1999 Saturn SC1 Engine cooling Problems
- Complaints
- 2about this part
- Share
- 10%of 21 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 1999 Saturn SC1, 10% of the 21 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.
“While driving 20 MPH there was a clunk type noise and without any indication vehicle stalled. Dealer noticed valve spring was broken. Manufacturer and dealer were contacted. Dealer found spring valve broke, causing the piston to hit the valve and bend the valve. Mechanic states that the problem was a result of a manufacturer defect. Saturn finally agreed to pay a portion of cost to install new engine.”
NHTSA complaint #8012110, filed 2002-06“Service engine soon light came on, mechanic states the oxygen sensor failed and needs to be replaced. Nlm Saturn will not replace or fix the unit, also, consumer had to replace a muffler on the vehicle.”
NHTSA complaint #8008049, filed 2002-04Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2001 | 3 | 12% |
| 1999 | 2 | 10% |
| 1998 | 13 | 33% |
| 1997 | 11 | 18% |
| 1996 | 8 | 21% |
| 1995 | 7 | 12% |
| 1994 | 13 | 16% |
| 1993 | 9 | 16% |
| 1992 | 3 | 20% |
Other parts of the 1999 Saturn SC1
4 complaintsSeat belts
4 complaintsSeats
4 complaintsAir bags
3 complaintsElectrical system
2 complaintsTires
2 complaintsEquipment
1 complaintsSteering
1 complaintsSuspension
1 complaintsTransmission and drivetrain
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 1999 Saturn SC1
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