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What type of oil does a 2008 Chevy TrailBlazer 4.2 require?
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3 answers
★ Top Answer
In 2008, the Chevy TrailBlazer 4.2 takes SAE 5w-30 full synthetic oil with a capacity of 6.9 quarts including the filter. This oil lubricates engine parts, removing dirt and impurities to ensure smooth vehicle operation. Expect to pay $170 to $230 for an oil change for your Trailblazer, which should be done every 7,500 miles. Signs you need an oil change while driving include engine noise, a ticking engine, transmission issues, idling shaking, and poor fuel economy. Look out for exterior signs like smoke from the exhaust or oil leaks when parked.
More answers
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I experimented with synthetic blend and full synthetic oils, but my truck performs best with conventional 5W30 motor oil. I noticed that when I switched to synthetic oil, I could hear lifters tapping in my truck and it also affected how the transmission shifted while driving.
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The 2008 Chevy Trailblazer 4.2L requires a 5w-30 high mileage motor oil for optimal performance.
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