pitomitz Posted May 7, 2010 Report Share Posted May 7, 2010 I bought a 99 deville recently and have many issues I will have to fix(already fixed some stuff)including the p0741. I noticed that when I start the car right after the car starts it makes a screeching sound for about 2 seconds and I can feel like something is grinding and then it goes away. so my question is if anyone with the p0741 issue had a similar experience with that sound oe is this totally a different issue not connected with the p0741 issue. Note this only when i start the car. Also should I change the coolant or do a complete flush? Thanks Al Link to comment Share on other sites More sharing options...
Ranger Posted May 8, 2010 Report Share Posted May 8, 2010 That code should have nothing to do with a screeching noise. Check your belt pulleys. All you should need is to drain and refill, 50/50 Dex and distilled water. Link to comment Share on other sites More sharing options...
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