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2.2 2.2l 2006 2007 2009 2010 @coby7 aftermarket air alarm alignment amp audio automatic battery black brakes bumper catback cel check engine light chevy chevy cobalt clutch cobalt cobalt lt coolant coupe custom debadge diy door downpipe electrical engine exhaust exterior for sale forum fuel fuel pump fuse gas gcobalt05 grill head unit header headlight headlights help help! hid ignition install installation intake interior k&n leak led lights lowering manual misfire mods muffler newbie no start noise oil paint problem problems radio red repair rims sedan sound speaker speakers springs steering steering wheel stereo stock subs subwoofer suspension swap timing chain tint tires transmission trim trunk tsudo turbo wheels wiring
  1. New Member Introductions
    bbbHello everyone. I'm here due to issues with my wife's 2010 Cobalt Lt with the 2.2l Ecotech engine. She recently had the timing chain snap and is VERY insistent that I get her car back on the road for her. I have all the parts to fix it, including a rebuilt head. Didn't see any damage to...
    timing chain
  2. Problems and Service
    What would cause the small rollers to break like this? 2008 LS with 30k since last time I rebuilt the engine to include replacing the chains. I don't remember the brand.
    timing timing chain timing chain whine
  3. Problems and Service
    '07 cobalt LS 2.2 L ecotec; 70K miles Car had chain noise on startup, so I decided to replace the tensioner. This was straightforward, until I took the old one out. It had come apart, and when the housing and spring were removed, the piston appears to have fallen. From what I've seen of this...
    tensioner timing chain
  4. Problems and Service
    '07 Cobalt LS, 70K miles ... which has what I suspect is chain noise: 'tinkling' after a cold start, that goes away after about a minute. (It also has a bad water pump, which is noisy with a listening stick. But, the water pump noise doesn't sound like the 'tinkling', IMO.) Thoughts: 1. If...
    tensioner timing chain
  5. Problems and Service
    Hello everyone. Hopefully this is the correct place for this. If not please let me know. I have a 2009 Cobalt LS XFE with 147,560 miles. I bought it about 5 years ago with 72,000 miles and have always performed routine maintenance (oil change every 3,000 miles, spark plugs, air filters, etc...
    rattle replacement startup tensioner timing chain
  6. Problems and Service
    Hey, Just replaced my waterpump after finding it damaged and now I am having a problem with overflow in the surge tank after running the engine at 2500rpm for about 3 mins. It doesnt look like the engines is overheating though. Its not a head gasket problem. After removing the heater core...
    balance shaft timing chain waterpump
  7. Problems and Service
    Just when I thought I had my cobalt sorted it starts making weird noises. Video link below. The noise seems to come from the timing chain area. I replaced the timing chain/guides/tensioner 12k miles ago, the car's at 127k now. I just took off the valve cover, there's no slack on the timing...
    2.2 engine noise timing chain
  8. Problems and Service
    I own a 2006 Cobalt LS with 70,000 miles of northern New York driving (Snow and salt). I have a front driver side wheel bearing going bad. My shocks are all in need of replacement too, and I though I might as well do the timing chain while the car is on jacks. The u joint on the intermediate...
    brakes bushings steering suspension timing chain
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