Ford Mustang (1999-2004) Service Manual: Piston Inspection
Special Tool(s)
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Scraper, Piston Ring Groove 303-D033 (D81L-6002-D) or equivalent |
CAUTION: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur.
1. Clean and inspect the (1) ring lands, (2) skirts, (3) pin bosses, and the (4) tops of the pistons. If wear marks, scores or glazing is found on the piston skirt, check for a bent or twisted connecting rod.
2. Use the Piston Ring Groove Scraper to clean the piston ring grooves.
- Make sure the oil ring holes are clean.
Crankshaft - Connecting Rod Journal Taper, Out of Round
1. Measure the crankshaft connecting rod journal diameters in two
directions perpendicular to one
another at each end of the connecting rod journal. The difference in the
measurements from
one e ...
Piston - Pin to Bore Diameter
1. WARNING: Cover the end of the pin bore with a hand or shop rag when
removing
the retainer ring, since it has a tendency to spring out. Wear eye protection.
NOTE: Piston and piston pins are a matc ...
Other materials:
Inspection and Verification
1. Verify the customer concern by operating the engine to duplicate the
condition.
2. Visually inspect for obvious signs of mechanical damage. Refer to the
following chart.
Visual Inspection Chart
Mechanical
Engine coolant leaks
...
Connecting Rod - Twist
1. Measure the connecting rod twist on a suitable alignment fixture.
Follow the instructions of the
fixture manufacturer. Verify the measurement is within specification.
Refer to the appropriate section in Group for the procedure.
If out of specificat ...
Front Seat Backrest
Removal and Installation
All vehicles
1. Remove the seat. For additional information, refer to Seat-Front Power
in this section.
2. Remove the front seat backrest latch. For additional information, refer
to Latch-Front Seat
Backrest in this section.
...
