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Home >> Lincoln >> 1987 >> Mark VII Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 5.0L V8 - VIN [F] & 5.0L Ho V8 - VIN [M] >> Removal & Installation >> Camshaft >> Inspection

Removal & Installation: Camshaft: Inspection

  1. Check camshaft journals for out-of-round condition. If journals exceed .0005" (.013 mm) out-of-round, replace camshaft. Check camshaft end play. Standard end play is .001-.007" (.025-.178 mm). End play service limit is .009" (.228 mm). Replace thrust plate if clearance is excessive.
  2. Check camshaft journal runout. Runout limit is .005" (.013 mm). Check camshaft for alignment. Use "V" block and dial indicator. If dial gauge reads more than .0015" (.040 mm), replace camshaft. Check camshaft journal-to-bearing clearance. Service limit is .006" (.15 mm).
  3. Check camshaft lobe lift. Attach dial indicator with a ball/socket attachment to camshaft carrier or "V" block. Measure lobe lift. Allowable lobe lift loss is .005" (.013 mm). If not to specification, replace camshaft.
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