Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
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Ensure the oil cooler line being installed has a plastic cap on the end that connects to the quick connect fitting. If no plastic cap exists,
or the plastic cap is damaged, obtain a new cap. Install the cap onto the cooler line prior cooler line installation.
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Do not use the plastic cap in order to install the cooler line into the fitting.
If equipped with RPO L76 (6.0L) engine, perform the following:
1. Install the oil cooler hoses to the hose clip on the fan shroud.
2. Snap the oil cooler hose clip shut.
15. Install the oil cooler lines to the radiator.
