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  1. Problems and Service
    Copper coat the head gasket - yay or nay 2009 LS, 2.2 no mods Thanks guys!
  2. Problems and Service
    I have a 2006 Cobalt LS coupe, 2.2 Ecotec. Car runs fine, great mileage, smooth idle, etc. I have a 20-30 minute ride to work everyday, so, has plenty of time to reach operating temperature, etc. Problem is that at my last oil change, the tech noticed oil in my coolant reservoir and some...
  3. Problems and Service
    I have an 06 cobalt 2.2l, about a week and a half ago, the low coolant light started coming on after only driving for short distances, eventually without noticing, it started making a clanging noise so I stopped, got the dexcool, did everything and the next day, the light was back on. So a...
  4. Problems and Service
    found a leak, exhaust smoke was normal.
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