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HOMESERVICE MANUALSHONDA2020CIVIC SPORT, 4D HATCHBACK, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL / ENGINE MECHANICAL - SERVICE, TESTING & TROUBLESHOOTINGREPLACEMENTVALVE GUIDE REPLACEMENT (K20C2)REPLACEMENT
2020 Honda Civic Sport, 4D Hatchback, Standard Trans

Valve Guide Replacement (K20C2): Replacement

2020 Honda Civic Sport, 4D Hatchback, Standard TransSECTION Replacement
  1. Valve Seal and Valve Spring Seat - Remove
  2. Valve Stem-to-Guide Clearance - Inspect 
  3. Valve Guide - Remove
    GHH406727Courtesy of HONDA, U.S.A., INC.
    		 1. As illustrated, use a commercially available air-impact valve guide driver (A) modified to fit the diameter of the valve guides. In most cases, the same procedure can be done using the valve guide driver, 5.35 x 9.7 mm and a conventional hammer.

    2. Select the proper replacement guides, and chill them in the freezer section of a refrigerator for at least an hour.
    GHH406728Courtesy of HONDA, U.S.A., INC.
    		 3. Use a hot plate or oven to evenly heat the cylinder head to 300 deg.F (150 deg.C). Monitor the temperature with a cooking thermometer. Do not get the head hotter than 300 deg.F (150 deg.C); excessive heat may loosen the valve seats.
    GHH406729GHH406730Courtesy of HONDA, U.S.A., INC.HONDA, U.S.A., INC.
    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.