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Check Fluid
1356 Fluid Drain & Fill Plug Location pic; "...The plugs are shiny metal. The right one is the fill plug and the left one is the drain plug..."
Source: by Jem270 at Supermotors.net
1356 Fluid Drain & Fill Plug Size; "...It's a 10mm square hole. People strip out the plugs when they use a 3/8" extension which is slightly smaller than 10mm plus extensions do not have sharp edges/corners which makes it worse..."
Source: by Dustin S (
pump failure is the beginning of most all problems
1356 Manual Shift DISASSEMBLY AND ASSEMBLY
w/Parts Break-Out Diagram w/nomenclature
With the shift selector in neutral, no power is transmitted to either front or rear. All the planetary gears turn freely with the input shaft, and the chain sprocket floats freely on the output and fifth gear drive shaft.
When the driver selects 2H, the shift collar hub at the center of the front planet slides forward, putting the transfer case into the high speed range (direct drive). The input shaft and the rear output shaft are locked together. This results in direct drive, straight through to the rear driveshaft. In addition, the 4-wheel drive lockup collar is disengaged so none of the 4WD components turn.
In 4-wheel drive high range (4H), the front planet stays where it was in the 2H shift. The action of the shift lever causes the 4-wheel drive lockup hub to move rearward, locking the chain sprocket to the rear output shaft. Now, both the rear and the front wheels are being driven in the high range.
To get maximum pulling capacity, the driver selects 4L. When this happens, the shift collar hub moves rearward, and the front planet is locked to the output and fifth gear drive shaft. With the ring gear unable to turn, the planetary gears "walk" around the inside. The result is that the front planet now turns more slowly than the input shaft. Because the front planet is now locked to the output and fifth gear drive shaft, the output shaft now rotates at a slower speed than the input shaft. This action increases the pulling capacity available to the wheels.
