Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
20. Remove the right exhaust pipe to EGR valve cooler nuts (2).
21. Remove the rear EGR valve cooler bolts (1).
22. Remove the outside bolt (2) of the EGR cooler heat shield.
23. Loosen the inside EGR cooler heat shield bolt (1) and rotate the heat shield counter-clockwise.
