Hard down shifting

Asked by sgbanet May 12, 2018 at 02:31 PM about the 2009 Dodge RAM 1500 SLT Quad Cab RWD

Question type: Maintenance & Repair

My 2009 Dodge Ram 1500 (4.7) with 221K miles is starting to down shift hard
when decelerating.   Right when it hits 30 MPH and is slowing, a hard down
shift can be felt.  It only occurs when I approach 30 MPH.   Regular up shifting
is not a problem.   The truck runs and shifts up fine.  Any ideas?

3 Answers
10

GuruTN756 answered 6 years ago

I have read every comment on this page. A lot of good information. I just done know about yours. I'm having issues but mine will not shift up out off 1st.

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10

Guru1RMCV answered 5 years ago

Mine is doing the same. Has yours gotten worse or had any other trans. issues?

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40

Ariel answered 4 years ago

Try changing your Map Sensor. It may or may not give you a cel yet but eventually will. I had been chasing that harsh downshift for a while. I did remember that long ago I had a car that was doing a similar problem due to a faulty temp sensor. Weird how some "unrelated" systems affect other things.

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