TM 10-4320-315-24
Table 3-1. Direct Support Troubleshooting - (Cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ENGINE KNOCKS.
Step 1. Check for blown or leaky head gasket.
Replace defective head seals (para. 3-30).
Step 2. Check for poor compression. Refer to malfunction 1, step 2.
If poor compression, refer to general support maintenance.
4. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1. Check for poor compression. Refer to malfunction 1, step 2.
If poor compression, refer to general support maintenance.
Step 2. Check for leaky oil seals.
If seals leak, refer to general support maintenance.
3-3
