Engine

tappet system for normal operation after the repair.

Damaged valve guide INSTALL a new cylinder head assembly. Compression leakage at TEST the system for normal operation after valve seat the repair. Seized valve stem

Weak or broken valve spring INSTALL a new valve spring. TEST the

system for normal operation after the repair.

Worn or damaged cam INSTALL a new camshaft. TEST the system

for normal operation after the repair.

Damaged head gasket INSTALL a new head gasket. TEST the

system for normal operation after the repair.

Cracked or distorted INSTALL a new cylinder head assembly. cylinder head TEST the system for normal operation after

the repair.

Damaged, worn or sticking INSTALL a new piston ring(s). TEST the piston ring(s) system for normal operation after the repair.

Worn or damaged piston INSTALL a new piston and piston pin. TEST

the system for normal operation after the repair.

Engine emits Clogged Air Cleaner (ACL) INSTALL a new ACL element. TEST the excessive black element system for normal operation after the repair. smoke (black/blue /white)

Incorrect type or grade of DRAIN and FILL with specified oil. oil

Blocked or restricted INSPECT the turbocharger oil drain pipe. turbocharger oil drain pipe REPAIR as necessary. TEST the system for

normal operation after the repair.

Damaged/restricted or REPAIR or INSTALL a new tube as leaking turbocharger intake necessary. TEST the system for normal tube assembly operation after the repair.

Engine wear (piston rings, REPAIR as necessary. TEST the system for valve guides) normal operation after the repair.

Plugged crankcase Visually INSPECT the crankcase ventilation ventilation system system.

Turbocharger oil seals REFER to Turbocharger Internal Oil Leak leaking Test.

REFER to: Turbocharger (303-04E Fuel Charging and Controls - Turbocharger - 2.3L EcoBoost (231kW/314PS), Diagnosis and Testing). TEST the system for normal operation after the repair.

Symptom Chart - NVH

Symptom Chart - NVH

Original table alignment retained · Scroll horizontally if needed

Mount Neutralizing procedure. REFER to: Powertrain/Drivetrain Mount Neutralizing (303-00 Engine System - General Information, General Procedures). TEST the system for normal operation