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Another 6spd shifting issue

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Old Nov 1, 2006 | 01:39 PM
  #1  
bnold's Avatar
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From: Dallas area
Another 6spd shifting issue

Ok dont yell I've searched and found some info but want more...

I am having and have always had issues with shifting from nuetral to 1st gear and reverse (mainly, depending on weather others can be difficult too). Most seem to think it is either a master/ slave not releasing issue, a throwout bearing issue, or a pilot bearing issue.

I replaced my clutch to a LUK performance probably 6 or 7 months ago and installed the new bearings along with it. The problem has existed since I have owned the truck (about 1yr) and didn't really change when new bearings/ clutch were introduced. Soooo I don't think it is a bearing but who knows...

So my guess is that the clutch may not be releasing completely? maybe? If that is so what are my options, I hear that the unit is not-bleedable, but some have managed to bleed it anyway...??? I have heard of an hydralic upgrade, is that applicable for my truck?

Any help/ insight would be appreciated. Don't want to tear anything up if I can help it...
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Old Nov 1, 2006 | 02:20 PM
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try putting it in 2nd gear first, then go to 1st gear or reverse. see if that allows it to engage. that stops the internals of the trans from spinning, and allows it to shift into gear
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Old Nov 1, 2006 | 05:32 PM
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Ya I do that sometimes, just makes me wonder if I am wearing the syncos for 2nd then...
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Old Nov 1, 2006 | 07:17 PM
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From what i understand there are no syncro's in rev or 1st gear so going to 2nd then 1st is the way to go and i usualy go 3rd to reverse no probs there either.
if its hard to get other gears you may have a bad hydrolic system or need to get some fresh fluid in the tranny.
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Old Nov 1, 2006 | 08:34 PM
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Fluid in the tranny is only about 10k old Royal Purple. Helped some.
What does the hydralic upgrade cost??
Any way to check if its bad?? Amount of slave travel required??

Oh and I thought there were syncros on reverse in the 5600?? I'll look it up again I had the service manual somewhere...
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Old Nov 1, 2006 | 08:38 PM
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From service manual "A gear ranges including reverse are synchronized, first and second gears use a dual cone synchronizers..."
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Old Nov 1, 2006 | 08:39 PM
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Well the brainiac that I am opened the book and all 6 speed and reverse are syncro checking on what else would cause hard shifting according to the service manual.

edit
added
HARD SHIFTING
Hard shifting is usually caused by a low lubricant
level, improper or contaminated lubricants. The consequence
of using non-recommended lubricants is
noise, excessive wear, internal bind and hard shifting.
Substantial lubricant leaks can result in gear,
shift rail, synchro, and bearing damage. If a leak
goes undetected for an extended period, the first indications
of component damage are usually hard shifting
and noise.
Component damage, incorrect clutch adjustment or
damaged clutch pressure plate or disc are additional
probable causes of increased shift effort. Incorrect
adjustment or a worn/damaged pressure plate or disc
can cause incorrect release. If clutch problem is
advanced, gear clash during shifts can result. Worn
or damaged synchro rings can cause gear clash when
shifting into any forward gear. In some new or
rebuilt transmissions, new synchro rings may tend to
stick slightly causing hard or noisy shifts. In most
cases this condition will decline as the rings wear-in.


right outa the book dang i need to read up more before i open my mouth
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Old Nov 1, 2006 | 10:09 PM
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yes they are both sycroed, and the up grade might help, and it's ajustable for around 2 sawbucks, call peter at SBC and he will fix you up
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