1999 Volvo C70 Engine cooling Problems
- Complaints
- 5about this part
- Share
- 22%of 23 total for the year
- Median mileage
- 75,050miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine cooling of the 1999 Volvo C70, 22% of the 23 complaints for this model year. Where a mileage was given, the median is 75,050 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.
“Etm failed in car for the second time at 115,000 miles on vehicle, previously replaced september 2003 at 64,000 miles. Driving from ohio to pa for thanksgiving ets light and check engine light illuminated. After thanksgiving dinner went to go home and my Volvo C70 quit accelerating while entering a 4 lane highway from an entry ramp. Fortunately, traffic was light and traffic was easily able to pass to the left until I coasted off to the berm of the road. The car was idling but did not have power to go up small grade. …”
NHTSA complaint #10144759, filed 2005-12, 115,100 miles“Engine check light came on and we were told that nothing was wrong and it was reset. The second time the check engine light came on, the co2 sensor was replaced. The third time was the same day it was repaired for the 2nd time and the check engine light came on 20 miles later. The oxygen sensor was replaced again. In addition, the ignition & fuel injection fault tracing was found faulty. They also found that the mass air flow meter was faulty & had to be replaced, we've had problems with the air conditioner which has a constant ticking sound that they claim is normal for this model. …”
NHTSA complaint #724775, filed 2000-06“The contact stated in february 2005 the engine surged while idling at stop signs. The dealership replaced the electric throttle module. In 2002 and on july 25, 2005 the vehicle veered to the right. Upon inspection the independent repair shop determined the engine mounts needed to be replaced. Also, on january 20, 2005 there was a noise coming from the drive shaft. Upon inspection the independent repair shop replaced the drive shaft because it had weakened. All the problems occurred at various speeds.”
NHTSA complaint #10150128, filed 2006-02, 35,000 miles“Consumer states that the ets light comes on and then the engine light comes on, soon afterward the vehicle begins to hesitate. The mechanic can not find the problem. Consumer states she has had the vehicle in the shop, get it out and then when she get in the vehicle to start it up, the vehicle's engine light comes on and the vehicle begin to hesitate. She says now there is a ringing sound that comes on about every 8 seconds. Ts”
NHTSA complaint #10004534, filed 2003-01Related service bulletins
- 10169030Oct 16, 2019This is a Technical Journal: Oil in cooling system. New cleaning method developed.
- 10157864Feb 9, 2019This is a Technical Journal: Oil in cooling system. New cleaning method developed.
- 10156257Feb 9, 2019This is a Technical Journal: Oil in cooling system. New cleaning method developed.
- 10019763Feb 20, 2006Cleaning the crankcase ventilation.
- 10019762Feb 20, 2006Checking crankcase ventilation system.
- 10018801Feb 20, 2006Warranty coverage should a customer epxerience a defect wit the etm system beyond the terms of the normal new car warranty. *tt troubleshooting electronic throttle system (ets)…
Engine cooling: other model years
Other parts of the 1999 Volvo C70
5 complaintsElectrical system
4 complaintsFuel system
3 complaintsBrakes
2 complaintsTires
2 complaintsTransmission and drivetrain
2 complaintsElectronic stability control
1 complaintsEquipment
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaintsSteering
1 complaintsBody and structure
1 complaints
← All problems reported for the 1999 Volvo C70
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