The transmission fluid is an important component for the shifting of gears as well as the steering wheel. It is required to regularly check the transmission cooler lines, dipstick tube O-ring, transmission input and output shaft seal in order to avoid fluid leaks. Go through these slides to know the possible transmission fluid leak spots in a car.

1. Know the Possible
in a Car

2. The transmission uses a
relatively distinctive fluid so
you can often, be sure
you’ve got a transmission
fluid leak simply from the
color and smell of the fluid.

3. Be careful here as some
vehicles use automatic
transmission fluid in the
power steering system so
make sure you do not
actually have a power
steering leak!

4. The best way to prove
you’ve got a leak in a system
is to regularly check the
fluid level and if is steadily
going down, be sure that
there is a leak.

5. Hence, let us know the
possible transmission fluid
leak spots in a car.

6. Transmission
cooler lines

7. The most common
transmission fluid leak
location is from the
transmission cooler lines.

8. Every automatic
transmission pumps the
fluid through a cooler in the
car’s radiator to help warm
the fluid when you first
start driving.

9. The lines to and from these
coolers are simply rubber
hoses that can leak at the
connection and crimp
points.

10. Transmission
dipstick tube
O-ring

11. The dipstick you use to
measure the fluid level in
your transmission fits into a
tube or standpipe.

12. That tube has an o-ring
where it enters the
transmission and as that o-
ring gets old and dried out it
can allow fluid to sneak past
it and leak out.

13. The dipstick tube o-rings
often leak intermittently
and more when your car is
parked on a hill or slope.

14. Transmission
input shaft seal

15. This is the least common
leak point in any
transmission because it is
hidden behind inside the
bell-housing where it is safe
from dirt, dust and other
things that destroy seals.

16. When your input shaft seal
is leaking then you will see
transmission fluid dripping
from the front of your bell-
housing.

17. And if you spot a leak,
replacing the seal will
require removing your
transmission which can be
an expensive repair.

18. Transmission
output shaft
seal

19. Leaking output shaft seal
is a very common leak
point, mostly in a rear
wheel drive car.

20. If you have a transmission
fluid leak at the output shaft
seal you will see evidence of
fluid leaks where your CV
axle exits your
transmission.

21. Replacing these seals does
not require removing the
transmission so check with
a good mechanic for the
desired repair.

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