Service bulletins for the 2017 Cadillac CTS
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1396 on file from NHTSA, as of 2026-10-19.
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By component
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Only bulletins with component: Drive belts are shown. Show all
| 15NA040 | 2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS; ENGINE. This technical bulletin provides repair information for replacement of the drive belt tensioner to correct a customer concern for a rattle noise at 48 km/h (30 mph) to 64 km/h (40 mph) when the engine is switching between V4 and V8 and/or they notice fluid leaking from the bellow on top of the tensioner. |
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| PIP5455A | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary Information communication provides information to the technician about vehicles that have a rattle or flutter noise from the supercharger tensioner and belt. Dealer shouldReplace the supercharger belt with aGates Belt P/N K080852HD. |
| PIP5492 | 2017-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. This Preliminary information communicatesCustomers may comment on a Scraping or Moan Noise heard during engine idle. Caused by theSupercharger Idler Pulley flipped 180 degrees on Idler. Advised to replace theReplace Idler Assembly – P/N 12668046 (#8) |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.