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Explorer & Ranger Transmissions, Transfer Cases, & Differentials Transmissions, Transfer Cases. A4LD, 4R70W, 4R44E, 4R55E, 5R44E, 5R55E, M5OD, BW 1354, Control Trac, GEM, AWD. Ford 8.8", Dana 35

Shudder/vibration when accelerating from a standstill

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Old 05-24-2009, 12:05 AM   #1
Benny B
Somerset,KY
2002 Explorer
 
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US Shudder/vibration when accelerating from a standstill

I have a 2002 Explorer with 100,000 miles on it. It has developed a shudder/vibration when accelerating from a standstill. It shakes a lot.
It doesn't matter if the wheels are turned or straight. Pretty much the same thing happens.
I have asked other people that have machanical knowledge far superior to mine with no resolution.

So far this is what I have had done to try to fix this issue.
I have had the power steering flushed. Didn't fix it.
I have had the rack and pinion replaced. Didn't fix it.
I had the transmission serviced. Didn't fix it.

I am now being told that it may possibly be my torque canverter.

Anybody with any similar problem?
It would be great to know what it is.

Please help.....lol
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Old 05-24-2009, 12:09 AM   #2
BrooklynBay
Brooklyn, NY
 
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Welcome to this forum! What kind of transmission fluid do you have in it?
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Old 05-25-2009, 11:19 AM   #3
Benny B
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I believe it is called macron 5 maybe.
I know the guy that did the service on the transmission. He has had his shop for some time ( around 20 years ) now. I know he told me it was a different / special type of fluid.
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Old 05-25-2009, 11:45 AM   #4
BrooklynBay
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Mercon V is the correct fluid to use for this transmission.
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Old 05-25-2009, 07:40 PM   #5
Benny B
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OK. Thanks.
Is there any more insight or suggestions that may be of any help please???
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Old 05-25-2009, 10:24 PM   #6
SCB2525
Richboro, PA
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Rear diff maybe? A motor/tranny mount? Hard to say without having driven it.
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Old 05-25-2009, 10:28 PM   #7
fixxxer
Aurora, Co.
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My first guess would be a cracked motor or transmission mount or bracket, possibly a loose mount bolt? Do the RPM's fluctuate or do they hold steady when it shudders?




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Old 05-25-2009, 10:32 PM   #8
jdvracing
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Angry

I have the same problem. I was thinking it may have been a u-joint, but I found a bad pinon bearing in the rear diff.




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Old 05-26-2009, 02:09 AM   #9
nitro71
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You could pull the rear drive shaft and try it in 4wd to see if the vibration is there without the rear being used. Help you trouble shoot it down some.
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