Ford Mustang (1999-2004) Service Manual: 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 at the specified valve spring length.
- Refer to the appropriate section in Group 303 for the procedure.
- If out of specification, install new components as necessary. Refer to the appropriate section in Group 303 for the procedure.

Valve Stem to Valve Guide Clearance
Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
Clearance Gauge, Valve Guide
303-004 (TOOL-6505-E) or
equivalent
NOTE: Valve ...
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 t ...
Other materials:
Air Bag Supplemental Restraint System (SRS) (Description and Operation)
The air bag supplemental restraint system (SRS) is designed to provide
increased collision protection
for front seat occupants in addition to that provided by the three-point safety
belt system. Safety belt
use is necessary to obtain the best occupant protec ...
Pinpoint Tests
PINPOINT TEST A: THE SPEED CONTROL IS INOPERATIVE
Test Step
Result / Action to Take
A1 CHECK THE SPEED CONTROL SERVO VOLTAGE AND
GROUND
YesGO to A3 .
No
GO to A2 .
Key in OFF position.
Disconnect: Speed Control Servo C122.
...
Essential towing checks
Follow these guidelines for safe towing:
• Do not tow a trailer until you drive your vehicle at least 1000 miles
(1600 kilometers).
• Consult your local motor vehicle laws for towing a trailer.
• See the instructions included with towing accessories for ...

