S&T Series Blazer, Bravada, Envoy, Jimmy, Rainier, Trailblazer, Xtreme

Cylinder Bank Identification


Engine sensors are identified for each engine cylinder bank by SAE regulations as explained below.

Bank - A specific group of engine cylinders that share a common control sensor (e.g., Bank 1 identifies the location of Cyl 1 while Bank 2 identifies the cylinders on the opposite bank).

An example of the cylinder bank configuration for a Chevrolet Lumina with FWD and a 3.4L V6 (VIN X) transverse mounted engine is shown in the Graphic to the right.

Click image to see an enlarged view

Fig. Cylinder Bank Identification Graphic