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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2002IMPALA LSREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL - 3.8L (UNIT REPAIR)REPAIR INSTRUCTIONSCYLINDER HEAD - ASSEMBLE
2002 Chevrolet Impala LS
Cylinder Head - Assemble
2002 Chevrolet Impala LSSECTION Cylinder Head - Assemble
Tools Required
- J 38606 Valve Spring Compressor
- J 42863 Valve Seal Installer
- Install the valves. The valves are available in standard size and 0.381 mm (0.015 in) oversize. Use oversize valve seals if oversized valves are used.
- Use the following procedure to measure the valve stem height:
- Place the valve on the guide. Hold the valve in the closed position.
- Use a valve stem height gauge to measure the valve stem height.
- The measurement should be 49-50 mm (1.93-1.97 in).
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.