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Hendrikjan

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Everything posted by Hendrikjan

  1. I have 2016 Seirra with 6.2 90,000 miles. Oil recommend is 0w20. Because of the mileage I was thinking of going with synthetic 10w30, any comments
  2. I have 6.2 Sierra, about 95,000 mi. Want to replace the spark plugs, wiring and coils. Any recommends .
  3. Can the navigation system be updated in a 2016 SLT
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