Engine loud screeching sound

2001 MERCURY MARQUIS
110,000 MILES • V8 • 2WD • AUTOMATIC
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SHORTY3
  • MEMBER
  • 2 POSTS
Loud screeching sound but not all the time.
Jul 12, 2019 at 5:37 AM
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SCGRANTURISMO
  • ✓Experienced Mechanic
  • 4,897 POSTS
Hello,

When does your vehicle make the screeching noise? Is it when you apply the brakes? Please get back to us and we can go from there.

Thanks,
Alex
2CarPros
Jul 12, 2019 at 7:12 AM
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SHORTY3
  • MEMBER
  • 2 POSTS
i had it fixed and it was the air intake valve. thank you
Jul 16, 2019 at 1:46 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,658 POSTS
Nice work, we are here to help, please use 2CarPros anytime.
Jul 18, 2019 at 2:47 AM
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