TM 9-2320-280-34
17-30. TRANSMISSION ASSEMBLY FROM SUBASSEMBLIES(4L80-E) (Cont'd)
d. Rear Unit End Play Check
1.
Turn transmission case (1) horizontal, and install dial indicator on case (1) with probe against end of
output shaft (2).
2.
Push output shaft (2) into case (1) and "zero" dial indicator.
3.
Pull output shaft (2) out and read movement from dial indicator. Repeat twice to check value.
Movement should be 0.005-0.025 in. (0.127-0.635 mm). The selective washer controlling this end
play is the steel washer having three lugs and located between the rear thrust washer and the rear
face of the transmission case (1).
NOTE
If a difference in washer thickness is required to bring end play
within specifications, it can be selected from the following table.
IDENTIFICATION
THICKNESS
NOTCHES
NUMERAL
0.074-0.078 in. (1.88-1.98 mm)
None . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
0.082-0.086 in. (2.08-2.18 mm)
1 tab side . . . . . . . . . . . . . . . . . . . . . . .
2
0.090-0.094 in. (2.28-2.38 mm)
2 tabs side . . . . . . . . . . . . . . . . . . . . . .
3
0.980-0.102 in. (2.48-2.59 mm)
1 tab outer diameter . . . . . . . . . . . .
4
0.106-0.110 in. (2.69-2.79 mm)
2 tabs outer diameter . . . . . . . . . . .
5
0.114-0.118 in. (2.89-2.99 mm)
3 tabs outer diameter . . . . . . . . . . .
6
4.
If end play is not within specifications, remove selective washer, and install a new selective
washer of proper thickness.
CAUTION
Do not overtorque bolt. Damage to case or bolt could result in
transmission malfunction.
NOTE
If center support was reconditioned, bolt will be coated with zinc
chromate and will be yellow in color.
5.
Install bolt (3). Tighten bolt (3) to 32 lb-ft (43 Nm).
17-134
Change 1
