How to Check Coolant Level
6 steps
30 min Intermediate
Learn how to check coolant level with our detailed step-by-step guide. Follow our easy instructions to get it done right.
Your Progress
0 of 6 steps completedStep-by-Step Instructions
1 Step 1: Wait for Engine to Cool
Step 1: Wait for Engine to Cool
NEVER check coolant when engine is hot - wait at least 30 minutes after driving.
2 Step 2: Locate Coolant Reservoir
Step 2: Locate Coolant Reservoir
Find translucent overflow tank in engine bay (usually has MIN/MAX markings).
3 Step 3: Check Level Against Markings
Step 3: Check Level Against Markings
Coolant should be between MIN and MAX lines when cold - check visually through tank.
4 Step 4: Inspect Coolant Color
Step 4: Inspect Coolant Color
Should be bright green, orange, or pink - if brown or rusty, needs flushing.
5 Step 5: Add Coolant if Low
Step 5: Add Coolant if Low
Remove reservoir cap, add 50/50 mix to MAX line, replace cap securely.
Engine Coolant 50/50
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Coolant Funnel
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6 Step 6: Check for Leaks if Frequently Low
Step 6: Check for Leaks if Frequently Low
If coolant drops regularly, inspect hoses, radiator, and water pump for leaks.
UV Coolant Leak Detector
UV dye and light for finding coolant leaks
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