Can i top off coolant

Use this mixture to top off the system. Step 3: Top off the radiator. If your vehicle has a cap on the radiator and no coolant is visible in the radiator, top it off until you see coolant at the bottom of the filler neck. If the level remains the same, replace the cap. Step 4: Top off the coolant reservoir. Fill the reservoir to the MAX line.

Do not overfill it. The coolant mixture expands as it heats up and needs room to do so. Replace the cap. If your low coolant light comes on or your vehicle is leaking coolant , have a mobile technician from YourMechanic inspect your cooling system at your home or office today.

This article originally appeared on YourMechanic. Autoblog is partnering with YourMechanic to bring many of the repair and maintenance services you need right to you. Get service at your home or office 7 days a week with fair and transparent pricing.

If you purchased pre-mixed coolant, disregard this step. Step 5: Top off the radiator. Step 6: Top off the coolant reservoir. Can you top off coolant with water? Tips Check your vehicle owner manual if you are not sure about the type or amount of coolant to use. You might save a little money by buying coolant that is approved for all cars, but it is better to stick with the coolant that was specially designed for your vehicle.

Weigh the convenience of buying coolant that has already been mixed with water versus buying straight coolant and mixing in the water yourself. The pre-mixed coolant is more expensive; however, it is much harder to find pure coolant these days, so you may not have a choice. How To Check for Coolant Leaks ».

Open the radiator cap by pushing down and turning to the right. Look inside, and make sure that the fluid is just below the fill neck.

It should be bright green. Pour the coolant in through the fill neck, until the level is just below the edge of the neck. Try not to spill any, as coolant can cause fan belts to slip if excess coolant is not removed. Arlene Mason is a freelance writer and author living outside of Dallas.

She draws from her vast experience and love of life for most of her writing. She has written articles for eHow, and Associated Content. She says "Writing keeps me sane. Name Required. Email Required. Topping off fluids can have more negative impact than positive. There are two primary reasons: 1 — Leak.