Ford Mustang (1999-2004) Service Manual: Valve - Seat Inspection
Valve and Seat Refacing Measurements
CAUTION: After grinding valves or valve seats, check valve clearance.
1. Check the valve head and seat.
- Check valve angles.
- Check margin width.
- Refer to the appropriate section in Group 303 for the procedure.
- Be sure margin width is within specification.
2. Inspect for abnormalities on the valve face and seat.
Valve -Seat Width
1. Measure the valve seat width. If necessary, grind the valve seat to specification.
- Measure the intake valve seat width.
- Measure the exhaust valve seat width.
- Recheck the valve spring installed length after the seats have been ground, and shim the valve springs as necessary to achieve the correct installed spring length.
- Refer to the appropriate section in Group 303 for the procedure.
Valve -Seat Runout
1. Use the Valve Seat Runout Gauge to check valve seat runout.
Valve Spring Strength
Special Tool(s)
Pressure Gauge, Valve/Clutch
Spring
303-006 (TOOL-6513-DD) or
equivalent
1. Use a Valve/Clutch Spring Pressure Gauge to check the valve spring for
correct strength ...
Cylinder Head - Distortion
Special Tool(s)
Straight Edge
303-D039 (D83L-4201-A) or
equivalent
1. Use a straight edge and a feeler gauge to inspect the cylinder head for
flatness. If the cylinder
head is disto ...
Other materials:
Trim Panel - Door
Removal
All vehicles
1. CAUTION: Use a shop towel or similar material between the
tool and the front door
trim panel or damage to the front door trim panel may occur.
Position the window regulator switch plate (14527) aside.
1. Pull at the ser ...
Removal
WARNING: Always wear safety glasses when repairing an air bag
supplemental restraint
system (SRS) vehicle and when handling an air bag module. This will
reduce the risk of injury
in the event of an accidental deployment.
WARNING: Carry a live air ...
Removal
CAUTION: Suspension fasteners are critical parts because they affect
performance of vital
components and systems and their failure can result in major service expense. A
new part with
the same part number must be installed if installation becomes necessary. ...