Section 120-0010
11
SM 1574 12-98
Transmission - Transmission and Mounting
MECHANICAL TROUBLESHOOTING CHART
CONDITION REASON REMEDY
T - Low engine speed at Low engine output torque Tune engine and check output
Converter element Check for noise at stall; overhaul converter if
interference necessary
Transmission oil not up to Warm up transmission to 82 - 103° C
operating temperature (180 - 220° F)
U - Low converter-out Low oil level Add oil to proper level
Oil line leakage (oil cooler or Check for leaks, correct as required
filter)
Plugged oil strainer Clean oil strainer
Defective oil pump Rebuild/replace oil pump assembly
High oil temperature Refer to condition 'A'
Foaming oil Refer to condition 'B'
V - Low main pressure Low oil level Add oil to proper level
Leaks in hydraulic system Check all external points for leaks; check each
range for localizing internal leaks
Failure in pressure regulator Overhaul valve assembly
Worn input oil pump assembly Rebuild/replace pump assembly
Clogged oil strainer Clean oil strainer
Air leaks at suction side of Check input pump, correct as required
input pump
W - Downshift of transmission Refer to Electronic Troubleshooting
is permitted during lockup
operation
X - Shift quadrant not Failed light bulb Replace the light bulb
illuminated
Y - Reverse signal not Refer to Electronic Troubleshooting
energized
converter stall
pressure
SPECIAL TORQUE SPECIFICATIONS
TORQUE
FIG. NO. ITEM NO. ITEM NAME Nm lbf ft
1 3 Bolt 156 115
1 6 Bolt 278 205
1 10 Bolt 156 115
1 32 Bolt 130 - 156 96 - 115
1 38 Nut/Locknut 950 - 1 355 700 - 1 000
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