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Re: Does the timing belt need to be changed?
There is no real way of telling as there are cords buried in the rubber of the belt that break.Toyota says to replace it every 90,000 mi..I have seen them last longer but that would be your call.If you get it done you should also change the drive belts as they have to take them off and on anyway and you should only have to pay the parts.That is if they are original.Thanks for using fixya
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Typically any timing belt replacement interval is 60k-75k miles. The book will however tell you 90k. Now it depends on what engine your Avalon came with. The 3.0 is a non interference engine meaning if it does snap, it will not cause any damage to your engine. The 3.5L engine however i dont know if its a interference engine or not but i dont see anywhere where it says it is. As always suggested, change your water pump as well, as it runs off the timing belt. Once i didnt change the water pump and a week later it locked up on me and ruined my perfect new timing belt. Truth be told :) lol
Most timing belts last from 70000 to 120000 miles, so I really don't think you need to worry about a timing belt. If the car starts right up and doesn't hesitate or bog down when running, then the fuel pump is good as well. The only things that would require replacement at this mileage are the air filter and the inline fuel filter. Sounds like someone is out to make a fast buck or two off you.
HI- Most manufacturers reccomend replacement at 90k, 180k, etc. Variables include other parts that may need replacing during these belt changes. Water pumps and timing belts should be purchased from the DEALERSHIP, regardless of who does work. This is proper, normal cost of maintaining your sequoia. Complete inspections and labor should be completed by mechanic familiar w/Toyota vehicles. Parts may run 150-250$. Labor depends on who ya know.- Hope this helps- Thanks- ED
At you mileage, I say its due, not worth risking it breaking and bending the valves, also recomended changing are the water pump, timing belt tensioner, and idler for teh regular belts
Probably cost around $500 - $750