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Engine coolingPart report

2009 Audi A4 Cabriolet Engine cooling Problems

Complaints
1about this part
Share
5%of 22 total for the year
Median mileage
—not reported
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 1 complaints about the engine cooling of the 2009 Audi A4 Cabriolet, 5% of the 22 complaints for this model year.

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.

“2009 Audi A4 CABRIOLET. Consumer writes in regards to vehicle check engine light indicates consumer had to replace faulty relays, evap purge valve, leak detection pump, high pressure fuel pump tappet, valve cover gasket and pcv valve assembly. The valve cover gasket was leaking.”

NHTSA complaint #10872020, filed 2016-06

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
200915%

Other parts of the 2009 Audi A4 Cabriolet

Air bags
18 complaints
Fuel system
3 complaints
Engine
1 complaints
Other or unknown
1 complaints

← All problems reported for the 2009 Audi A4 Cabriolet

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