Quote:
Originally Posted by Chevyrestorerman
so are you saying you can manual shift the transmission from 1st to second it shifts, how about rom 2nd to 3rd ? Does it upshift while the manual valve is in Drive ?
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Yes it shifts manually.
It does not upshift unless I manually do it.
Blazer2007 - check your governor, vacuum modulator and fluid level. If all that is good, drop your pan and do a flush