There is a grinding noise when idling and going slow that disappears when I go fast

Tiny
JROXX1121
  • MEMBER
  • 2003 FORD F-150
  • 145,000 MILES
I have the truck listed above 4x4 that runs and shifts great but makes a grinding noise when idling and going slow but disappears when I go fast. Is it going to burn out or breakdown? I checked the fluid and it was good and there are no leaks. Is it safe to drive? Transfer case?
Tuesday, April 23rd, 2013 AT 4:44 PM

2 Replies

Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Follow the noise to as close as you can get. Use a long screwdriver and hold it to your ear and listen. Check various components that are near the noise. By using the screwdriver when you get near the noise you will know words coming from. Just let it idle until you find it. We can start here
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Tuesday, April 23rd, 2013 AT 5:41 PM
Tiny
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Why you think it's in the transfer case? Does it have a manual shift transmission?
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Tuesday, April 23rd, 2013 AT 5:44 PM

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