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Shifting is stiff on MN6

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Old Aug 6, 2007 | 11:51 AM
  #21  
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for stiffness or for the 1st gear problem?

Originally Posted by Roofless
I just used the GM synchormesh fluid and it mad a world of difference it was all good from there.
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Old Aug 6, 2007 | 01:08 PM
  #22  
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The guys who nixed the nice ZF transmission you liked so much in the C4 are the same guys who took out the genuine HomeLink from the 3LT package and put in a generic semi-equivalent, that takes a Microsoft-style technician several hours to program.

Re Royal Purple Synchromax - it is a light purple in color, so even some dealership types could tell the difference. Therefor you may want to switch back to bright red Dexron IV ATF before you go in for warranty work.
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Old Aug 6, 2007 | 02:10 PM
  #23  
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my '06 mn6 has been like butter since new even with a B&M short throw. My '03 Z was a horrible by comparison.
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Old Aug 6, 2007 | 04:39 PM
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I didn't see a straight answer... Does Royal Purple meet GM specs for transmission fill, or doesnt it?
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Old Aug 6, 2007 | 07:33 PM
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Originally Posted by Kent1999
I didn't see a straight answer... Does Royal Purple meet GM specs for transmission fill, or doesnt it?
I can tell you that the bottle that I have right here in front of me doesn't say anything about any GM spec.
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