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1991 190e hard shift

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Old Feb 20, 2010 | 11:50 PM
  #1  
babyben's Avatar
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Default 1991 190e hard shift

my 1991 190e 2.3 shifts hard i am going to do a trans service but if that doesnt do it should i replace the modulator or any ideas?? it has 103000 miles
 
Old Feb 21, 2010 | 09:29 PM
  #2  
mbz connexion's Avatar
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From: Northen Cali.
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What's your vacuum pressure to the modulator?
If it's like 5, do as suggested above.
If you have good vacuum pressure, 10-13 ish, check to see if the modulator valve holds pressure.
If not, replace it and see how you do.
Good Luck and WELCOME to the forum.
 
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