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Measuring Piston Ring End Gap Cadillac Escalade GMT800

Mechanical 1 illustration ~134 words

Important: Do not attempt to file the end of the piston ring for fit in the cylinder bore.

Important: Measure the piston ring in the cylinder in which the piston ring will be used.

Scheme 545

Scheme 545: Measuring Piston Ring End Gap
  1. Place the piston ring into the cylinder bore.
  2. Push the piston ring into the bore 6.5 mm (0.25 in) below the piston ring travel area.
  3. Insert a feeler gage and measure the piston ring end gap. Refer to «Engine Mechanical (4.8L, 5.3L, And 6.0L) Specifications (LR4 VIN V)»(ref-180687-S37357202772005101000000) or «Engine Mechanical (4.8L, 5.3L, And 6.0L) Specifications (LM7 VIN T)»(ref-180687-S36349662982005101000000) or «Engine Mechanical (4.8L, 5.3L, And 6.0L) Specifications (L59 VIN Z)»(ref-180687-S38534728162005101000000) or «Engine Mechanical (4.8L, 5.3L, And 6.0L) Specifications (LQ4 VIN U)»(ref-180687-S14211243912005101000000) or «Engine Mechanical (4.8L, 5.3L, And 6.0L) Specifications (LQ9 VIN N)»(ref-180687-S02276640972005101000000) .