C Yukon 2WD V8-5.7L VIN R (1999)
19. For vehicles with the Turbo Diesel with Light Duty chassis, install the retainer clips and brackets that secure the transmission cooler lines to the
engine.
20. For vehicles with the Turbo Diesel with Heavy Duty chassis, install the retainer clips and brackets that secure the transmission cooler lines to the
engine.
21. For vehicles with the 7.4L Engine and the GVW 15,000 lb chassis, install the retainer clips and brackets that secure the transmission cooler lines
to the engine.