Hard downshift from second gear to first gear

Tiny
MIKEGARZA
  • MEMBER
  • 2005 NISSAN XTERRA
  • 4.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 147,000 MILES
I am having an issue with my vehicle down shifting hard from second to first gear. It happens every time I am making a complete stop. It is really only these gears that are giving me that hard downshift. When I accelerate the transmission shifts smooth into every gear. I was told it might be a vacuum leak. I am hoping its not the transmission giving out. Any comments would be much appreciated thnks.
Thursday, June 30th, 2016 AT 5:09 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,055 POSTS
If the transmission has not been serviced in a long time, you may want to consider it. It could be a partial blockage in the filtering system. Keep in mind, when it downshifts coming to a stop, the engine is at an idle; thus the pressure in the transmission is low. When accelerating, the engine RPM's increase fluid pressure.
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Thursday, June 30th, 2016 AT 7:45 PM

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