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2011 Chevrolet Impala LS Retail 4dr Sedan

2011 Chevrolet Impala
Trim Info:
Front Wheel Drive, 4 Door Sedan, Large
19 mpg city / 29 mpg hwy
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April 22, 2013, 3:41 am

James S

Question: soft tick at idle warm and cold

Impala ss 100000 miles. no power loss. The sound does have a rhythm to it but barely heard from a 5 feet from car. The sound does go away when brought to more than an idle. no check engine light. I have kept up with oil changes and check oil on fill up. I've own car for 6 months bought it with around 95000 on it. im worried it might be a lifter but does not as loud or change rhythm with rev. i just want to know if i should be concerned.

April 28, 2013, 9:21 am

Ron W
Expert Mechanic

It’s really hard to diagnose this type of problem long distance. You'll need to have a mechanic listen to it to actually isolate what the noise is.

From your description, it sounds like it may be a lifter starting to make noise. Make sure you are using the correct weight oil as to heavy an oil can cause this type of issue esp when the car is cold.

You might want to have a shop listen to it. That would be the best way to determine if it is something to be concerned about.

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