Said It Here

Is that stain under my car a serious fluid leak?

It is difficult to know if you should be concerned about a mark on your car when it doesn't look like a fresh stain. Drivers fear that actually getting it fixed will require massive repairs, like having to pull the transmission to replace seals and gaskets.

Overview
People affected2 accounts across 1 forum
Workarounds found3 items attempted
Community agreement4 total upvotes

What people tried

Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.

Found another way around this?

Share your steps and trade-offs so fellow engineers don't have to reinvent the wheel. No account required.

  1. 1
    keeping an eye on the leak while saving money and getting a repair quote
    Did this help you?
  2. 2
    Replacing the transmission pan gasket
    Did this help you?
  3. 3
    Checking fluid levels with a dipstick
    Did this help you?

In their words

Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.

r/AskMechanics2 people · October 2026 – November 2026

“I just noticed this on my 2018 Rav4. It doesn't look like a fresh stain. Should I be concerned?”source ↗

greencollar316 · r/AskMechanics · 3 upvotes

“I have a dipstick for the transmission, how would I get it fixed, sounds like I'd have to pull the transmission and replace the seals/gaskets”source ↗

Steel_Cookies · r/AskMechanics · 1 upvotes

Where this came up

People with this problem also raised