Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMERCURY1997TRACER L4-122 2.0L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECYLINDER BLOCK ASSEMBLYSYSTEM SPECIFICATIONSPISTON
1997 Mercury Tracer L4-122 2.0L SOHC
Piston
1997 Mercury Tracer L4-122 2.0L SOHCSECTION Piston
Clearance
Piston to Bore
Rebuild 0.020-0.040 mm (0.0008-0.0015 inch)
Service 0.020-0.070 mm (0.0008-0.0027 inch)
Diameter 84.77-84.80 mm (3.3374-3.3386 inch)
Piston Pin Bore
Diameter 20.632-20.641 mm (0.8123-0.8126 inch)
Ring Groove Width
Compression
Top 1.53-1.55 mm (0.0602-0.061 inch)
Bottom 1.53-1.55 mm (0.0602-0.061 inch)
Oil 4.008-4.032 mm (0.1578-0.1587 inch)
Ring to Groove Clearance
Refer to Piston Ring.
Squish Height 0.908-1.858 mm (0.036-0.073 inch)
Piston to Bore
Rebuild 0.020-0.040 mm (0.0008-0.0015 inch)
Service 0.020-0.070 mm (0.0008-0.0027 inch)
Diameter 84.77-84.80 mm (3.3374-3.3386 inch)
Piston Pin Bore
Diameter 20.632-20.641 mm (0.8123-0.8126 inch)
Ring Groove Width
Compression
Top 1.53-1.55 mm (0.0602-0.061 inch)
Bottom 1.53-1.55 mm (0.0602-0.061 inch)
Oil 4.008-4.032 mm (0.1578-0.1587 inch)
Ring to Groove Clearance
Refer to Piston Ring.
Squish Height 0.908-1.858 mm (0.036-0.073 inch)
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.