This bulletin applies to 2014-2016 Cadillac CTS-V Sport and XTS vehicles equipped with the LF3 Twin Turbocharged engine. A rattle noise at the turbocharger may be evident when cold, at idle. There is a revised part available for this concern.
This bulletin applies to 2014-2016 Cadillac CTS-V Sport and XTS vehicles equipped with the LF3 Twin Turbocharged engine. A rattle noise at the turbocharger may be evident when cold, at idle. There is a revised part available for this concern.
The new part has a revised spring for the wastegate to limit movement when cold. The new part numbers are 12666538 (LH) and 12666539 (RH) for CTS-V Sport and 12666540 (both RH and LH) for the XTS.
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Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
