TM 10-3930-659-34 Table 3-1.  Troubleshooting (Con’t). MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION Step 3.   Check camshaft timing (see paragraph 5-5). Correct camshaft timing (see paragraph 5-5). Step 4.   Inspect engine main bearings and main bearing caps for looseness and wear (see para- graph 5-4). Replace damaged engine main bearings and tighten loose main bearing caps (see paragraph 5-4). Step 5.   Inspect connecting rod main bearings and main bearing caps for looseness and wear (see para- graph 5-3). Replace damaged connecting rod main bearings and tighten loose connecting rod main bearing caps (see paragraph 5-3). Step 6.   Inspect piston pin bushing and piston pin for wear (see paragraph 5-3). Replace damaged piston pin bushing and piston pin (see paragraph 5-3). 7.  LOW ENGINE OIL PRESSURE. Step 1.   Inspect turbocharger shaft seal for leakage by spinning turbocharger turbine wheel and listening for noisy bearings or signs of leakage. Replace damaged turbocharger (see paragraph 4-25). Step 2.   Inspect engine oil pump intake tube screen for contamination. Clean engine oil pump intake tube screen. Replace damaged engine oil pump intake tube (see paragraph 4-18). Step 3.   Inspect engine oil pump and drive gear for wear or damage (see paragraph 4-19). Replace damaged engine oil pump (see paragraph 4-19). Replace damaged drive gear (see paragraph 4-19). Step 4.   Inspect engine main bearings and main bearing caps for looseness and wear (see para- graph 5-4). Replace damaged engine main bearings and tighten loose main bearing caps (see paragraph 5-4). Step 5.   Inspect connecting rod main bearings and main bearing caps for looseness and wear (see para- graph 5-4). Replace damaged connecting rod main bearings and tighten loose connecting rod main bearing caps (see paragraph 5-3). 3-7