Q: Engine overheats with new radiator, new thermostat and fan relay
Even after replacing the radiator, thermostats, and fan relay the engine overheats after a few highway miles. Coolant is full. Upper radiator hose will be hot while the lower seems to be cool. Coolant doesn't appear to be leaking from anywhere. Oil is changed regularly.
My car has 140000 miles.
My car has an automatic transmission.
The statements expressed above are only for informational purposes and should be independently verified. Please see our
terms of service
for more details
Get an instant quote for your car
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
What others are asking
How to start a car that's been sitting around & tips for long-term storage
It’s always a good idea to do a walk-around inspection of your vehicle before starting it, especially if it’s been sitting for some time. Items to check are tire pressure and oil levels. Look also under the hood to be...
How do side curtain air bags work?
If your Accord has side curtain air bags, they’re designed to deploy during a moderate or severe impact. They will inflate and deflate very quickly, curtaining off the entire side of the vehicle (window edge to window edge). The air...
Car overheating and leaking oil
Hello, the first thing to do is check the oil level and get that correct and then diagnose the overheating concern. It will probably need to be jump started to get it going. The cause of the overheating must be...
General Inspection or Individual Inspections
Hello. Most of the time the 150 point inspection is a visual inspection of most of the mechanical components of the vehicle. This would not be a complete diagnostic. The inspection may include scanning the computer for codes, but that...
car shakes only between 35-40 mph
Hello. Most of the time when you get a vibration at a higher speed such as this it is caused by a balance issue. The tire balance can be off or one of the tires may be slightly out of...
Went in for an oil change and came out with a non working car.
Hi there. First check the ECM (computer) for any codes that could be store as the check engine light came on. Before blaming any location for the vehicle's running condition, check to see what codes are stored to have a...
Smoke and oil pressure
Hello, It sounds like you have an oil leak which may be causing the leaking oil to be burnt on the exhaust resulting in the white smoke you are seeing coming up between the cab and the bed of the...
Where is the power steering pressure switch located on a 2003 Nissan sentra 1.8l?
The power steering pump pressure switch is located on the pressure hose just before the connections to the rack and pinion steering system. If you need further assistance with your power steering system (https://www.yourmechanic.com/services/power-steering-fluid-service), then seek out a professional, such...
2001 Honda Civic EX 2dr 1.7ltr 4cyl, flashing green key, stalled out. Replaced the Load, Idle Air control &map sensor, won't start
The green key warning light will only be continuous when the engine is running if the immobilizer module or the PCM is faulty. If the warning light is still on constantly while you are presently trying to re-start the car,...
Related articles
Industry News for Automotive Techs: October 15-21
This week: home-brewed autonomous car, sneak peek at future Jeeps, scheming car hackers, Ram's off-road TRX concept, new turbo test kit from Lisle.
How to Replace a Water Pump Belt
A water pump belt fails when the belt frays, cracks, or there is a burning rubber smell or squealing noise coming from the engine.
How to Top Off Car Coolant
Coolant, also known as anti-freeze, needs to be kept at a certain level to prevent car engines overheating and damaging the engine.
Browse other content
Maintenance
Cities