K 1500 Yukon 4WD V8-5.3L VIN Z Flex Fuel (2003)
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12. Ensure that no gap is present between the cap and the fitting.
13. Ensure that the yellow identification band on the tube is hidden within the quick connect fitting.
14. A hidden yellow identification band indicates proper joint seating.
15. Fill the transmission to the proper level with DEXRON III transmission fluid.