2004 Kia Rio knocking sound when engine gets hot

Asked by Hymran Aug 31, 2015 at 06:16 PM about the 2004 Kia Rio Base

Question type: General

2 Answers
188,465

Paul answered 8 years ago

What happens as the oil get hot in the engine it can lose its lubricity and any part that is marginal may start to act up. Not a fix, just a patch, change you oil and use a slightly thicker oil, and add some Lucas oil additive. Good Luck

Mark helpful
44,875

jamnblues answered 8 years ago

As the oil heats up, it gets thinner- wouldn't surprise me if you have worn engine bearings- but I would have to hear the "knocking sound" to tell you for sure- but it "sounds" like it's time for a new car- and something other than a Kia, please-

Mark helpful

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