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tranny won't shift, blinking od light

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Old Jul 12, 2007 | 01:20 PM
  #1  
Bin Strokin's Avatar
Bin Strokin
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tranny won't shift, blinking od light

last week i started noticing that my tranny wasent shifting right away, it was hesitating, and now the tc wont lock up it barley shifts and my od light is blinking.
any ideas
urgent responce needed
thanks guys
 
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Old Jul 12, 2007 | 01:25 PM
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CSIPSD
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From: Bend, OR
Tranny time... dadadadadadadaada tranny time... You know like hammer time???
 
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Old Jul 12, 2007 | 01:26 PM
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really u think its done
 
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Old Jul 12, 2007 | 01:31 PM
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From: Bend, OR
If its shifting bad, TC will not lock... yup... Dont feel bad, I blew the tranny in my 01 at 20k and again at 30k and again at 48k, this last one is going strong at 115k... Your truck came with the mechanical diode that are known to fail and take the rest of the tranny with it...
 
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Old Jul 12, 2007 | 01:35 PM
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what do u mean mechanical diode?
 
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Old Jul 12, 2007 | 02:28 PM
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what years for the "mechanical diode"? mine's a 99.5 and shifts fine, but i'm getting ready to put a gooseneck in the bed for pulling a horse trailer and don't to leave 4R100 guts on the road!
 
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Old Jul 12, 2007 | 02:41 PM
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CSIPSD
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From: Bend, OR
Mechanical diode was only in the 01 trucks... then they relized it was a mistake... Its in the tranny, not sure of its use but its only on the 01 trucks...
 
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