Why do I lose coolant in winter?

Why do I lose coolant in winter?

The cooling system is the part most significantly affected by cold weather. The cold will also likely be causing your metal radiator to contract, making it much more likely your hoses and hose clamps come loose if they’re not tight enough. This is why you may find your car radiator only leaks when it’s cold.

Does cold weather make coolant low?

Cold Temperatures The lower the external temperature, the more coolant particles contract. Sometimes, this is enough to lower coolant levels and trigger the sensor. This is especially likely if your vehicle has been sitting outside for days without use during the winter months.

What temp does 50/50 antifreeze freeze?

-35°F
However, when you create a 50/50 mixture using water and ethylene glycol, the boiling point rises to 223°F (106°C) and the freezing point lowers to -35°F (-37°C).

Does my car need antifreeze in the winter?

Does my Car Need Coolant In Winter? Your Car’s Cooling System (Water Pump, Hoses, Radiator, Thermostat, Heater Core) needs service year-round, regardless of the weather. In winter, the Coolant/Antifreeze lowers the freezing point and prevents freeze up, which could Crack an Engine Block.

Can a TDI Passat fail in cold weather?

There is one more issue I have seen that seems to plague the TDI in cold weather. That is turbo charger failure on the Common Rail TDI Passat. We had a car towed in with a glow plug light, check engine light, and no power. The faults were something related the car not having any power.

When did the VW Passat coolant leak out?

I took the Passat to the dealership so they could confirm the intercooler coolant leak and provide a repair estimate which was $1460+tax. They gave me the VW Customer Assistance hotline number so I could request assistance with the repair. The Passat was delivered in late August 2013 and has ~71k miles on it.

Why does my TDI Passat have no power?

That is turbo charger failure on the Common Rail TDI Passat. We had a car towed in with a glow plug light, check engine light, and no power. The faults were something related the car not having any power. (duh, it had no power) I did some checking and everything electrical checked out.

What happens if you start a TDI in cold weather?

First time just diesel- no additive. Got about 35 miles then it died going down the road. Second time Power Service treatment (plenty strong) got about 40 miles and that was it. Car started coughing and cutting in and out- eventually stalled completely and both times resulted in a tow.