11th Generation (2015-2020) Suburban Problems

The Worst 2015-2020 Suburban Problems

A/C Condenser Leaking

GM used leaky air conditioners that buckle under pressure in many 2014-2017 trucks and SUVs. Whether it's busted hoses or leaky condensors, thousands of GM owners are showing up to work with sweat stains down their back. It's such a widespr…

Chevy Shake

When traveling above 35mph, GM's full size trucks and SUVs are experiencing cabin vibrations along with terribly loud noises from buffeting wind that is making owners sick. GM says these vibrations are within their acceptable vibration rang…

Takata Recalls

A large number of Chevy vehicles have been recalled because they contain dangerous airbag inflators made by Takata. The shrapnel-hurling inflators have been recalled in over 37 million vehicles (and counting).

Excessive Oil Consumption

Stuck oil control rings, insufficient crankcase seals, and too much oil in the combustion chambers are just a handful of reasons Chevy engines seem to be consuming too much oil.

What Owners Complain About

Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.

Worst Issues

2015 Suburban A/C stopped working 24 (100%)
2015 Suburban brakes stopped working 9 (38%)
2015 Suburban difficulty stopping 9 (38%)
2016 Suburban A/C condenser failure 8 (33%)
2015 Suburban panels between windows come off 6 (25%)

Worst Topics

HVAC 35 (100%)
Brakes 21 (60%)
Transmission 13 (37%)
Interior 10 (29%)
Body 9 (26%)

Worst Years

2017 2 (2%)
2016 26 (29%)
2015 91 (100%)

11th Generation Suburban in the News

Important Recall for Parents with Child Seats Installed

Posted on: October 16, 2018
Source: carcomplaints.com

There’s an important recall for parents who’ve installed child seats using a seat belt.

For installation of the child seat using the seat belt, there are automatic retractor assemblies equipped with retractors that lock automatically.
This … continue reading

Lawsuit Says GM Owners Should be Worried About Vacuum Pump Problems Creating Stiff Break Pedals

Posted on: October 10, 2018
Source: carcomplaints.com

A lawsuit says a failed vacuum pump in GM’s brake boosters can make the brake pedal extremely hard to push, leading to longer stopping distances and accidents.
While investigating a rear-end collision involving the lead plaintiff ”GM told h … continue reading

Oklahoma Lawsuit Says GM’s A/C Only Blows Hot Air

Posted on: March 15, 2018
Source: carcomplaints.com

A lawsuit filed in Oklahoma says GM’s A/C will only blow hot air due to multiple defects in the HVAC system. And that the automaker wasn’t upfront about the problem.

The lawsuit says there are at least two defective parts of the air condit … continue reading

GM Owners Still Trying to Convince Judge of Vortec Oil Problems

Posted on: February 3, 2018
Source: carcomplaints.com

GM owners are still trying to convince a judge that Vortec 5300 engines have oil consumption problems and don’t give owners adequate warnings when oil levels are dangerously low.

According to the lawsuit, the Vortec 5300 engines in the veh … continue reading

By the Numbers

3 model years
Grouping all models by their year can reveal some baddies.
119 complaints
Running tally of owner grievances filed to CarComplaints.com.
43rd in reliability
Overall reliability rank out of 80 eligible generations.