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2000 Ford Explorer thumping

Tiny
STRATMAN
  • MEMBER
  • 2000 FORD EXPLORER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 11,000 MILES
I have a Y2k Ford Explorer with 110K. After driving for about 10-15 min. I would stop at a light and hear a thumping noise. Same tempo, not very fast with about a second between thumps. After I shut off the car the thumping continues for about 15-20 seconds after the car is off. When I walk outside the car to deterime the origin is seems to be low in the engine compartment. It does not happen all the time.
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Tuesday, January 13th, 2009 AT 4:36 PM

10 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Have you checked for trapped animals? Tell me, this sound is a thump that happens while driving, ur parked, engine running or not?
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Tuesday, January 13th, 2009 AT 5:46 PM
Tiny
STRATMAN
  • MEMBER
  • 6 POSTS
Definitely not an animal.I would have smelled it. Is there an engine part other than the fan that revolved for awhile after the car is shut off? Now when I warm the car for awhile before driving, I do not hear it. It seems that after I start driving, it starts to thump.
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Wednesday, January 14th, 2009 AT 11:24 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
The only part I can think of that might make noise with the engine off, is a heat shield on the catalytic converter, makes a metalic ticking type sound? If the shield welds break, they can be noisy.
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Monday, January 19th, 2009 AT 12:00 PM
Tiny
STRATMAN
  • MEMBER
  • 6 POSTS
I think I located the sound coming from the hose that connects to the pipe on top of the engine near the thermostat. Does that make sense?
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Monday, January 19th, 2009 AT 12:07 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Can you upload a photo?
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Friday, January 23rd, 2009 AT 6:58 AM
Tiny
STRATMAN
  • MEMBER
  • 6 POSTS
Here is the pic
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Friday, January 23rd, 2009 AT 11:39 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
No picture shown?
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Friday, January 23rd, 2009 AT 12:50 PM
Tiny
STRATMAN
  • MEMBER
  • 6 POSTS


https://www.2carpros.com/forum/automotive_pictures/301330_HPIM0417_2.jpg

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Friday, January 23rd, 2009 AT 12:53 PM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
If you are talking about the big fat one, check coolant level and the thermostat, may be hearing a boiling in there, is the fan working?
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Friday, January 23rd, 2009 AT 1:43 PM
Tiny
STRATMAN
  • MEMBER
  • 6 POSTS
Yes the fat one. Coolant always seems to be low. Where does it go?
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Friday, January 23rd, 2009 AT 1:56 PM

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