Ford Mustang (1999-2004) Service Manual: Engine System - General Information
General Specifications

Engine
NOTE: This section contains information, steps and procedures that may not be specific to your engine.
This section covers general procedures and diagnosis and testing of the engine system, except for exhaust emission control devices, which are covered in the Powertrain Control/Emissions Diagnosis Manual.
The engine incorporates the following features:
- a closed positive crankcase ventilation (PCV) system.
- an exhaust emission control system.
- an evaporative emission control system.
Some engines incorporate a fail-safe cooling system. Refer to the appropriate section in Group for the procedure.
The engine, fuel system, ignition system, emissions system and exhaust system all affect exhaust emission levels and must be maintained according to the maintenance schedule. Refer to the scheduled Maintenance Guide.
Correct engine identification is required to order parts. Refer to the appropriate section in Group for the procedure.
For complete vehicle and engine identification codes.
- Engine (Diagnosis and Testing)
- Sprockets
- Rocker Arms - Inspection
- Push Rods - Inspection
- Camshaft Journal - Clearance, Plastigage Method
- Camshaft End Play - Push Rod Engines
- Camshaft End Play - OHC Engines
- Camshaft Lobe Lift
- Camshaft Runout
- Crankshaft Main Bearing Journal - Clearance
- Crankshaft End Play
- Crankshaft Runout
- Crankshaft - Connecting Rod Journal Taper, Out of Round
- Piston Inspection
- Piston - Pin to Bore Diameter
- Piston - Selection
- Piston - Ring End Gap
- Piston - Ring-to-Groove Clearance
- Piston - Pin Diameter
- Connecting Rod - Bushing Diameter
- Connecting Rod - Twist
- Connecting Rod - Bearing Journal Clearance
- Connecting Rod - Side Clearance
- Valve Stem to Valve Guide Clearance
- Valve Spring Strength
- Valve - Seat Inspection
- Cylinder Head - Distortion
- Cylinder Block Core Plug Replacement
- Spark Plug - Inspection
- Exhaust Manifold - Inspection
Engine
...
Engine (Diagnosis and Testing)
Special Tool(s)
Commercially Available
Leakdown Tester
Quick Disconnect Compression
Tester
134-R0212 or equivalent
Dial Indicator Gauge Adapter
303-007 (TOOL-6565-AB) ...
Other materials:
Exhaust System (Diagnosis and Testing)
Symptom Chart
Condition
Possible Sources
Action
Noisy or
leaking
exhaust
Broken or loose
clamps, hangers or
isolators.
Punctures in the muffler
(5230).
Broken, loose or
missing exhaust
manifold fa ...
Traction Control
PRINCIPLES OF OPERATION
The traction control system helps avoid drive wheel spin and loss of
traction.
If your vehicle begins to slide, the system applies the brakes to individual
wheels and, when needed, reduces engine power at the same time. If the
wheels s ...
Piston - Pin Connecting Rod, Floating Pin
Material
Item
Specification
SAE 5W-20 Premium Synthetic
Blend Engine Oil
XO-5W20-QSP
WSS-M2C153-
H
Disassembly
1. Remove the clips.
2. Remove the piston pin from the piston and connecting rod assembly.
3. Remove the connecting rod ...
