Whether your timing region breaks, you Testament be facing expensive repairs -- so listen to how it runs, and bias it checked regularly.
Toyota recommends that Highlander owners exchange the timing belt at or encircling 90,000 miles. This can be a costly repair, on the other hand it is far less costly than repairing the damage that would happen to the engine whether the timing sash broke. While some cacophony is common from a timing cummerbund, listening to your engine can hand you avoid casual damage.
Causes of Belt Noise
Your Highlander's timing region has little holes in it, condign enjoy the holes in the belt that you wear. Teeth enter the grooves and Way out as the band turns, and Everyone duration a tooth enters or exits the girdle, the Stirring air compel creates a blare.
Over epoch, the bellow that your Highlander's cummerbund makes Testament practicable interchange. As the cummerbund ages, it Testament prosper cracks because of the directional vibrations that go through it. The pulleys that turn the belt will also move due to engine vibrations. This will cause friction as the belt and the pulley come into closer contact than they had when the car was new.
Tension
Over time, your Highlander's timing belt may lose its correct tension, which can lead to squealing noises. Have a mechanic check the belt's tension: If your belt is too loose, it will wear out sooner; if your belt is too tight, the components that it runs around will get more stress than they should, also leading to excess wear and tear.
If your Highlander's pistons and valves do not have sufficient clearance, your engine's valves may suffer permanent damage.
A mechanic can align the drives for you and keep your belt from wearing out prematurely.
Breakage
If your belt breaks, the engine will stop and will not start again.
