Ring(S), Piston: Installation

WARNING: This page is about a different car, the 2017 RAM ProMaster 3500, 2017 RAM ProMaster 2500, and 2017 RAM ProMaster 1500. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Typical piston shown in illustration.

Install the oil ring expander.
Install the oil ring lower side rail by placing one end between the piston ring groove and the oil ring expander. Hold this end firmly and press down the portion to be installed until the side rail is in position.
Install the oil ring upper side rail in the same manner as the lower side rail.

Courtesy of CHRYSLER GROUP, LLC

NOTE:
Typical piston shown in illustration.

NOTE:
The second ring is of the scraper type and must be installed with scraping edge facing bottom of the piston.
Install the No. 2 (intermediate) piston ring using a ring expander tool.
Install the No. 1 (upper) piston ring using a ring expander tool.

Rotate the rings around the piston, the rings must rotate in the grooves with out binding.

Courtesy of CHRYSLER GROUP, LLC

1 - SECOND COMPRESSION RING GAP POSITION

2 - OIL CONTROL RING GAP POSITION

3 - TOP COMPRESSION RING GAP POSITION

Position the piston ring end gaps as follows:
- Top ring gap must be positioned at the No. 3 position (looking at the piston crown from above).
- Second piston ring gap should be positioned at the No. 1 position.
- Oil control ring gap should be positioned at the No. 2 position.
Install the piston and connecting rod(s). Refer to INSTALLATION .