2003 Ford Explorer Shutter or vibration

Tiny
CTAYLOR3
  • MEMBER
  • 2003 FORD EXPLORER
  • V8
  • 4WD
  • AUTOMATIC
  • 99,000 MILES
My Ford Explorer runs fine in lower gears and on level ground. When I am in 4th gear or OD traveling up hills
I have a shutter or vibration that feel like it's possiby in the drive train. The vibration starts around 45-55 mph. And last for 15 seconds. It starts our soft then gets wrose and the you feel a slight thump and it stops for 5 seconds then starts all over again. It does this as long as long as I'm going up a hill or grade. ( The vibratinon is not felt in the steering wheel) I've had the transmission serviced on schedule, just recently repleced the transfer case. The dealer said it was my torque converter. I took it to a very repitible transmission shop and they said the torque c checked out ok. Please help.
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Friday, August 15th, 2008 AT 2:12 PM

5 Replies

Tiny
MASTERTECHTIM
  • EXPERT
A lot of times a torque converter shudder is misdiagnosed and the problem is a bad spark plug or plug wire. The ignition system is under most stress under a light load in overdrive especially going up a hill. When was the last tune up? There is also a additive called shudder be gone that I have used on ford transmission with torque converter shudders but that was mostly on older models.
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Friday, August 15th, 2008 AT 3:43 PM
Tiny
CTAYLOR3
  • MEMBER
Thanks for the info. I'am ashamed to say I've never had a tune up. I will try that first before I start pricing a new torque converter.
Thanks
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Friday, August 15th, 2008 AT 8:27 PM
Tiny
MASTERTECHTIM
  • EXPERT
Let me know how you make out.
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Saturday, August 16th, 2008 AT 5:59 AM
Tiny
CTAYLOR3
  • MEMBER
I completed a tune up over the weekend. Plug gap states.54 and the old plugs were at.65. I would say they were worn a little.
I did not realize how much power my vehicle had lost until I completed the tune up.
The beast news of all is the Torq Converter is not shuttering any longer when I go up hills or grades.
Thanks so much for the advice.I now know where to go when I need any advice in the future.

GREAT WEB SITE!
Take Care,
Charlie
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Monday, August 18th, 2008 AT 6:40 AM
Tiny
MASTERTECHTIM
  • EXPERT
Thank you very much charlie. You dont know how much that means to us to get a reply like that. All of us here really love fixing cars.
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Tuesday, August 19th, 2008 AT 6:26 AM

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