A ticking or tapping noise coming from your engine could mean you have a noisy lifter—a common issue, especially in older or high-mileage vehicles. While this sound can be irritating, it may also point to a deeper mechanical problem if left unchecked.
Many different products on the market claim to do this, but not all can deliver as promised. (Check my latest guide on the best additives that quiet a noisy engine)
In this post, we’ll walk you through what causes noisy lifters and the most effective solutions to quiet them down.
Also: Power Steering Pump Pulley Noise: Causes and Effective DIY Fixes

Common Causes of Noisy Lifters
Lifters, also known as hydraulic tappets, are crucial components in your engine’s valve train. Their job is to maintain zero valve clearance, which keeps the engine running smoothly and quietly. When lifters become noisy, here are the most common reasons:
1. Dirty or Contaminated Oil
Old or contaminated engine oil is one of the most common culprits. Dirty oil can clog the tiny oil passages that feed the lifters, reducing lubrication and causing that ticking sound.
2. Low Oil Levels
If your engine oil is too low, the lifters won’t receive adequate lubrication, leading to metal-on-metal contact and increased noise.
3. Worn Lifters or Camshaft
Over time, lifters and camshaft lobes can wear out. Once worn, they no longer operate smoothly, which can cause persistent tapping noises.
4. Improper Oil Viscosity
Using oil that’s too thick or too thin for your vehicle can prevent proper lifter operation. Always refer to your vehicle’s manual for the correct oil type.
5. Air in the Lifter
Sometimes air can get trapped in the hydraulic lifter, which prevents it from maintaining the right pressure. This is usually the cause of intermittent lifter noise, especially after an oil change.
Solutions to Quiet Noisy Lifters
Now that you know what causes the noise, let’s look at the best ways to fix and quiet noisy lifters:
1. Change Your Engine Oil and Filter
Start simple. Drain the old oil and replace it with high-quality oil recommended by your vehicle manufacturer. A fresh oil filter will also help ensure better oil flow to the lifters.
Bonus Tip: Add an engine flush before your oil change to remove any sludge buildup.
2. Use a Lifter-Specific Oil Additive
There are oil additives designed specifically to quiet noisy lifters. These products work by cleaning lifter components and improving lubrication, which can reduce or eliminate ticking.
Bonus Tip: Look for additives labeled “lifter noise treatment” or “hydraulic lifter additive.”
3. Adjust or Replace the Lifters
If lifter noise persists after maintenance, you may need to inspect and adjust the lifters—or replace them if they’re worn. This job is more complex and may require a mechanic’s help.
Bonus Tip: If you’re already replacing lifters, inspect the camshaft for wear too, as they often wear together.
4. Check Oil Pressure
Low oil pressure can starve lifters of lubrication. If you suspect this issue, test your oil pressure with a gauge. Low readings might point to a failing oil pump or internal engine wear.
Bonus Tip: Consistently low pressure can lead to more serious damage—don’t ignore it.
5. Use Proper Driving Habits
If your lifters are still functioning, changing your driving habits may help. Avoid cold revving and allow your engine to warm up before hard acceleration.
Bonus Tip: Frequent short trips can cause oil sludge buildup. Take longer drives occasionally to let your oil cycle completely.

What Is The Best Product To Quiet Noisy Lifters?
One of the best products to quiet a noisy lifter is engine oil. If you have not changed your oil for a while, some fresh oil can make all the difference in lifter noise and overall engine performance.
Mobil, Castrol, Valvoline, and Shell have a huge selection of top-rated engine oils that will do your engine a lot of good.
One of my most recommended oil additive in this case is Archoil AR9100 Oil Additive (16oz) for All Vehicles.

Since they work to dislodge dirt in the engine, additives will effectively remove whatever buildup prevents the lifters and other parts of the engine from working correctly.
Will Synthetic Oil Quiet Noisy Lifters?
If you have been using conventional oil, it is customary to wonder if changing to the synthetic one will quiet your noisy lifters. Yes, as highlighted above, synthetic oil can help quiet noisy lifters. However, this depends on what is causing the noise.
If you have not changed your engine oil for a while, a good synthetic oil may quickly resolve the noise issue.
You may need to drive a few miles to get the desired results. However, if the lifters are broken or worn out, no oil will resolve the problem.
When switching to synthetic oil, it is always wise to listen to your mechanic’s advice or someone familiar with how the engine work. The last thing you want is to switch to synthetic only to discover that the oil negatively affects your engine’s performance.
However, synthetic oils primarily work just like their conventional counterparts. They don’t cause any significant change in the engine, and you will experience no problem with them.
Final Thoughts on How to Quiet Noisy Lifters
The above solutions will come in handy when you want to quiet noisy lifters. Whatever is causing the noise, you can rest easy knowing that the problem is solvable.
Just like with other engine parts, noisy lifters need to be fixed to prevent further damage. That click you ignore may grow into something that will cost you thousands of dollars to fix.
However, unless yours is an old car, an oil change and additives will quiet a noisy lifter. If the problem persists after these solutions, your mechanic will quickly diagnose and rectify the problem.
Meet Mike O’Connor, (a DIY enthusiast), living in Cincinnati, a city ranked as the noisiest in the USA.
As a work from home dad, I have a first hand experience of how noise can truly affect your well being.
Soundproofing isn’t something that should be taken as a hobby, it should be a skill that every homeowner should be equipped with.
Most of the work documented on this blog comes from purely first hand experience, and the products recommended work as indicated.


I WAITED TOO LONG TO TREAT A NOISY VALVE ON ON MY 1985 RV AND NOW I HAVE A BURNED OUT VALVE ON #8 CYLINDER.