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TM 9-2320-360-20-1
Table 2-7. Vehicle Troubleshooting (Cont)
Troubleshooting
Procedure
Malfunction
(Page)
f. TRANSMISSION
f1.
Transmission overheats (TRANS TEMP gage continuously reads over 250 F (121 °C)) .......................... 2-630
f2.
Transmission unusually noisy when operating ........................................................................................ 2-634
f3.
Transmission will not shift into gear, slips out of gear, or operates erratically ............................................ 2-638
f4.
Vehicle moves in neutral ...................................................................................................................... 2-640
f5.
Transmission shifts rough .................................................................................................................... 2-642
f6.
Transmission slips in all forward gears .................................................................................................. 2-646
f7.
Automatic shifts occur at too high or low a speed ................................................................................... 2-648
f8.
Engine stalls at idle when in gear .......................................................................................................... 2-652
g. TRANSFER CASE
g1.
Transfer case unusually noisy when operating........................................................................................ 2-656
g2.
Transfer case does not shift into HIGH or LOW, or slips out of gear......................................................... 2-660
g3.
Transfer case overheats. (T-CASE TEMP gage continuously reads over 250F (121C.). ........................ 2-662
g4.
Transfer case does not engage front axle when transfer case shift lever is positioned to LOW .................. 2-666
g5.
Transfer case does not engage front axle when transfer case shift lever
is in HIGH position, and DRIVELINE control is positioned to LOCK.......................................................... 2-670
h. PROPELLER SHAFTS AND UNIVERSAL JOINTS
h1.
Propeller shafts or universal joints unusually noisy when operating ......................................................... 2-676
h2.
Propeller shafts do not supply torque to axles or hydraulic pump ............................................................ 2-680
i. POWER TAKEOFF (PTO)
i1.
PTO does not engage .......................................................................................................................... 2-684
i2.
PTO makes excessive or unusual noise during operation........................................................................ 2-694
i3.
PTO indicator does not light when PTO is engaged ............................................................................... 2-696
j. AIR BRAKE SYSTEM
j1.
Spring brake(s) will not release ............................................................................................................. 2-706
j2.
Service brake(s) will not respond properly. ........................................................................................... 2-712
j3.
Uneven braking (pulling) ...................................................................................................................... 2-714
j4.
Service brake(s) fail to release/release slowly ........................................................................................ 2-718
j5.
Service brake(s) grabbing .................................................................................................................... 2-722
j6.
Excessive loss of air pressure when braking ......................................................................................... 2-724
j7.
Brake(s) overheat ................................................................................................................................ 2-728
j8.
Spring brakes will not apply................................................................................................................... 2-732
2-361
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