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How do I test the hydraulic roller lifters in my engine?
I’m a DIY mechanic, but I’ve come across an issue I’ve never seen before. There was a tapping sound coming from my engine. At first I thought it was oil, but someone suggested I check out the hydraulic roller lifters. How do I test the hydraulic roller lifters and rule this out?
Matt Terzi · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
We love hearing that people are DIY mechanics. It’s a fun hobby and a great way to save money on car repairs! Let’s explore how to test hydraulic roller lifters and what you can do if they’re faulty.
Properly testing hydraulic roller lifters requires hardware most DIY mechanics won’t own. But if your engine is already taken apart and the lifters are accessible, you could try bleeding them by working them inside a container of distillate. If you inspect the lifters and they look worn out or cracked, you’ll need to replace them.
The prices of new lifters will vary from one engine to the next. You could pay as little as $10 or as much as $1,000, or maybe even more. For most cars you’ll end up spending around $50 to $200. Which beats the price of taking it to a shop, where you could spend $2,500 or more getting your hydraulic roller lifters replaced.
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