Table 5-2. Direct Support Troubleshooting - Continued
TEST OR INSPECTION
ENGINE - Continued
HIGH OIL CONSUMPTION - Continued
Step 4. Check if front end plate gasket is leaking (see para 6-9).
Replace leaking front end plate gasket (see para 6-9).
Step 5. Check for head gasket leaks by performing engine compression check, minimum of 450 psi
(3101 kPa) at 600 rpm, 500 ft above sea level. Variation between cylinders must not exceed
25 psi (172 kPa).
Replace leaking gaskets (see para 6-13).
Step 6. Check turbocharger oil seals for wear or damage (see paa 5-23).
Replace defective seals (see para 5-23).
Step 7. Start engine and check if blower oil seal leaks.
Repair blower (see para 5-22).
Step 8. Check for damaged or broken piston rings and pistons or liners (see para 6-32 and 6-33).
Replace damaged or broken piston rings, pistons, or liners (see para 6-32 and 6-33).