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A worn belt will cause a squealing noise. The squealing noise is caused when the belt slips. Tightening the belt will temporarily fix the problem.
chain
"Squealing" is usually from the belt or brakes. use belt conditioner to stop a squealing belt.(usually sold at walmart) you can probably figure out how to stop squealing brakes. but if not they need to be replaced. people need to start reading those owners manuals the car comes with.
Replace the belt.
The belt has worn on the edges and creates friction which causes squealing. Also, sometimes when a belt is cold it will squeal.
Nope.
As I know Elantra 2007 (HD) with 1.6 engine (Gamma 1.6D) has chain timing train not the regular belt like 2.0 version with BETA 2.0D engine.
PUT A NEW BELT ON IT
Change the belt
Insert -> Eject belt within 3 seconds. It should disable chimes until you turn off engine.
Yes. A vehicle can be driven with the belt squealing. Since a mechanic with a wrench and a crowbar can fix it in 2 minutes, I have no idea why anyone would tolerate it!
I have a 2002 Elantra and the timing belt was changed by the dealer at 60,000 per the maintenace schedule.