Ford 2003 Mustang Workshop Manual page 981

16. CAUTION: The cap screw is hidden; make sure to remove it or the engine front
cover will be damaged.
NOTE: Record the location, type and size of the fasteners.
Remove the engine front cover.
Slide the engine front cover off the two dowels.
Remove and discard the engine front cover gasket.
Installation
1. CAUTION: In order to prevent foreign material from contaminating the engine block
or the engine front cover it is necessary to seal the coolant and oil passages of both
components. Failure to follow these directions will result in engine damage.
CAUTION: Do not use a surface conditioning pad or any other type of fibrous
abrasive disc to clean the gasket surfaces. Failure to follow these directions will result in
engine damage.
Clean and inspect the engine block and front cover as follows:
Pack the exposed portion of the oil pan with clean shop towels.
Plug the oil and coolant passages.
Clean the gasket surfaces.
Clean all surfaces requiring gasket sealant with metal surface cleaner.
Using compressed air, remove any remaining foreign material from the engine block and
engine front cover.
Remove the shop towels from the oil pan.
Remove the plugs or seals from the engine block and engine front cover.