21
Jan
If somehow water got into the crankcase then it might be possible to freeze but it wouldnt freeze otherwise. Manufacturers add organic molecules to control the size and growth of these wax crystals lowering the solidification point to -30 or -35 degrees F.
Thicker oil can get so thick that it wont properly lubricate the engine.
What temp does motor oil freeze. Because motor oil does not crystallize or solidify at any temperature it technically does not freeze. However motor oil at freezing temperatures will begin to thicken losing the viscosity that allows the oil to flow throughout and lubricate the engine. I believe he said the temperaturerers would get to -75 degrees.
If somehow water got into the crankcase then it might be possible to freeze but it wouldnt freeze otherwise. That is why most oil today are 5W-20 weight. Thicker oil can get so thick that it wont properly lubricate the engine.
After extensive research i have come to the conclusion the the freezing point of 10w40 motor oil is -500 degrees F -500 degrees F really. -500F is about. Because motor oil does not crystallize or solidify at any temperature it technically does not freeze though motor oils at cool or freezing temperatures 32 degrees Fahrenheit or below will begin to thicken losing the viscosity that allows the oil to flow and.
Does anyone know what the more or less acceptable standardised range is for the oil temperature of a car engine. I understand that 40-120 degrees C seems to be the acceptable range for the engine coolant temperature but whats the range for oil temperature. Mobil 1 synthetic motor oil flows at temperatures as low as -40 degrees Fahrenheit so your car gets the oil it needs immediately at startup.
As shown in the graph Mobil 1 5W-30 motor oil outperforms the conventional and the synthetic oil that were tested with respect to the lowest pour point. Liquids - Kinematic Viscosities - Kinematic viscosities of common liquids like motor oil diesel fuel peanut oil and many more. Motor Oils - Dynamic Viscosity - Dynamic viscosities for motor oils SAE 10 to 50 - temperature range 0 - 100 deg C.
Oil Pipes and Pressure Drop - Pressure drop in oil pipes - viscosities ranging 100 - 600 Saybolt. Ive read freezing point is -30 deg and -22 deg and now -41 deg. Obviously not cold enough in this country yet.
But water can get into oil lines and if this freezes then youll have the problems you have above. I had one a couple of weeks ago and asked. Anything above or below this will negatively affect the temperature stability and cause the fluid to either wax and freeze under cold conditions or lose viscosity and potentially leak under hotter temperatures.
High-heat can cause rapid deterioration of hydraulic oil. Viscosity of hydraulic oil vs temperature. If the oil is 10 cSt at 212F then at 104F 40C it thickens up to 100 cSt and at 32F 0C to 250cSt and so on.
This gets increasingly worse as the temperatures drop and at the low temperature limit for a particular oil when it gets really cold it can be over 1000 times thicker than at operating temperature. At this point the engine might not even start. If it does the oil might not be able to be.
In choosing the right the lubricant for a low-temperature application a very important factor to consider is the pour point which can also be called a freezing pointThe pour point is the temperature at which an oil will stop to flow. Others refer to this as the point at which the oil solidifies a good way to describe the condition of the oil but technically inaccurate because of the. For Motor oil Gear oil and Hydraulic Oil each has a different freezing temperature range.
For instance Motor working oil 10W30 freezes at 20F but from 50F to 0F the viscosity of the oil becomes more and more difficult to handle. Different fuels have different chemical balances but the estimated point of freezing for gasoline is approximately -100ยบ Fahrenheit. Colder than any recorded temperature in North American history.
While gas does not freeze it doesnt necessarily mean youre completely in the clear when the outside temperatures continue to decrease. Olive oil will harden at fridge temperatures round 37 levels F. Water is a pure substance so it freezes at a precise temperature.
As a result of olive oil is a pure product and totally different from yr to yr even from the identical bottler every batch of oil will freeze at a distinct temperature. The general consensus is that motor oil should last for an extended period under optimal conditionsin the original unopened container and stored away from extreme temperatures. The motor oils shelf life recommended by each manufacturer varies though.
Manufacturers add organic molecules to control the size and growth of these wax crystals lowering the solidification point to -30 or -35 degrees F. Synthetic motor oils which have more tightly controlled molecular structures are used in colder climates because they freeze at lower temperatures but even synthetic oils will solidify at temperatures below -40 degrees F. What temperature does mineral oil freeze at.
So this is the first winter I have been riding with Shimano brakes SLX to be precise. Ive always had Hope until now and. You need a winter weight 20W bar oil below about 35-40.
If youve run it with the regular 30W bar oil in sub freezing temps theres a chance you could have stripped the plastic oiler drive gear. If the bars clean and the 20W oil still doesnt flow check the gear. Extreme cold however is the enemy of all motor vehicles and requires vehicle owners to take extra precautions.
If you cant shelter your vehicle when the temperature falls below zero use a battery warmer an oil warmer or a block heater to keep the engine warm. Youll likely need an extension cord to connect to a household outlet. 000 139.
As the video shows extreme cold can cause conventional lubricants to thicken starving vital moving parts of lubrication. In many cases thick motor oil will prevent vehicles from starting. Cold thick transmission fluid results in delayed or sluggish shifts and inadequate protection for bearings valves and other.