Ford Mustang (1999-2004) Service Manual: Rear Drive Halfshafts
General Specifications

Torque Specifications

Rear Drive Halfshafts (Description and Operation)
The rear wheel drive halfshaft system consists of and operates as
follows:
Halfshafts (4K138) transmit engine torque from the rear axle housing to
the rear wheels.
Halfshafts rotate at approxi ...
Other materials:
Idle Air Control (IAC) Valve - Mach I
Removal and Installation
1. Remove the air intake scoop. For additional
information, refer to Section.
2. Disconnect the idle air control (IAC) valve electrical connector.
3. Remove the bolts, the IAC valve and the gasket.
4. NOTE: Install a new ga ...
Component Tests
Idle Air Control (IAC) Valve
1. Open the hood.
2. NOTE: Key symptom is elevated idle speed while noise is occurring.
NOTE: "Snapping" the throttle can induce the noise.
Verify the condition by operating the vehicle for a short time.
3. Inspect the IAC valv ...
Installation
CAUTION: The upper suspension arm and bushing nuts must be tightened
with the
suspension at curb height. Failure to do so can result in bushing failure,
resulting in poor ride
and handling.
NOTE: If installing a new upper suspension arm and bushing, mark the ...
