Piston & Connecting Rod: Description

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Piston and Rod Assembly

Courtesy of DAIMLERCHRYSLER CORP.

1 - CONNECTING ROD

2 - PISTON

3 - PISTON PIN

4 - OIL SLINGER SLOT

CAUTION: Do not use a metal stamp to mark connecting rods as damage may result, instead use ink or a scratch awl.

The pistons. See Fig 1(2) are made of a high strength aluminum alloy. The connecting rods (1) are made of forged powdered metal, with a "fractured cap" design. A full floating piston pin is used to attach the piston to the connecting rod.