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Valve Guides Cadillac Eldorado X

Mechanical ~103 words
  1. Valve guides are not replaceable. Wear in the bottom .39" (10.0 mm) of valve guide is acceptable. Using a hole gauge, measure inside diameter of guide perpendicular (crosswise) to camshaft. Measure at top of bore and .39" (10.0 mm) from bottom of bore. Measure diameter of valve stem.
  2. Subtract diameter of valve stem from greater of 2 valve guide inner diameter measurements. Resulting value is valve stem-to-guide oil clearance. If clearance exceeds specification, determine whether installing a NEW standard diameter valve stem will bring clearance within specification. If it will not, replace cylinder head. See «CYLINDER HEAD»(ref-54836-S00912116492001011700000) table under ENGINE SPECIFICATIONS.