Ford Focus Service Manual: Cylinder Bore Taper
Ford Focus Service Manual / Powertrain / Engine / Engine Block / Cylinder Block / Cylinder Bore Taper
NOTE:
Refer to the appropriate Section 303-01 for the specification.
- Measure the cylinder bore at the top, middle and bottom of piston ring travel in 2 directions as indicated. Verify the cylinder bore is within the wear limit. The difference indicates the cylinder bore taper. If the cylinder bore taper does not meet specification, bore the cylinder to the next oversize limit.
Cylinder Bore Out-of-Round
NOTE: Refer to the appropriate Section 303-01 for the specification.
Measure the cylinder bore in 2 directions. The difference is the out-of-round.
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Piston To Cylinder Bore Clearance
NOTE: Refer to the appropriate Section 303-01 for the specification.
Subtract the piston diameter from the cylinder bore diameter to find the
piston-to-cylinder bore clearance.
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More about Ford Focus:
Ford Focus Cylinder Bore Cleaning
Material
Item
Specification
Motorcraft® SAE 5W-20 Premium Synthetic Blend Motor Oil (US); Motorcraft®
SAE 5W-20 Super Premium Motor Oil (Canada)
XO-5W20-QSP (US); CXO-5W20-LSP12 (Canada)
WSS-M2C945-A
NOTICE: If these procedures are not followed, rusting ...
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