Blog Post


Spool Valve Oil Leak in Honda Odyssey & Pilot 

Spool Valve Oil Leak in Honda Odyssey & Pilot | Enright Automotive in Alexandria, OH. Image of an oil leak under a car.

The Honda Odyssey and Pilot are popular family vehicles quite known for their reliability and spacious interiors. 

However, some owners have reported issues with the vehicles’ spool valve seals, which can lead to oil leaks. This problem can be a nuisance for drivers, as it can result in reduced performance and costly repairs if left unaddressed.

Fortunately, Enright Automotive can help. We specialize in all things associated with Hondas and Acuras

Let’s look closer at the spool valve leaking issue with the Honda Odyssey and Pilot. 

What Is a Spool Valve?

The spool valve is a common component used across several industries. In automobiles, it uses a spool to regulate the flow of the energy source by either switching or combining the oil’s travel path. 

Spool valves are available in a vast range of configurations. Some have various ports and can regulate multiple aspects of the transmission simultaneously. 

Due to the number of parts and components of a spool valve, it’s pretty common to have a leak.

Spool Valve Leak or Valve Cover Leak?

Over time, the seals around the spool valve can wear out, leading to oil leaks. This oil leak is prevalent on the Honda 3.5 V6s and generally impacts VCM motors with cylinder management. 

At Enright Automotive, we often see the oil leak from a spool valve misdiagnosed as a valve cover leak. It’s one of the most common misdiagnoses among Honda Odyssey and Pilot. 

Spool Valve Oil Leak – What to Do?

If you see oil leaks, it is crucial to have the issue addressed as soon as possible. Failure to diagnose the cause correctly and address the issue promptly can cause you to purchase unnecessary parts and pay for unnecessary repairs. 

If your mechanic suggests you have a leaking spool valve, you must immediately remedy the underlying problem. If you ignore the issue, the oil leak can drip onto your alternator and cause failure. 

Honda released a bulletin about the leaking spool valve causing damage to the alternator. Due to the issue’s prevalence, Honda will not warranty a bad alternator if it’s oil-soaked.

Avoid Leaking Spool Valve Misdiagnosis – Go to An Experienced Honda Repair Mechanic

Because spool valve oil leak is often misdiagnosed, you should only trust your car to an experienced Honda mechanic. They can diagnose the issue and replace the worn seals to restore things to proper function. 

It’s also imperative for the technician to use only quality replacement parts. We have found many aftermarket replacement gaskets to be unreliable and come back with leaks. The best and safest option is to replace the entire spool valve, gaskets, and other components.

If you want to protect your Honda and extend its life, regular maintenance and timely repairs are necessary. Failure to do such things can impact other parts, which can lead to additional part failure. 

The best solution: trust the experienced Honda mechanic at Enright Automotive. Call us at (614) 604-2806. Our shop is located at 7933 Jug St., Alexandria, OH 43001.


Looking for the Best Japanese Auto Repair in Alexandria, OH?

If your Honda or Acura needs repair or maintenance, you have many options in Alexandria, OH and nearby areas. But if you want the best service laden with transparency, integrity, and honesty, Enright Automotive should be your next stop! Our shop is located at 7933 Jug St, Alexandria, OH 43001.