10 Common Dewalt 20v Chainsaw Problems (With Fixes)

Struggling with your Dewalt 20v chainsaw? You’re not alone! 

Like any tool, it can run into issues that disrupt your work. 

In this guide, we’ll cover 10 common Dewalt 20v chainsaw problems and their fixes, so you can get back to tackling your tasks with confidence. 

Let’s make those chainsaw troubles a thing of the past!

Dewalt 20v Chainsaw Problems (Short Overview)

The Dewalt 20v chainsaw is a reliable tool, but it’s not perfect. 

Common issues include the chainsaw not starting, chain tension problems, or the battery running out too quickly. 

Don’t worry most of these issues are easy to fix with proper maintenance and quick adjustments, so you can get back to work fast!

Read 10 Common Problems With Fixes In Easy Ways…

dewalt 20v chainsaw problems

1. Chain Won’t Tighten 

One common issue with the Dewalt 20v chainsaw is the chain not tightening properly. This can be frustrating, as a loose chain can affect performance and safety. 

Causes 

  • The tensioning screw might be stripped or damaged. 
  • Debris buildup around the bar or chain could be preventing proper adjustment. 

Fixes 

  • Inspect the tensioning screw and replace it if worn out. 
  • Clean the bar and chain area thoroughly to remove dirt and debris. 
  • Ensure the chain is installed correctly and not worn, as this can impact tensioning.

2. Battery Draining Quickly 

A common issue with the Dewalt 20v chainsaw is the battery draining faster than expected, which can disrupt your work and reduce efficiency.

Causes 

  • Using the chainsaw on heavy tasks beyond its capacity. 
  • Operating with a partially charged or old, worn-out battery. 
  • Exposure to very hot or cold conditions, which impacts battery performance. 

Fixes 

  • Fully charge the battery before each use and avoid overloading the tool. 
  • Consider upgrading to a higher-capacity battery for longer runtime. 
  • Use the chainsaw in moderate temperatures and store the battery in a dry, climate-controlled area. 

3. Chainsaw Won’t Start 

If your Dewalt 20v chainsaw won’t start, it can be frustrating, but there are common reasons behind this issue.

Causes 

The most common reasons for a Dewalt 20v chainsaw not starting include a drained or faulty battery, dirty or clogged air filters, or old, thick chain oil that affects performance.

Fixes 

Start by charging or replacing the battery and cleaning the air filter with a soft brush. Replace the chain oil with fresh, manufacturer-recommended oil. 

These quick fixes can have your chainsaw back in action in no time!

4. Overheating During Use 

Using the Dewalt 20v chainsaw for extended periods can sometimes lead to overheating. This issue not only impacts performance but may also cause safety concerns if left unaddressed.

Causes of Overheating 

  • Running the chainsaw continuously without breaks 
  • Blocked air vents preventing proper cooling 
  • Low or improper chain oil leading to excess friction 

Fixes for Overheating 

  • Take regular breaks during extended use to allow the chainsaw to cool down. 
  • Clean the air vents to ensure proper airflow. 
  • Check and refill the chain oil regularly to reduce friction and improve performance. 

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5. Chain Slipping Off 

A common issue with the Dewalt 20v chainsaw is the chain slipping off during use, which can disrupt your work and be frustrating.

Causes: 

  • Loose chain tension 
  • Worn-out bar or chain 
  • Improper installation of the chain 

Fixes: 

  • Regularly check and adjust the chain tension to ensure it’s neither too tight nor too loose. 
  • Inspect the bar and chain for wear, and replace them if necessary. 
  • Make sure the chain is installed correctly following the user manual. 

6. Poor Cutting Performance 

If your Dewalt 20v chainsaw isn’t cutting efficiently, it could be due to a dull or damaged chain, improper chain tension, or insufficient lubrication.

These issues can make cutting slow, uneven, or challenging, reducing the chainsaw’s overall effectiveness. 

Causes: 

  • Dull or worn-out chain. 
  • Incorrect chain tension. 
  • Low bar and chain oil levels. 

Fixes: 

  • Sharpen or replace the chain if it’s dull or damaged. 
  • Adjust the chain tension according to the user manual. 
  • Check and refill the oil reservoir to ensure proper lubrication. 

7. Motor Not Running 

If your Dewalt 20V chainsaw isn’t running, it could be due to simple issues or more complex problems. Start by checking the battery to ensure it’s fully charged and properly connected.

Causes:

  • Low or dead battery
  • Loose or faulty connections
  • Damaged motor or switch

Fixes:

  • Fully charge the battery and reattach it securely.
  • Clean the chainsaw thoroughly to remove debris.
  • If the motor or switch is damaged, contact Dewalt customer support or seek professional repair services.

7. Oil Leaking Issue 

One common problem with the Dewalt 20v Chainsaw is oil leakage, which many users encounter during or after use.

Causes 

  • Storing the chainsaw at awkward angles can lead to oil leaking. 
  • A blocked oil cap vent can create pressure, pushing oil out unexpectedly. 

Fixes 

  • Always store the chainsaw upright to prevent oil from seeping out. 
  • Check and clean the oil cap vent regularly to maintain proper flow. 

8. Reduced Battery Life 

One common issue with the Dewalt 20v chainsaw is reduced battery life, which can interrupt work and lower productivity. 

Over time, batteries may lose their ability to hold a full charge due to frequent use or improper maintenance. 

Environmental factors, like extreme cold or heat, can also impact battery performance. 

Cause 

  • Frequent charging without proper discharge 
  • Exposure to extreme temperatures 
  • Natural wear and tear over time 

Fixes 

  • Allow the battery to cool down before recharging 
  • Store and use batteries within recommended temperature ranges 
  • Regularly check for signs of wear and replace old batteries as needed

10. Loud Unusual Noise 

If your Dewalt 20v chainsaw is making loud or strange noises, it could be a sign of a problem. The noise might come from a loose chain, a worn-out sprocket, or lack of proper lubrication. 

Ignoring these sounds can lead to further damage, so it’s important to act quickly. 

Causes 

  • Loose or improperly tensioned chain 
  • Worn sprockets or parts 
  • Insufficient lubrication 

Fixes 

  • Check and adjust the chain tension regularly. 
  • Inspect the sprockets and replace them if worn out. 
  • Ensure the chainsaw is properly oiled to reduce friction and noise. 

 

 

FAQs

What is the price of the Dewalt 20V Chainsaw? 

The price of the Dewalt 20V Chainsaw varies, but it generally ranges between $150 and $300, depending on the model and included accessories. 

Are Dewalt cordless chainsaws any good? 

Yes, Dewalt cordless chainsaws are highly rated for their reliability, performance, and user-friendly design, making them a great choice for light to medium-duty tasks. 

What is the difference between Dewalt 20V MAX and 20V? 

The “20V MAX” branding represents the maximum initial battery voltage under no load, whereas “20V” is often a general term; both typically refer to the same Dewalt battery series. 

How long is the Dewalt 20V chainsaw? 

The Dewalt 20V chainsaw typically features a 12-inch bar and chain, ideal for smaller cutting tasks. 

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