When & How to Change Every Fluid in your Car | Explained

Generated guide based on video: Watch on YouTube

Summary: This guide teaches you how to maintain your car by changing essential fluids, including engine oil, transmission fluid, differential oil, brake fluid, power steering fluid, engine coolant, and windshield washer fluid. Each section provides detailed steps for checking and replacing these fluids to ensure vehicle longevity and optimal performance.

Section 1: Engine Oil

How to check and change engine oil for optimal engine performance.

Materials Needed

  • Engine oil
  • Dipstick
  • Oil filter

Outcome: Engine operates smoothly with clean and sufficient oil levels.

Steps

Step 1: Check Oil Levels

Use the dipstick to check the oil level after the engine has cooled for at least 10 minutes.

Shows the dipstick being pulled out and wiped clean.

Shows the dipstick being pulled out and wiped clean.

Step 2: Assess Oil Condition

Smear oil between fingers to check for slickness and absence of particles.

Shows oil being smeared between fingers.

Shows oil being smeared between fingers.

Step 3: Change Oil

Replace oil if it's dark or gritty, following the recommended oil type and change interval.

Shows the oil being drained and replaced.

Shows the oil being drained and replaced.

Section 2: Transmission Fluid

How to check and change transmission fluid to ensure smooth gear shifts.

Materials Needed

  • Transmission fluid
  • Container
  • Dipstick

Outcome: Transmission functions efficiently with clean and adequate fluid levels.

Steps

Step 1: Identify Transmission Fluid Type

Consult the owner's manual for the correct transmission fluid type.

Shows the owner's manual being consulted.

Shows the owner's manual being consulted.

Step 2: Drain Old Fluid

Remove the transmission fluid pan and drain the old fluid into a container.

Shows the transmission fluid pan being removed.

Shows the transmission fluid pan being removed.

Step 3: Refill Transmission

Reinstall the pan and refill with the correct type of fluid, checking levels with the dipstick.

Shows the transmission being refilled and levels checked.

Shows the transmission being refilled and levels checked.

Section 3: Differential Oil

How to change differential oil to maintain drivetrain efficiency.

Materials Needed

  • Gear oil
  • Wrench
  • Container

Outcome: Differential operates smoothly with fresh gear oil.

Steps

Step 1: Check Gear Oil Type

Determine whether your vehicle requires mineral or synthetic gear oil.

Shows the gear oil types being compared.

Shows the gear oil types being compared.

Step 2: Drain Old Gear Oil

Remove the differential cover and drain the old gear oil into a container.

Shows the differential cover being removed and oil drained.

Shows the differential cover being removed and oil drained.

Step 3: Refill with New Gear Oil

Fill the differential with the appropriate gear oil and secure the cover.

Shows the differential being refilled and cover secured.

Shows the differential being refilled and cover secured.

Section 4: Brake Fluid

How to maintain brake fluid levels for safe braking performance.

Materials Needed

  • Brake fluid
  • Funnel

Outcome: Braking system functions effectively with optimal fluid levels.

Steps

Step 1: Check Brake Fluid Level

Inspect the brake fluid reservoir for fluid level and color.

Shows the brake fluid reservoir being inspected.

Shows the brake fluid reservoir being inspected.

Step 2: Top Off Brake Fluid

Add brake fluid if levels are low, ensuring the correct type is used.

Shows brake fluid being added to the reservoir.

Shows brake fluid being added to the reservoir.

Section 5: Power Steering Fluid

How to check and maintain power steering fluid for easy steering.

Materials Needed

  • Power steering fluid

Outcome: Steering system remains responsive with adequate fluid levels.

Steps

Step 1: Locate Power Steering Reservoir

Find the power steering fluid reservoir under the hood.

Shows the power steering reservoir location.

Shows the power steering reservoir location.

Step 2: Check Fluid Condition

Inspect the fluid for color and consistency, replacing if dark or foamy.

Shows fluid condition being assessed.

Shows fluid condition being assessed.

Section 6: Engine Coolant

How to maintain engine coolant levels to prevent overheating.

Materials Needed

  • Engine coolant
  • Funnel

Outcome: Engine remains cool and protected against temperature extremes.

Steps

Step 1: Check Coolant Level

Inspect the coolant reservoir and radiator for proper coolant levels.

Shows coolant levels being checked.

Shows coolant levels being checked.

Step 2: Top Off Coolant

Add the appropriate coolant mixture if levels are low.

Shows coolant being added to the reservoir.

Shows coolant being added to the reservoir.

Section 7: Windshield Washer Fluid

How to maintain windshield washer fluid for clear visibility.

Materials Needed

  • Windshield washer fluid

Outcome: Windshield remains clean for safe driving visibility.

Steps

Step 1: Check Washer Fluid Level

Inspect the washer fluid reservoir and add fluid if necessary.

Shows washer fluid being checked and topped off.

Shows washer fluid being checked and topped off.