Ford Mustang (1999-2004) Service Manual: Valve Springs
Special Tool(s)
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Compressor, Valve Spring 303-163 (T81P-6513-A) |
Material
Removal
1. Remove the LH and the RH valve covers. For additional information, refer to Valve Cover-LH and Valve Cover RH in this section.
2. Rotate the crankshaft until the piston for the valve being worked on is at the top of its stroke with both the intake valve and the exhaust valve closed.
3. Hold the valve in the cylinder head.
- Remove the spark plug. For additional information, refer to Section.
- Apply a minimum of 965 kPa (140 psi) of compressed air into the cylinder.
4. CAUTION: If the components are to be reinstalled, they must be installed in the same position. Mark the components for location.
NOTE: If a valve drops into the cylinder, remove the cylinder head. For additional information, refer to Cylinder Head LH or Cylinder Head RH in this section.
Remove the rocker arms.
1. Remove the bolts.
2. Remove the rocker arms.
5. Using the special tool, compress the valve springs.
6. Remove the valve spring assembly.
1. Remove the valve spring retainer key.
2. Remove the valve spring retainer.
3. Remove the valve spring.
4. Remove and discard the valve stem seal and spring seat assembly.
7. Inspect the components. For additional information, refer to Section.
Installation
1. NOTE: Lubricate the parts with clean engine oil.
To install, reverse the removal procedure. Tighten the rocker arm bolts in two stages.
- Stage 1: Tighten to 5 Nm (44 lb-in).
- Stage 2: Tighten to 35 Nm (26 lb-ft).
Push Rod
Removal
CAUTION: Mark the components removed for correct location.
1. Remove the rocker arms (6564). For additional information, refer to
Rocker Arm in this section.
2. Remove the push rods (656 ...
Valve Tappets
Material
Removal
CAUTION: If removing more than one valve tappet, mark the
components removed for
correct location.
1. Remove the lower intake manifold. For additional information, refer to
Lo ...
Other materials:
Inspection and Verification
1. Road test.
Verify the customer's concern by performing a road test on a smooth
road.
2. Inspect tires.
Check the tire pressure with all normal loads in the vehicle and the
tires cold. For
additional information, refer to the vehicle certification ...
Anti-Theft - Passive Anti-Theft System (PATS) (Description and Operation)
The passive anti-theft system (PATS) contains the following components:
theft indicator
encoded ignition key
transceiver module
instrument cluster
powertrain control module (PCM)
standard corporate protocol (SCP) communication network
The PATS uses rad ...
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. ...