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Engine coolingPart report

1991 Chevrolet Suburban Engine cooling Problems

Complaints
4about this part
Share
8%of 52 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the engine cooling of the 1991 Chevrolet Suburban, 8% of the 52 complaints for this model year. 2 a fire, according to the filers.

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.

“Engine oil cooling lines from engine oil filter to engine oil cooler wear against frame under engine, and may cause bad engine oil leak . I have seen this problem two times once on my own truck and on a friends truck of the same make model year and general equipment.”

NHTSA complaint #736034, filed 2000-11

“While driving at approximately 65 MPH, noticed flames coming out of vehicle. Upon opening hood, noticed that alternator overheated, resulting in a vehicle fire. Also serpentine belt overheated/burned.”

NHTSA complaint #522906, filed 1997-08

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 1991 Chevrolet Suburban

Brakes
12 complaints
Seats
12 complaints
Transmission and drivetrain
9 complaints
Tires
7 complaints
Seat belts
4 complaints
Electrical system
2 complaints
Other or unknown
2 complaints
Steering
2 complaints
Wheels
2 complaints
Fuel system
1 complaints
Body and structure
1 complaints

← All problems reported for the 1991 Chevrolet Suburban

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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