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Engine coolingPart report

2005 Pontiac Sunfire Engine cooling Problems

Complaints
2about this part
Share
3%of 68 total for the year
Median mileage
24,147miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 2 complaints about the engine cooling of the 2005 Pontiac Sunfire, 3% of the 68 complaints for this model year. Where a mileage was given, the median is 24,147 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.

“Date: 5/2/07 Sunfire 2005 was purchased brand new in 9/05 investment purpose in a new car for safety, reliability, gas mileage, non-repair and price of vehicle. At 26,000 miles, $900 of repairs were placed on the car in upgrades to keep the vehicle running, to-date, counting 10 failures, first date of failure requiring car repair 12/27/06. (not including vehicle maintenance) repairs demand at a minimum 3hrs of time at each repair visit. Repairs on vehicle demand just a few more hundred dollars in cash payments and cost of a car rental while vehicle is down. …”

NHTSA complaint #10189474, filed 2007-05, 24,147 miles

Related service bulletins

Engine cooling: other model years

YearComplaintsShare of year
200523%
2004413%
2003811%
20021113%
20011218%
20002526%
19991718%
19983227%
19973116%
19963919%
19953832%

Other parts of the 2005 Pontiac Sunfire

Electrical system
60 complaints
Steering
4 complaints
Vehicle speed control
4 complaints
Engine
3 complaints
Exterior lighting
3 complaints
Fuel system
3 complaints
Visibility (wipers, defrost, mirrors)
3 complaints
Brakes
2 complaints
Latches, locks and linkages
2 complaints
Suspension
2 complaints
Electronic stability control
1 complaints
Tires
1 complaints

← All problems reported for the 2005 Pontiac Sunfire

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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