Cylinder Head Distortion

303-00 Engine System - General Information 2016 Mustang

General Procedures Procedure revision date: 08/28/2012

Special Tool(s) / General Equipment

Feeler Gauge

Check

NOTE: Refer to the appropriate Section 303-01 for the specification.

1. NOTE: Make sure all cylinder head surfaces are clear of any gasket material, silicone sealant, oil and coolant. The cylinder head surface must be clean and dry before running a flatness check.

NOTE: Use a Straightedge that is calibrated by the manufacturer to be flat within 0.005 mm (0.0002 in) per running foot of length, such as Snap-On® GA438A or equivalent. For example, if the Straightedge is 61 cm (24 in) long, the machined edge must be flat within 0.010 mm (0.0004 in) from end to end.

Using a Straightedge and a Feeler Gauge Set, inspect the cylinder head for flatness in the sequence shown. Use the General Equipment: Feeler Gauge

Cylinder Head Distortion — original illustration 1, reference 129Original colors & callouts · Select to enlarge

Source reference 129

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.