GM 12666540 Turbocharger Asm (Lf3 Back K)

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To work on the turbocharger ducting, first, raise and support the front of the vehicle, remove the engine cover, and the engine undercover. For the Charge Air Cooler to Throttle Body duct, release the clip, remove the bracket bolt, and detach the coolant hose clip. Then, working under the vehicle, release the clip attaching the duct to the charge air cooler and remove the duct. To remove the turbocharger, drain the engine coolant and engine oil, and disconnect the negative battery cable. Remove the engine cover, under-vehicle cover, and the air intake duct between the air filter housing and the turbocharger.