2016-2019 · 4 model years
Owners have filed 55 complaints about the Buick Cascada across 4 model years, and it has 1 recall. The 2016 has the most complaints once its age is allowed for (23), while 2019 has far fewer than a typical year. The most reported problem area is the engine & cooling, followed by the body, doors & structure.
Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.
General Motors LLC (GM) is recalling certain model year 2016 Buick Cascada vehicles manufactured December 1, 2015, to February 24, 2016. The affected vehicles may have had the original convertible roof control module (CRCM) replaced with an incorrect CRCM...
The contact owns a 2016 Buick Cascada. The contact stated that while driving at various speeds, the vehicle shuddered with an abnormal whistling sound coming from the vehicle. The vehicle was taken to a local independent mechanic, where it was diagnosed and determined that the PCV valve needed to be replaced. Two local dealers were contacted; however, the contact was informed that an unknown Buick Special warranty coverage had expired. The manufacturer was made aware of the failure by telephone. The failure mileage was approximately 38,000.
Loss of power and humming noise from loose cam cover. (Buick Cascada 2016 and 2019 model years had recalls correcting this problem; but not 2017 or 2018 models. All years have the same engines. I think my vehicle should have been recalled.)
After owning for a year, it started idling very rough. Took it to a shop and there was a GM Service Bulletin issued on these cars N192291620 that expired on 6/2026. They would not reimburse me as it expired and car was repaired by a third party. We had only put 500 miles on it since purchasing. It was the Valve Cover Gasket. As we are on a fixed income with a car under 50k miles, this was a big hit for us.
Pcv failed causing rough idle, etc light and squeezing sound
A squealing sound was coming from the top of my engine and I had low/rough idle and it progressed to a low voltage output and check engine lights. This happened while i was driving on the highway and my speed was eratic and I had to cross 2 lanes to get the next exit. The problem has been reproduced my an indepent service center. The PCV vent constantly pulled vacuum (was stuck open to atmosphere) and the sound was only relieved by removing the dip stick. No warning lamps messages or symptoms. There is NO part...
number difference in the Camshaft cover between model years 2016 thru 2019 Cascadas. I believe that the 2018 should be included in the same Special coverage as the 2016 and 2019 model years. This issue has been noted in several Casada forums and is also the same as NHTSA complaint IDs: 11593462, 11587414, 11574318, 11515179.
Vehicle is a 2018 requiring valve cover replacement due to an issue that was recalled on previous years, most recently 2016. Extended warranty was offered for these repairs. TSB Special Coverage N192291620 - Camshaft Cover Replacement (later superseded by N232395320). This should be reviewed for additional recalls.
Among model years that have been on the road for at least three years, 2019 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other Cascada years. Always check the exact vehicle's recalls by VIN before you buy.
Across every model year, owners report problems with the engine & cooling (22), body, doors & structure (15), visibility & wipers (9) most often.
NHTSA lists 1 recall across all Buick Cascada model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data
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