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Why is my Jeep 4.0L making a ticking noise?

I have a Jeep with a 4-liter engine and lately, it's been making a weird ticking sound. Is that normal? What causes a ticking noise in a Jeep engine?

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Brittni Brinn · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Your Jeep’s 4.0L engine may be making a ticking noise for a variety of reasons, the most likely culprit being a low oil level. But if changing out your oil doesn’t solve the problem, it could be something more serious.
Here are some other common causes of a ticking noise in your Jeep’s 4.0L engine:
  • Cracked exhaust manifold
  • Worn lifters
  • Worn belt tensioner
  • Wrong air filter
  • Dried-out oil pump
  • Ignition system issue
Ticking sounds in older engines or on cold days have been commonly reported by Jeep drivers. If you aren’t able to pinpoint the cause, you may have to call your mechanic.
While you’re waiting to hear back from your mechanic, you can burn some time by updating your
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