Honda HR-V Owners & Service Manuals

Honda HR-V: Valve Guide Replacement

Special Tools Required

Valve Guide Driver, 5.35 x 9.7 mm 07742-0010100

Engine Control System & Engine Mechanical - Service Information

Valve Guide Reamer, 5.5 mm 07HAH-PJ7A100

Engine Control System & Engine Mechanical - Service Information

Replacement

1. Valve, Valve Seal, and Valve Spring Seat - Remove

2. Valve Guide - Remove

Engine Control System & Engine Mechanical - Service Information

  1. As illustrated below, 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 valve guides, and chill them in the freezer section of a refrigerator for at least an hour.

Engine Control System & Engine Mechanical - Service Information

  1. Use a hot plate or an oven to evenly heat the cylinder head to 300ºF (150ºC).

    Monitor the temperature with a cooking thermometer. Do not get the cylinder head hotter than 300ºF (150ºC); excessive heat may loosen the valve seats.

Engine Control System & Engine Mechanical - Service Information

  1. Working from the camshaft side, use the valve guide driver and an air hammer to drive the valve guide about 2 mm (0.08 in) towards the combustion chamber. This will knock off some of the carbon and make removal easier. Hold the air hammer directly in line with the valve guide to prevent damaging the driver. Wear safety goggles or a face shield
  2. Turn the cylinder head over, and drive the valve guide out toward the camshaft side of the cylinder head
  3. If a valve guide will not move, drill it out with an 8 mm (5/16 in) drill bit, then try again.
    NOTE : Drill guides only in extreme cases; you could damage the cylinder head if the valve guide breaks.

3. Valve Guide - Install

Engine Control System & Engine Mechanical - Service Information

  1. Take out a new valve guide(s) from the freezer, one at a time, as you need them
  2. Apply a thin coat of new engine oil to the outside of a new valve guide
  3. Install the valve guide from the camshaft side of the cylinder head; use the valve guide driver to drive the valve guide into the specified installed height (A) of the valve guide (B). If you have all 16 valve guides to do, you may have to reheat the cylinder head.

18.25-18.75 mm (0.7185-0.7382 in)

Engine Control System & Engine Mechanical - Service Information

  1. Coat both the valve guide reamer, 5.5 mm and the valve guide with cutting oil
  2. Rotate the valve guide reamer clockwise the full length of the valve guide bore
  3. Continue to rotate the valve guide reamer clockwise while removing it from the bore
  4. Thoroughly wash the valve guide in detergent and water to remove any cutting residue.

4. Valve Stem-to-Guide Clearance - Inspect

NOTE: Verify that a valve slides into the intake and exhaust valve guides without sticking.

5. Valve Seat - Inspect

NOTE: If necessary renew the valve seat using a valve seat cutter.

6. All Removed Parts - Install

  1. Install the parts in the reverse order of removal.

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