Why is my thermostat on my Volvo 940 not working?

Why is my thermostat on my Volvo 940 not working?

This guide can be useful if you got a Volvo 940. The thermostat determines when to drop through the cooling water, and when it turns off . Sometimes , the thermostat can become defective and stop the open or closed position . The car could overheat and eventually pops up other problems . Loading…

Where is the coolant drain on a Volvo 940turbo?

You will not be able to remove all the coolant: it always seems as though about two quarts remains in the system. On the 940Turbo:the coolant drain is at the end of the short hose leading from the oil cooler, about five inches behind the oil filter beneath the car. It points down from the tubing on which it is mounted.

What kind of radiator is used in a Volvo?

[Motor Magazine, Aug 2004] One of the coolant issues that may arise is the use of an aftermarket replacement radiator or heater core made of copper-brass with lead solder.

How often should I change the coolant in my Volvo?

[Ywan Mason] Dex-Cool, according to a GM service bulletin only gives the extended life when it was used as the first and only coolant in the car. Residual amounts of conventional coolants left in the system even after careful draining require that the Dex-Cool be changed at the same interval as any other coolant, every two years.

What are common reasons my Volvo 240 overheats?

What are common reasons my Volvo 240 overheats? While there are a variety of reasons your Volvo 240 is overheating, the most common 3 are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat. All costs based on RepairPal Fair Price Estimateā„¢ averages. Actual prices may change depending on final diagnosis.

Where is the air box thermostat located on a Volvo?

Also related to the intake system is the air box thermostat. This is a small valve located in the air box that routes hot air from the exhaust manifold to aid in cold start performance until the engine reaches normal operating temperature.

Are there any problems with the Volvo system?

Volvo has had problems with this system since it was introduced in 1976. Volvo’s still run into the same issues on their newer models. Possibly in theory Volvos system is better, but in reality it gets overlooked and inevitably becomes clogged up and causes oil leaks and idle problems.