Question about 1991 Mercury Cougar
1991 Mercury Cougar Transmission fluid is full but when I get around 50 - 60 mph it doesn't shift into overdrive
Should be in overdrive & converter locked
at 42mph or about-- unless your flooring the gas
Internal Solenoid Problem or Valve Body Dirty
Posted on Jan 23, 2013
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Posted on Jan 02, 2017
Your Ford has no drain plug, to change/drain the trans fluid u must remove the transmission pan, u may be able to lower fluid level with a fluid siphon pump (rated for oil) through the dipstick tube, harbor freight tools sells a pump for this purpose.
Posted on Mar 18, 2009
Check the level and make sure it wasn't overfilled. (running, hot and in park) If the level is ok, look for the vent. It should be on top of the trans, maybe by the linkage. It should be covered by either a metal or rubber cap. That may be clogged.
Posted on Aug 12, 2009
starter replacement itself would not effect transmission,check that transmission cooler lines to radiator were not loosend or damaged changing starter.place a piece of cardboard under vehicle to help pinpoint leak.
Posted on Oct 14, 2009
This is being caused by the seals in the transmission worn out and the heat is causing them to become to plyable thus losing pressure, an overhual is needed
Posted on Mar 17, 2010
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