I would use a Synthetic Extreme Pressure (EP) Lubricant 75W-90 (SVG) in your rear differential,
In the Transmission a 5W-30 Synthetic Synchromesh Transmission Fluid (MTF).
Normal ATF is about 5W-20. 1991-current Rangers with the 3.0 engine:
The [http://www.therangerstation.com/tech_library/pdf_documents/ToyoKoygoMazda.pdf Mazda M5OD-R1] is the only manual transmission used in Rangers with this engine. Mazda R-1 5-Speed Code "M" This is a top shift fully synchronized transmission. This has a light duty aluminum case and has a rectangular shape casting ribs with a large top cover. The R-2 is known for leaking oil from a rubber plug in the top cover. You should replace the rubber plug with a steel Dorman cup plug PN# 555-108 or Dana PN#219-3052. You will need 3 plugs. These trannies often melt down due to the oil loss caused by these plugs. Many owners have went with synthetic transmission fluid hoping to extend the life of the transmission. Synthetic fluid handles high temperatures and pressures better then conventional fluids. The hydraulic clutch, slave cylinder/throwout bearing is another item you should pay close attention to. After time, the slave cylinder fails to release the clutch completely. If you are having trouble shifting into 1st and reverse while stationary or if your truck creeps forward with the clutch pedal depressed the slave cylinder/throwout bearing is probably At Fault. Unfortunately there is no easy fix here as the transmission must be removed to replace the combination slave cylinder and throwout bearing. [http://www.therangerstation.com/tech_library/ManualTransmission.html Source]
Also here are the Fluid Capicites for your Truck. Hope they help. CAPACITIES
Engine, with filter..........4.6 quarts
Cooling System, Initial Fill..........15.0 quarts
Automatic Transmission, Initial Fill..........3.9 quarts
Automatic Transmission, Total Fill
2wd 5R55E..........10.0 quarts
4wd 5R55E..........10.0 quarts
Manual Transmission, M5OD..........5.5 pints
Differential, Front..........3.6 pints
Differential, Rear..........5.1 pints
Transfer Case,Warner 1354..........2.5 pints
Transfer Case,Warner Others..........3.0 pints
1. When refilling, remove dipstick to provide adequate venting and allow oil to flow into crankcase.
2. With ENG at operating temperature, shift through all gears. Check fluid level in PARK and add fluid as needed.
3. Fill to no more than 1/4 to 9/16" below fill plug hole. Good Luck and Remember.
Change Your Mind, Not Your Oil.
Use the First In Synthetic Motor Oil's.
See My Bio For more information.
repair manual fora front differential on a 2001 ford ranger edge
No, the 2003 manual transmission will not fit a 1991 Ranger.
Motorcraft MERCON automatic transmission fluid is used in the 5 speed manual transmission according to the 1997 Ford Ranger owners manual
The manual transmission on a Ford Ranger should be changed on a regular basis. Fill the transmission with any good quality regular or synthetic transmission fluid.
Motorcraft MERCON ATF ( automatic transmission fluid ) is used in the 5 speed manual transmission of a 1999 Ford Ranger , according to the owners manual
In a 1998 Ford Ranger , 5 speed manual transmission : ( Motorcraft MERCON automatic transmission fluid , according to the Owner Guide )
Approximately ( 2.8 quarts ) of Motorcraft MERCON automatic transmission fluid for the 5 speed manual transmission in a 2004 Ford Ranger
Manual transmission fluid type ....... MERCON automatic transmission fluid. - Haynes Manual #36071 - 1993-2005 Ford Ranger Pick-ups.
Manual transmission lubricant type: MERCON autmatic transmission fluid - Haynes Manual #36071, 1993-2005 Ford Ranger Pick-ups.
Motorcraft MERCON automatic transmission fluid is used in a 2001 Ford Ranger 5 speed manual transmission ( yes - ATF )
For a 1994 Ford Ranger ( for North America ) The 5 speed manual transmission takes : ( 2.8 U.S. quarts of MERCON automatic transmission fluid )
The manual transmission doesn't have a dipstick , there will be a fill plug on the transmission
Motorcraft MERCON automatic transmission fluid in the 5 speed manual transmission of a 2000 Ford Ranger in North America
On a 1994 Ford Ranger : The 5 speed manual transmission takes ( 2.8 U.S. quarts of MERCON automatic transmission fluid ) ( transmission code " M " / Mazda )
Only if it has a posi traction or limited slip differential.
According to the 1997 Ford Ranger owners manual : Motorcraft MERCON automatic transmission fluid is used in the 5 speed manual transmission
For a 1993 Ford Ranger , 5 speed manual transmission : ( trans code " M " / Mazda ) It takes 2.8 U.S. quarts of MERCON automatic transmission fluid
manual or automatic transmission
Motorcraft MERCON automatic transmission fluid is used in the five speed manual transmission of a 2002 Ford Ranger ( according to the Owner Guide )
Manual transmission fluid is MERCON automatic transmission fluid.
automatic or manual transmission ?
On a 1995 Ford Ranger ( North America models ) The 5 speed manual transmission takes : ( 2.8 U.S. quarts of MERCON automatic transmission fluid ) * transmission code " M " *
According to the 1998 Ford Ranger Owner Guide : The 5 speed manual transmission takes ( 2.8 U.S. quarts of Motorcraft MERCON automatic transmission fluid )