2021 Toyota RAV4: engine overheating

5 of the 389 complaints about the 2021 Toyota RAV4 describe engine overheating.

owner complaints: 5
of this car's complaints: 1%
recalls: 0

Is there a fix? 53 service bulletins cover this area of the car. See below

Engine overheating by model year

2024
1
2023
1
2022
1
2021
5
2020
27
2019
48
2018
4
2014
1
2013
3
2011
1
2008
1
2007
3
2006
4
2005
2
2004
10
2003
1

What owners say

Filed Apr 29, 2026 · Engine · FL

The coolant bypass valve failed and the car is a 2021 Rav 4 LE. I called Toyota and according to the VIN it is not covered for this type of repair. I see quite a few cars have had this same issue, all Toyota's. It was inspected and repaired at a local Toyota Dealership but I had to pay out of pocket for the repair. There was a brief warning light that said "Engine Maintenance Required" See dealership or some such thing. Of course it's a safety issue if the coolant valve bypass failure causes the car to overheat.

Filed Aug 17, 2025 · Engine · IL

The vehicle has never been in an accident and has been garage kept. There were 5 pinholes in the radiator that were slowly dripping over time. My radiator fluid went so low my car overheated and had to be taken in for repair. No warning until there was no radiator fluid left and overheated and had to pull over on the highway. Radiator was cracked in 5 places. 4 year old car, less than 55,000 miles. Confirmed and repaired by an independent service center.

Filed Aug 23, 2024 · Engine · MD

I own a 2021 RAV4 which I routinely get serviced at the Passport Toyota. On June 29, I took my car to Passport Toyota for service because the maintenance required message appeared on my car’s dashboard. The service advisor texted me a list of recommended services for my RAV4. One of recommended services was to replace the coolant bypass valve. I agreed to the service at $800. On July 3rd the check engine light came on and the car begin to overheat. I was 2 miles away and immediately drove there to inform them of the issue. They checked my car in for service, and explained to me that a hose must have come loose and was the cause of a coolant leak. When I received my vehicle, the check engine light was off, and the car seemed to be in working condition. On July 23 the maintenance required message returned. Again, I immediately drove my vehicle to the dealership and checked it into the service department. My service advisor notified me that they needed to reset the maintenance required message, and it would go away. I received my car back and the maintenance required message was no longer there and seemed to be in working conditioned. The next morning, July 24 while driving to an appointment, my car started to overheat and the check engine light came on again. This time the car was smoking. I was less than 5 miles from the dealership so I took it back to the them and checked it in for service. After having my car in for service for one week, they called me and stated that the issue was related to me having blown a head gasket, and I would need a new engine. The service department continued to do test as required by Toyota to determine the cost of a engine and how much they would cover. Three weeks later, they told me that Toyota will pay half the cost and I have to pay $3200 out of pocket with only about year warranty. I brought my car in several times and clearly mistakes and misdiagnosis were made on their part which led to the destruction of my vehicle.

Filed Apr 29, 2024 · Engine · CA

Engine maintenance light came on saying to go to dealer at 35,000 miles. The coolant bypass valve needs to be replaced in order to prevent the engine from overheating. Our repair shop coordinated with the dealership who admitted that they commonly see this issue on RAV4 and Corolla models, though there is no recall currently in place.

Filed Jan 3, 2024 · Engine · LA

The engine block cracked and started leaking coolant. It is clearly a defective manufacturing of the block casting. The same engine was recalled several months before mine, but my manufacturing date fell just outside of the range they recalled in the same year. The problem was confirmed by Price Leblanc Toyota in Baton Rouge, LA, a new short block was installed and I was left footing the bill because Toyota Corp denies responsibility for it even though it is only 3 years old and has had ALL maintenance done through the dealerships. The initial coolant leak was first noticed on 10/17/2023. The vehicle repairs were completed by Price Leblanc Toyota and picked up on 12/13/2023.