HIGH OIL CONSUMPTION.

TM 9-2815-224-34&P

Troubleshooting Malfunctions (Cont)

2-10. TROUBLESHOOTING INSTRUCTIONS (CONT).

Table 2-3. T r o u b l e s h o o t i n g

(Cont)

Malfunction

Test or Inspection

Corrective Action

ENGINE SYSTEM

6. LOW OIL PRESSURE (CONT).

Step 3.

Inspect oil pressure relief valve for clogging or damage.

Remove and clean oil pressure relief valve (para 8-6).

Inspect valve, valve seat, and valve spring for damage.

Replace damaged parts (para 8-6).

Step 4.

Inspect oil pump for damaged parts.

Remove and clean oil pump (para 8-4).

Inspect oil pump for worn, scored, or damaged parts.

Replace worn or damaged parts (para 8-5).

7. HIGH OIL CONSUMPTION.

Step 1.

Check if oil breather tube assemblies are clogged or damaged.

Remove and clean breather tube assembly (para 8-2).

Step 2.

Check for low air box pressure (para 3-6).

If pressure is low, do steps 3 and 4.

Step 3.

Check if blower-to-block gasket is damaged (para 14-3).

Replace damaged gasket (para 14-3).

Step 4.

Check if front end plate gasket is leaking (para 3-3).

Replace leaking front end plate gasket (para 3-3).

Step 5.

Check for head gasket leaks by performing engine compression check (para19-11).

Replace leaking gaskets (para 3-7).

Step 6.

Check turborcharger oil seals for wear or damage (para 14-7).

Replace defective seals (para 14-7).

Step 7.

Remove air inlet adapter (para 14-5), start engine (TM 9-2320-279-10), and check if blower

oil senl leaks.

Repair blower (para 14-4).

Step 8.

Check for damaged or broken piston rings and pistons or liners (para 6-2).

Replace damaged or broken piston rings, pistons, or liners (para 6-2).

Change 2

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