DIY log splitter repair

If your log splitter isn't working, don't dig out the ax or maul. Whether your log splitter won't start or it's leaking fluid, Sears PartsDirect has the troubleshooting guidance to help you diagnose the problem—just click on one of the symptoms below to learn about the most common repair.

Once you figure out what the problem is, use our step-by-step repair guides to fix your log splitter. Our articles offer great advice for maintaining your log splitter so you get the best possible results from your equipment. To find the owner’s manual or a complete list of replacement parts for your log splitter, search for your model number.

Log Splitters
Symptoms common to all log splitters

Choose a symptom to see related log splitter repairs.

Main causes: dirty carburetor, stale fuel, bad spark plug, broken recoil starter
Main causes: broken pump coupler, clogged hydraulic fluid filter, bad hydraulic control valve, broken hydraulic pump, bad hydraulic cylinder
Main causes: leaky head gasket, damaged sump gasket, leaky oil drain plug, damaged fuel line, bad carburetor seals
Main causes: dirty carburetor, bad spark plug, clogged air filter, stale fuel
Main cause: worn hydraulic pump seals
Main cause: worn hydraulic cylinder seals
Main cause: worn hydraulic valve seals around the actuator rod
Repair guides common to all log splitters

These step-by-step repair guides will help you safely fix what’s broken on your log splitter.

March 1, 2013
By Lyle Weischwill
How to replace a log splitter carburetor

The carburetor mixes air and gas before the fuel mix goes to the engine. If the engine won't start and the spark plug is getting spark, the carburetor is likely the problem.

Repair difficulty
Time required
 30 minutes or less
How to replace a log splitter flexible pump coupler

The flexible nylon pump coupler deteriorates over time. Replace the flexible pump coupler if it begins to vibrate or rattles, which are early indications that it’s failing.

Repair difficulty
Time required
 30 minutes or less
March 1, 2013
By Lyle Weischwill
How to replace a log splitter recoil starter

The recoil starter spins the engine on the log splitter when you pull the starter rope, and the rope retracts when released. If the recoil starter assembly is broken, follow the steps in this repair guide to replace it.

Repair difficulty
Time required
 15 minutes or less
Articles and videos common to all log splitters

Use the advice and tips in these articles to get the most out of your log splitter.

November 1, 2015
How to maintain the hydraulic system in a log splitter
By Sears PartsDirect staff

See how to properly maintain the hydraulic system in your log splitter.

June 1, 2015
How to change the hydraulic fluid in a log splitter
By Sears PartsDirect staff

Learn how to change the hydraulic fluid in your log splitter.

June 1, 2015
Log splitter common questions
By Sears PartsDirect staff

Learn more about your log splitter with these frequently asked questions.