LEMON Manuals: Even more car manuals for everyone
Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (5.7L - Engine (Service Information)) >> Engine Block >> Standard Procedure >> Piston Ring Fitting >> Piston Ring Side Clearance

Piston Ring Side Clearance

WARNING: This page is about a different variant/trim than selected.
NOTE:

Make sure the piston ring grooves are clean and free of nicks and burrs.

GC0081784Courtesy of CHRYSLER GROUP, LLC
1 - Feeler Gauge
  1. Measure the ring side clearance as shown, make sure the feeler gauge fits snugly between the ring land and the ring. Replace any ring not within specification.
  2. Rotate the ring around the piston, the ring must rotate in the groove without binding.
PISTON RING SPECIFICATION CHART

Piston Ring Position Piston Ring Side Clearance Maximum Clearance
Upper Ring    
Metric 0.04 - 0.09 mm 0.11 mm
Standard 0.001 - 0.003 in. 0.004 in.
Intermediate Ring    
Metric 0.04 - 0.08 mm 0.10 mm
Standard 0.001 - 0.003 in. 0.004 in.
Piston Ring Position  Piston Ring End Gap  Wear Limit 
Upper Ring    
Metric 0.40 - 0.55 mm 0.43 mm
Standard 0.015 - 0.021 in. 0.017 in.
Intermediate Ring    
Metric 0.24 - 0.51 mm 0.74 mm
Standard 0.009 - 0.020 in. 0.029 in.
Oil Control Ring (Steel Rail)    
Metric 0.015 - 0.66 mm 0.76 mm
Standard 0.005 - 0.025 in. 0.030 in.