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Car Auto Repairs of Texas

Guide · 5 min read

Why Is My Car Leaking Fluid? Color Guide

The short answer

Identify a car leak by color: brown or black is engine oil, green, orange, or pink and sweet-smelling is coolant, red is transmission or power steering fluid, clear and slick is brake fluid, and clear water is normal A/C condensation — especially common in Texas summers.

Identify leaks by color: oil, coolant, transmission, brake, and more. This guide covers Car fluid leak color chart; Which leaks are urgent; How to find the source so you can describe the problem and decide what to check next.

Engine Repair: a closer look

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Illustration of a technician inspecting a vehicle on a lift

Hands-on inspection

A hands-on inspection helps connect the driver's symptoms with the vehicle's condition.

Illustration of a technician using a diagnostic scanner

Computer diagnostics

A fault code identifies a system to investigate, not necessarily a part to replace.

Illustration of a technician checking an engine oil dipstick

Oil level checks

Use your vehicle's handbook for the correct oil specification and checking procedure.

Illustrative images, not customer repair photographs.

Car fluid leak color chart

Black/brown: engine oil. Green/orange/pink: coolant. Red: transmission/power steering. Light yellow/clear and oily: brake fluid (urgent). Blue: washer fluid. Clear water: A/C condensation (normal).

Which leaks are urgent

Brake fluid leaks are a safety emergency. Coolant leaks can cause overheating. Large oil leaks risk engine damage.

How to find the source

Place cardboard under the car overnight and note where drips land: front center (engine/radiator), middle (transmission), near wheels (brakes).

Need engine repair?

Overheating, leaks, timing belts, water pumps, and head gaskets. Typical cost: $150 – $4,000+ depending on repair.

See our engine repair service →

Frequently asked questions

Yes, if it's clear water from the A/C.

Short distances while watching the temperature gauge.

$150–$1,000+ depending on the source.

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