Piston Ring Installation
WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The No. 1 and No. 2 piston rings have a different cross section. Ensure No. 2 ring is installed with manufacturers I.D. mark (Dot) facing up, towards top of the piston.
NOTE:
Piston rings are installed in the following order:
- Oil ring expander
- Lower oil ring side rail
- Upper oil ring side rail
- No. 2 Intermediate piston ring
- No. 1 Upper piston ring
- Install the oil ring expander.
- Install upper side rail by placing one end between the piston ring groove and the expander ring. Hold end firmly and press down the portion to be installed until side rail is in position. Repeat this step for the lower side rail.
1 - Oil Ring Side Rail Installation - Install No. 2 intermediate piston ring using a piston ring installer.
Installing Intermediate and Upper Piston Rings - Install No. 1 upper piston ring using a piston ring installer.NOTE:
Install the piston rings so the gaps positioned as indicated with the piston viewed from the top.
NOTE:Staggering ring gap is important for oil control.
- Install the oil expander so the ring gap is located in the (1) position.
Piston Ring End Gap Positions - Install the oil ring rails so the ring gap is located in the (2, 4) position.
- Install the second compression ring so the ring gap is located in the (5) position.
- Install the top compression so the ring gap is located in the (1) position.