722.6 TECHNICAL SERVICE INFORMATION

30mm 12 point collar nut - part number:
1239900060. Nut tightens to 120 Nm or
88.5 Ft. lbs. Socket part number:
126 589 02 09 00.
K3 Clutch and Gear Set Assembly
The OEM sealing rings (tan or black)
for K3 Clutch are known to shrink and
cause delayed forward and reverse
engagements or a no move at all condition.
Center Carrier
(Clean and dry thoroughly and carefully
rotate the pinions gears by finger and inspect
for wobble and needle bearing roughness. The
pinion shafts are known to wear. This will
produce a whining noise and will lead to
complete planetary destruction).
TECHNICAL SERVICE INFORMATION
Center Internal Ring Gear
The K3 clutch stack varies with either
3, 4 or 5 frictions. Clutch pack clearance
specifications are 0.7 to 1.9 mm or.028 to
.075 inches with the 3 and 4 friction stack up.
The 5 friction stack up is 0.7 to 2.0 mm or
.028 to .079 inches.
Clutch clearance is adjusted by the retaining
selective snap ring. There are 5 sizes available:
1.9 mm - .074” - A 140 994 99 40
2.2 mm - .086” - A 140 994 10 35
2.5 mm - .098” - A 140 994 11 35
2.8 mm - .110” - A 140 994 35 35
3.1 mm - .122” - A 140 994 36 35
Rear Carrier
F2 Sprag Assembly with
Center & Rear Sun Gear
The outer lip on snap ring
faces the diaphragm return
spring
K3 Clutch Drum
K3 Clutch Hub
Shown in the cross sectional view of the K3 clutch pack below, a 4 tab
cushion plate is installed in the drum like a bowl first followed by a flat
steel plate measuring 1.8 mm or 0.069” in thickness. The other 4 steel
plates measure 3.5 mm or 0.136” in thickness.
Figure 68
Later models
have single sided
drive and driven
clutch plates
Selective Snap Ring
Thin apply plate
Pressure Plate
4 tab cushion plate
AUTOMATIC TRANSMISSION SERVICE GROUP
34
K3 Clutch
(F2 Sprag)