The 2008 Chevy Impala does have a timing chain. You will come across many issues with an engine. A spark plug may come off, causing engine issues. A gasket may become loose and that needs to be tightened up. You can have oil leaks and those need to be repaired quickly. A really serious problem is the engine overheating. This may lead to fires and the car exploding. There could be excessive oil use, requiring the oil to be replaced sooner than expected. The coolant needs to be changed every 60,000 miles or so. Your air filter needs to be changed every 15,000 to 30,000 miles or so. The spark plugs need to be changed every 100,000 miles unless it's a copper one. A cooper spark plug needs to be changed every 30,000 miles.
Sam R.
August 29, 2019
The 2008 Chevy Impala comes with a timing chain. Though the chain is more durable than a belt, it can stretch. If you notice a ticking sound in the engine, get it serviced.
Eugene K
November 17, 2020
The 2008 Chevrolet Impala uses a timing chain which is more durable than a timing belt
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