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Engine coolingPart report

2020 Chevrolet Suburban Engine cooling Problems

Complaints
1about this part
Share
2%of 44 total for the year
Median mileage
30,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2020 Chevrolet Suburban, 2% of the 44 complaints for this model year. Where a mileage was given, the median is 30,000 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2020 Chevrolet Suburban. The contact stated that while operating the vehicle a banging noise was present coming from the engine compartment. Additionally, while driving, the cluster gauges and the air conditioning malfunctioned. The vehicle was later examined by an independent mechanic who diagnosed that the water pump had failed. The vehicle was towed to the local dealer but not repaired. The manufacturer was not notified of the failure. The failure mileage was 30,000.”

NHTSA complaint #11436874, filed 2021-10, 30,000 miles

Engine cooling: other model years

YearComplaintsShare of year
2024613%
202397%
202254%
2021115%
202012%
201923%
201510%
201011%
200922%
200821%
200762%
200614%
200522%
2004126%
2003103%
2002166%
2001307%
2000124%
1999335%
1998178%
1997205%
19963610%
1995112%
1994233%
1993173%
199274%
199148%
199024%
198946%
198827%
1987211%
1985222%

Other parts of the 2020 Chevrolet Suburban

Engine
17 complaints
Transmission and drivetrain
10 complaints
Electrical system
8 complaints
Other or unknown
4 complaints
Steering
4 complaints
Brakes
3 complaints
Fuel system
3 complaints
Vehicle speed control
3 complaints
Air bags
2 complaints
Electronic stability control
2 complaints
Suspension
2 complaints
Forward collision avoidance
1 complaints

← All problems reported for the 2020 Chevrolet Suburban

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology