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I just got done replacing my timing belt, water pump, tensioner, idler and alternator on my 2003 hyundai elantra gls. From other forums and youtube videos it showed to have tensioner at 5oclock position to twisting the belt 90 dgrees to pushing on the belt for firmness and not overly tight. My question is what is the proper way to tension the timing belt knowing too tight is just as bad as too loose or if any of the above techniques is good enough. When i took it for a test drive when i get to about 3000 rpms there is a whine and gets stronger as it increases but below that its fine. So is my tension on the timing belt too loose or too tight? My other option is to bring it to a mechanic maybe they have special tools that i have seen on other videos. Or am i over thinking it i dont know. Also idling on the vehicle is great no problems what so ever. Any info would be great thanks.
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Did you use an OEM belt. I ask because sometimes aftermarket belts are noisy. I’m not saying that this is a problem only that they can be noisy.
Whining means it’s too tight. I’ve made that mistake a couple times myself. Going down the belt off the right side of the cam sprocket, you should have at least 6mm or a ¼” of belt deflection. I can never remember anything precisely, so verify for yourself. I believe the spec was 6-10 mm of deflection If the timing component kit was any good, the directions should have also provided the spec.
Even better now that I’m thinking about it, Hyundai/Kia gives you free access to factory service manuals. Go to https://www.hyundaitechinfo.com/ and get yourself a user name and password. You’re on your own for the learning curve in how to navigate the site. I still fumble a little with it myself when I need it. You might have guessed it, https://www.kiatechinfo.com/ for any Kias you might feel like working on next.
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