Healthy transmission fluid should be relatively clear or pink in color. If your transmission fluid is deep red or brown, your transmission fluid is old and most likely causing extra damage within your transmission. If it is dark brown, that is a sign you have burnt transmission fluid from overheating.
How do I know if my transmission fluid is burnt?
Overheated or low transmission fluid could be a potential source of this burning smell. Fresh transmission fluid tends to smell sweet or tart. When that smell turns burnt, your transmission fluid has broken down and the system is burning too hot, leading to an increase in friction and corrosive activity in the engine.
Can a transmission burn fluid?
Transmission fluid is vital to your car’s shifting capabilities. It is bright red and sweet smelling. Unlike motor oil, your transmission does not absorb or burn up fluid during use, so if you notice your fluid is running low, it is usually caused by a leak.
Should I change my transmission fluid if it’s brown?
If your transmission fluid is dark brown or black, it needs to be flushed and changed right away. The reason why transmission fluid changes from bright red to brown to black as it ages is that is it oxidizing. Oxidation is bad for transmission fluid.
What does it mean when your transmission fluid is brown?
Cloudy, dark brown transmission fluid means it is old and contaminated. … Dark brown fluid also indicates the internal temperature of the transmission is operating higher than normal, which can result in overheating, and failure. Don’t wait; get your vehicle over to a transmission professional for immediate assistance.
What happens if you drive with burnt transmission fluid?
If your transmission fluid is burnt, it will smell more like burnt toast. Of course, if your transmission fluid smells burnt, you should not only get a transmission flush but also have your cooling system checked since your transmission is likely overheating.
Why do I smell burning when I accelerate?
If you smell burning, a very likely culprit is your brakes. If your brake pads or rotors are not properly aligned, unnecessary friction can cause this burning smell. … If you’re driving a manual car, and the burning smell accompanies acceleration, it’s likely there is an issue with your clutch.
What makes transmission overheat?
Low fluid levels or old transmission fluid causes friction between the parts and causes overheating. Fluid problems are the most common reason for transmissions overheating.
Why you shouldn’t flush your transmission?
Pressure flushing can cause aging seals to start leaking. When it leaks more than a quart it could burn up the unit. Flushing does not cause the transmission to fail but it may speed up the process because it pushed metal particles back through the system.
How far can you drive without transmission fluid?
However, unlike oil changes which need to happen much more frequently, you can usually postpone transmission flushes anywhere from 50,000 miles to 100,000 miles – or even 150,000 miles in some cases.