Bonneville, LeSabre, Park Avenue 2000-2005

Piston & Ring Positioning

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Fig. Engine connecting rod and cap installation. Be sure to matchmark the cap and rod prior to disassembly, as shown.



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Fig. Piston ring end-gap spacing-3.8L engines



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Fig. Piston positioning. Often the arrow is replaced by a notch, which also must face toward the front of the engine-3.8L engines



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Fig. Piston ring positioning-3.8L engines



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Fig. Correct piston ring installation-4.6L engine 1. Oil control ring and expander, and 2nd compression ring gaps 2. Upper oil control ring gap 3. Top compression ring gap 4. Lower oil control ring gap

 
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