2. Install the J 8037 onto the piston and compress the piston rings. See Special Tools.
Fig. 635: View Of Piston
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: When assembled, the following reference marks must be
addressed; the reference mark on top of the piston (1) must
face the front of the engine block. The dimple on the
connecting rod (2) must face the front of the engine block on
cylinders 2, 4, and 6, and towards the rear of the engine
block on cylinders 1, 3, and 5. Wrap a clean, lint free towel
around the connecting rod ends when installing the piston
into the cylinder so as not to damage the crankshaft journals
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado