2011 Scion XB Engine cooling Problems
- Complaints
- 2about this part
- Share
- 4%of 54 total for the year
- Median mileage
- 25,720miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine cooling of the 2011 Scion XB, 4% of the 54 complaints for this model year. Where a mileage was given, the median is 25,720 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.
“2011 Scion XB abrupt throttle response off idle. Vehicle jack rabbits to accelerate. Very hard to accelerate slowly and safely. Can be dangerous in traffic and parking lots. You have to keep your left foot hard on the brake. Toyota refuses to acknowledge responsibility for the problem.”
NHTSA complaint #10353582, filed 2010-09, 10 miles“8/26/14 mechanic found bad water pump/ AC blowing warm - recharged system, on 8/27 made clacking sound. 8/28 went 10 miles at 70 MPH. On off ramp of freeway car started smoking, air went completely warm, battery light and heat indicator light came on. Pulled into parking lot & had to be towed. 8/29/14 second mechanic found AC compressor had to be replaced. Plastic brace that supported belts connected to the AC compressor had broken off and wrecked the compressor. Said could have caused much more damage. Should the water pump and AC compressor have gone at 51,000 miles? …”
NHTSA complaint #10629798, filed 2014-08, 51,430 milesRelated service bulletins
- 10152211Jan 12, 2017Warranty Policy Bulletin: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of…
- 10111476Nov 18, 2015WPB: The engine is covered under the Toyota New Vehicle Limited Warranty for 5 years from the date of first use or 60,000 miles (whichever occurs first). However, Toyota is…
- 10111475Nov 17, 2015WPB: The engine is covered under the Toyota New Vehicle Limited Warranty for 5 years from the date of first use or 60,000 miles (whichever occurs first). However, Toyota is…
- 10111500Nov 2, 2015SSB: Some 2007 - 2010 model year tC and 2008 - 2015 model year xB vehicles equipped with the 2AZ-FE engine may exhibit engine oil consumption. The piston assembly has been…
- 10111556Oct 5, 2015WPB: Toyota has received some reports where the vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement…
- 10111552Oct 1, 2015TT: * There has been some concern with 3 Piece Piston Ring installations for 2AZ-FE engines. * This Tech Tip contains the accepted installation method required for Scion vehicles.
- 10134250Sep 30, 2015TT: ? Based on current part order allocation, some piston types have been incorrectly identified while undergoing the ZE7 2AZ Oil Consumption repair procedure. ? Replacement…
- 10134256Sep 10, 2015WPB: Toyota has received some reports where vehicles may exhibit excessive engine oil consumption. Toyota is now announcing the part replacement phase of Warranty Enhancement…
- 10134468Aug 12, 2015Warranty Enhancement: BACKGROUND As part of our continual efforts to ensure the best in customer satisfaction, Toyota has announced a Warranty Enhancement Program to extend…
- 10134235Jul 10, 2015EC: Currently the Reair Kit for RAV4 Vehicles PN: 04004-11828 is missing exhaust gasket 90917-06078 at this time to supplement this kit contents. The warranty system has been…
Engine cooling: other model years
Other parts of the 2011 Scion XB
41 complaintsEngine
6 complaintsBrakes
3 complaintsBody and structure
3 complaintsOther or unknown
2 complaintsElectrical system
1 complaintsSteering
1 complaintsTires
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2011 Scion XB
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