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2004 GMC Savana issue after changing oil filter in trans

Tiny
JLKENFIELD
  • MEMBER
  • 2004 GMC SAVANA
  • V8
  • 2WD
  • AUTOMATIC
  • 240,000 MILES
After shanging the oil filter in the Transmission I have a check engine light and the forward movement of the van when in any forward gear is very sluggish, not like normal, reverse is normal. Did I knock a connector off inside the tranny when I replaced the pan?
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Saturday, April 11th, 2009 AT 2:22 PM

1 Reply

Tiny
JAMES W.
  • MECHANIC
  • 2,394 POSTS
It's possible you knocked something loose, but not likely. You'll need to have the ECM scanned so we know what triggered the CE light. This will tell us which direction to go, and save a lot of guessing. Please advise.
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Saturday, April 11th, 2009 AT 9:00 PM

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