Quick Answer: Does Thicker Oil Help With Leaks?

Is it safe to use 10w40 instead of 5w30?

Your vehicle does not use 5W-30 oil.

The recommended oil viscosity for your vehicle, according to Kia documentation, is 10W-40.

If you drive the vehicle in exceptionally cold weather, well below 32 degrees, you can use 5W-30 oil but even 10W-40 is still perfectly OK to use if outdoor temperatures are below freezing..

Which oil is thicker 5w30 or 10w40?

A 10w-40 motor oil is a thicker oil at startup than a 5w-30 motor oil. Therefore, 10w-40 oil clings to the engine’s moving parts more than the lower viscosity 5w-30 oil.

What is the best stop oil leak additive?

Best Engine Oil Stop Leak Additive – What Is The BestNameSpecial FeaturesSizeLucas Oil 10278Best All-Around32 ouncesATP AT-205Best Budget8 ouncesBlueDevilFor Experimenting5 ouncesBar’s LeaksFor Rear Main Seal17 ounces1 more row•Feb 25, 2019

Can Oil Stop Leak damage my engine?

Oil leak stop additives by themselves are not bad for engines. … If you go the additive route then get Lucas Engine Oil Stop Leak, if that doesn’t work I would change the oil to a high mileage and add the Lucas stuff in, but don’t overfill the crankcase with too much fluid that will cause oil to leak out.

Does Lucas Oil stop work?

Lucas stop leak actually works. Now you can’t expect it to work on a mechanical failure like rotted oil pan and broken gasket but it will stop or slow down seals and gaskets that are drying out or starting to fail.

Can oil additives hurt my engine?

Generally speaking, the longer oil is used, the more additives will be lost. … It may result in poor fuel economy, rust and corrosion, oil sludge, overheating, breakdowns and other serious engine damage. Aftermarket oil additives can improve oil performance between oil changes and protect your engine in the long run.

Can you flush out stop leak?

Flush the cooling system to remove as much of the sealant as possible by inserting a water hose into the top of the radiator and running water through it constantly until any and all debris is loosened and the water runs clear.

How do you stop an engine leak?

Run engine to circulate. Drive vehicle normally. One can of 325 ml treats up to 6 litres of engine oil. Allow up to 200 miles/300 km for Engine Stop Leak to be fully effective.

When should you use thicker oil?

If the oil is too thick, the engine requires more energy to turn the crankshaft, which is partly submerged in a bath of oil. A lower number is better before the W for cold-weather performance, so a 5W oil is typically what’s recommended for winter use.

Does Stop Oil Leak additive actually work?

A stop leak product cannot work everywhere in an engine to fix the leak. For examples, an engine oil additive can never be able to stop a leak near the front seal, any sort of cork gasket or rear main seal. Whereas an engine oil product works great to stop a leak in rubber oil pan gasket.

How long does Lucas Oil Stop Leak take to work?

It may take 400 miles or more (mine took this long) for it to work itself into the seals and affected area’s. Don’t expect magic to happen after a few days. Continue to monitor and check your engine oil levels and top up when needed. Remember, as it takes time to work your engine may still leak hence check and top up.

Is it OK to put 5w30 in a 10w30?

Most oils will mix perfectly, provided they have a similar synthetic. Therefore, there is no problem in mixing 10w30 and 5w30 since one will be topping up. Mixing the viscosity of oils will not have any effect on the engine. 5w30 and 10w30 engine oils have close viscosity, and thus there is no harm in mixing them.

Does thicker oil affect performance?

Engine Oil DOES Affect Performance Wonder no longer. The oil you choose for your car’s engine makes a difference in its economy and power production. … Your engine has to work harder to move internal parts with thicker oil in the crankcase, sapping energy before you ever have a chance to use it.

What can I use to stop engine oil leak?

ATP is a universal fix and an excellent choice to stop oil leaks and to undo minor damage to the fuel system. An oil stop leak that works fast, revitalizes rubber seals, fixes more than the fuel system, and works with any engine. AT-205 can thin out the oil in your car and can sometimes generate blue smoke.

Will Flex Seal stop a oil leak?

Flex seal will not stop an oil leak. The leak may stop for a little while but it will be back and worse. Most oil stop leaks work by either causing the rubber to soften or to swell.