Question about 1998 Saturn SL
Squealing is commonly caused by a loose slipping belt, something a serpentine tensioner usually prevents.
To rule the belt out, apply some belt grip (available at auto parts stores) to the belt and pulleys. Then run the vehicle checking for a difference.
I have a feeling there won't be much of one. That means a bearing is making the noise.
Open the hood, have a helper rev the engine. Listen and try to locate which component (alternator, water pump, etc.) is doing the squealing.
Once located, it will eventually need to be replaced. The noise is the first sign of failure. If its the water pump, look for signs of leakage. On any of them, check for play in the pulley.
Remember to check the idler and tensioner pulleys.
Click the ASK button for additional questions or how to proceed once the problem is found.
Posted on Oct 10, 2008
I would have to say that the timing belt is worn and stretched out for normal wear and tear. The check engine light is probably for the same reason. If the timing belt is not quite right it will throw a timing code for the camshaft being out of sync due to the excess slack that is in the timing belt.
Posted on Sep 22, 2008
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Posted on Jan 02, 2017
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