The 2005 Subaru Legacy does have a timing belt. You will come into many issues with an engine. A gasket may be loose and that needs to be tightened up quickly. You can have oil leaks and those need to be fixed as soon as possible. A spark plug may pop off, causing engine trouble. A dire problem is the engine overheating. This may lead to car fires and the vehicle exploding. There could be excessive oil use, requiring the oil to be changed quickly Your air filter needs to be changed every 15,000 to 30,000 miles. The coolant needs to be changed every 60,000 miles. The spark plugs need to be changed every 100,000 miles or so unless it's a copper one. A cooper spark plug needs to be changed every 30,000 miles or so.
Dallas E
July 16, 2020
The 2005 subaru legacy has a timing belt.There is no timing chain.
Carl D.
August 29, 2019
The 2005 Subaru Legacy 's boxer engine uses a timing belt. According to Subaru the timing belt needs to be inspected every 30,000 miles and replaced every 105,000 miles.
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