Vehicles with a turbocharger
CAUTION:
Do not switch the engine off when it is running at high speed. If you do, the turbocharger will continue running after the engine oil pressure has dropped to zero. This will lead to premature turbocharger bearing wear.
Release the accelerator pedal. Wait until the engine has reached idle speed and then switch it off.
Ford Focus Piston Ring-to-Groove Clearance
Special Tool(s)
Feeler Gauge Set
303-D027 (D81L-4201-A) or equivalent
NOTE: Refer to the appropriate Section 303-01 for the specification.
Inspect the piston for ring land damage or accelerated wear.
Using the Feeler Gauge Set, measure the piston ...