TM 9-2320-280-34
17-32. TRANSMISSION OIL PRESSURE TESTS (3L80) (Cont' )
d
13.
Compare oil pressure test results to information in table 17-9. If malfunction is still unknown,
consult troubleshooting, table 2-1.
Test Conditions
Drive
Drive*
Check
1,000
2,000
Transmissio
rpm
rpm
n
Neutral
Drive
Drive
Low 2
Low 1
Reverse
Kick-
closed
for
down
1,000
idle
1,000
1,000
1,000
1,000
switch
throttle
Malfunctions
rpm
rpm
rpm
rpm
rpm
activated
in
Detent
Normal
High
High
Normal
Normal
Normal
Normal
High
System
High
High
High
Normal
Normal
High
**
**
Modulator
System
Test
Direct Clutch
Results
Normal
Normal
Normal
Normal
Normal
Low
Normal
Normal
Oil Feed
Forward
Normal
Low to
Low to
Low to
Low to
Normal
Low to
Low to
Clutch Oil
Normal
Normal
Normal
Normal
Normal
Normal
Feed
Detent
Normal
Normal
Normal
Normal
Normal
Normal
Low
Normal
System
* Modulator cable and linkage held in full throttle position.
** Oil pressure not important under test condition indicated.
14.
Remove oil pressure gauge from transmission (1) and install pipe plug (3) in line pressure port (2).
17-152
