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Home >> GMC >> 1982 >> Forward Control 7.4L Eng VIN W, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 7.4 Liter V8 >> Valves >> Valve Guide Servicing

Valve Guide Servicing

If valve stem-to-guide clearance is excessive, guides are removable and can be replaced, or valves with oversize stems are available. Use a reamer (J-7049) to ream guides to correct size for oversize valve stems.