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Synchromesh Manual Transmission Fluid
The 1992 2.3L 5 Speed required Mercon Automatic Transmission Fluid. That's right, you need to put ATF in the manual transmission.
Should be a plug at the side or the transmission - fill to this level
A 5 speed (Mazda built) Manual transmission requires Mercon or Dextron II automatic trans fluid. A 4 speed requires 80w-90 gear lube.
For a 1992 Ford Ranger , 2.3 liter four cylinder : The 5 speed manual transmission takes ( 2.8 U.S. quarts of MERCON automatic transmission fluid )
If you have the owners' manual, check it. If not, the 1992 Rangers' Mazda 5-speed manual transmission called for MERCON ATF..yes that's correct; Automatic Transmission fluid goes in the manual transmission. You can fill it through the Hex- bolt hole located on the driver's side of the unit near the middle.
On a 1992 Ford Ranger : It depends on which 5 speed manual transmission you have : The Mitsubishi transmission , code " D " ( takes 4.8 pints of 80-90W gear lube ) The Mazda transmission , code " M " ( takes 5.6 pints of MERCON automatic transmission fluid )
My Haynes repair manual shows Motorcraft MERCON automatic transmission fluid for the 5 speed Mazda manual transmission - check to see if ATF is stamped somewhere near the transmission fill plug
75w90
Up to the mark that says"full"on the dipstick.
80w90
YES BOLT ON .THEY ARE THE SAME 1992 TO 2002 FOR A MANUAL