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Home >> Mercury >> 1985 >> Lynx Base, 2D Hatchback, 1.6 2 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Diesel >> Testing >> Fuel System Testing >> Crankcase Pressure Test

Crankcase Pressure Test

  1. Remove breather hose from camshaft cover and plug opening. Remove oil filler cap and install adapter (10340). See Figure . Connect adapter line to 0-60 in. H2O gauge.
  2. Install cap (10870) on dipstick tube and cap (10872) on breather nipple of camshaft cover. Run engine at 4000 RPM, no load. Pressure should not exceed 6 in. H2O at 4000 RPM. If it does, there is internal engine problem.
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