Need to know for routine maintenance..
My car has 51000 miles.
My car has an automatic transmission.
Hi there - the "simplified maintenance guide" from Chevy directs you to replace the timing belt, idler pulleys, tensioner and guides on your 1.8 liter engine "every 3 years or at 97,500 miles, whichever comes first". Most manufacturers do not specify an "aging factor" like this, although ozone does cause rubber to deteriorate over time.
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