Table 4-1. TROUBLESHOOTING-continued - TM-9-2520-249-34-P0064

TM 9-2520-249-34&P

Table 4-1. TROUBLESHOOTING-- continued

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

6. VEHICLE WILL NOT TRAVEL IN REVERSE-1.

Step 1. Check shift linkage for out-of-adjustment or bent.

Repair and/or adjust linkage (refer to para 9-5b and TM 9-2350-230-35/1).

Step 2. Check for low-range or both reverse-range clutches slipping.

Repair clutch and piston seal rings (Refer to paras 6-3 and 8-11).

Step 3. Check excessive internal oil leakage.

Repair power train (Refer to chs. 5 through 8).

7. VEHICLE WILL NOT TRAVEL IN REVERSE-2.

Step 1. Check shift linkage for out-of-adjustment or bent.

Repair and/or adjust linkage (Refer to para 9-5b and TM 9-2350-230-35/1).

Step 2. Check for slipping intermediate-range clutch or both reverse clutches slipping.

Replace clutch and piston seal rings (Refer to paras 6-3 and 8-11).

Step 3. Excessive internal oil leakage.

Repair transmission (Refer to chs. 5 through 8).

8. VEHICLE WILL TRAVEL IN ONLY ONE RANGE REGARDLESS OF RANGE SELECTED.

Check shift linkage for disconnection, bent, broken, sticking or out-of-adjustment.

Connect, repair, and/or adjust linkage (Refer to para 9-5b).

9. OIL TEMPERATURE WARNING LIGHT COMES ON.

NOTE

Shift to neutral and run engine at 1500 rpm for three minutes. Light should go off.

If trouble persists, continue with troubleshooting check.

Step 1. Check for low or high oil level.

Refer to TM 9-2350-230-20-1 for proper oil level.

Step 2. Check for clogged oil cooler lines.

Refer to TM 9-2350-230-35/1.

Step 3. Check for high oil temperature warning light malfunction.

Check electrical circuit and oil temperature at K, figure 9-2. Normal temperature 180F.

to 200F.

Step 4. Converter stator locked (will not freewheel).

Repair torque converter (Refer to paras 7-7 through 7-12).

Step 5. Check for blocked air flow to cooler.

Unblock air flow.

Step 6. Check for improperly adjusted brakes.

Adjust brakes (paras 9-5a).

10. LOW LUBRICATION PRESSURE WARNING LIGHT COMES ON.

Step 1. Check warning light for malfunction.

Check electrical circuit and oil pressure at L, figure 9-2; replace warning light or electrical

wiring.

Step 2. Check for lubrication regulator valve sticking open; spring weak or failed.

Replace weak or failed spring. Repair lubrication regulator (paras 7-152 through 7-157).

Step 3. Check for excessive internal oil leakage.

Repair transmission (Refer to chs. 5 through 8)

11. VEHICLE WILL TRAVEL IN ALL RANGES EXCEPT FOURTH GEAR.

Step 1. Check shift linkage for out-of-adjustment or bent.

Repair and/or adjust linkage (Refer to para 9-5b and TM 9-2350-230-35/1).

Step 2. Check for slipping high-range clutch.

Repair clutch and piston seal rings (Refer to paras 7-31 through 7-36).

Step 3. Check for excessive internal oil leaks. Repair transmission (Refer to chs. 5 through 8).

4-3