overheated unit.

Cause

• Unit overheats
• Dirt or debris in the filters

Fix

• Inspect the system’s fluid levels often and replenish when necessary to prevent the unit from overheating. 
• Make sure that you clean your lawn tractor’s filters.

6. Switch Problems

This is also one of the problems of the John Deere X370 lawn tractor. Common reasons for this problem include defective switches, dirty filters and dysfunctional wiring and connections. This can affect the functionality of the John Deere X370 model.

Causes

• Dirty filters and gauges
• Dysfunctional wiring and connections
• Defective switches

Fix

• Open your hood and clean the filters and gauges
• Inspect the wirings and connections if the gauge stops working in very cold or hot temperatures. Get a professional to fix the issue.
• Replace defective switches

7. Transmission Problems

This Is one of the common problems with the X370 model. To keep the transmission running smoothly, you need to check if the transmission fluid is at its right level. 

If it gets low, it can affect the performance and functionality of the lawn tractor.

Cause

• Low fluid level

Fix

• Change the fluid if it is dirty or it smells like a burnt substance.

8 John Deere X370 Belt Problem

If the tractor’s belt slips, the most likely causes include improper belt tension or a worn belt. This can disrupt the mowing process. 

Causes

• Improper belt tension
• Worn out belt
• Dirt in the pulley

Fix

• Adjust belt tension
• Replace the worn-out belt.
• Clean or replace your pulley.

Frequently Asked Questions 

Conclusion

Some problems that the John Deere X370 may develop include steering problems, belt problems, engine problems, and electrical system problems.

You can identify the cause of these issues and fix your John Deere lawn tractor by following our troubleshooting guide outlined in this article. It is best to seek the help of a professional if the problem persists.