Skip to content
Other or unknownPart report

1991 Ford Aerostar Other or unknown Problems

Complaints
3about this part
Share
1%of 223 total for the year
Median mileage
105,410miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the other or unknown of the 1991 Ford Aerostar, 1% of the 223 complaints for this model year. Where a mileage was given, the median is 105,410 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.

“1) replaced both head gaskets and bolts! 2) replaced extension housing gasket 3) replaced both valve cover gaskets, oil pan gasket, oil filter adapter o-rings”

NHTSA complaint #10069585, filed 2004-01

Other or unknown: other model years

YearComplaintsShare of year
1999114%
199723%
199611%
199543%
199462%
199362%
199241%
199131%
199032%
198811%

Other parts of the 1991 Ford Aerostar

Electrical system
67 complaints
Transmission and drivetrain
49 complaints
Brakes
34 complaints
Vehicle speed control
23 complaints
Equipment
14 complaints
Engine cooling
13 complaints
Body and structure
9 complaints
Steering
7 complaints
Latches, locks and linkages
6 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Suspension
5 complaints
Fuel system
4 complaints

← All problems reported for the 1991 Ford Aerostar

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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