DAVID's Auto Care, Sioux Falls SD
Overheating & coolant • Sioux Falls, South Dakota

Cooling system service

Cooling system repair in Sioux Falls.

We pressure test

The system, cold and hot

We check

Where the coolant actually went

Then

A proper fill and bleed

The short version

A temperature gauge climbing where it never used to sit is worth stopping for. Cooling problems are cheap while they are leaks and expensive once they have become an overheated engine.

Coolant does not get used up. If the level is low, it went somewhere, and finding where is the difference between a repair and a top up that hides the problem until the next hot day.

What you are noticing

Symptoms we see

The temperature gauge is climbing

Especially in traffic or towing. Pull over rather than pushing on, because the damage from overheating happens quickly and is not cheap.

There is a sweet smell, or steam

Coolant has a distinct smell. Steam from under the hood means it is escaping under pressure and finding where matters more than topping it up.

The coolant level keeps dropping

It is leaking externally, or it is going somewhere it should not, which is the possibility worth ruling out early.

The heater blows cold

Low coolant, air trapped in the system, a stuck thermostat or a plugged heater core. The heater is fed by the cooling system, so it often reports on it first.

There is a puddle under the front

Colour and location tell us a lot. Bring a photo of it if you can, and try not to wipe it up before we look.

How we handle it

The process

  1. Pressure test the system

    We put the system under pressure and look for where it will not hold, which finds leaks that are invisible when everything is cold and still.

  2. Check the parts that fail

    Thermostat operation, water pump, radiator, cap, hoses and the fan. Most cooling faults are one of these and testing tells us which.

  3. Look at coolant condition

    Contaminated or wrong coolant causes its own problems, including corrosion that leads to the next leak.

  4. Repair, fill and bleed properly

    Air trapped in a cooling system causes overheating on its own. Bleeding it correctly is part of the job, not an afterthought.

Detail

Common causes

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Heroes save
up to $100

10% off labor at DAVID's Auto Care. Thank you for what you do for Sioux Falls.

Call (605) 929-7027

Mention the offer when scheduling. One discount per visit. Restrictions apply.

Free estimate

Book it in

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Questions
Can I just keep topping up the coolant?

It buys time and hides the reason. Coolant does not evaporate in normal use, so a level that keeps dropping is a leak that has not been found yet.

Is it safe to drive if it is running a little hot?

We would not. The distance between running warm and doing real damage is shorter than most people expect. Call or text (605) 929-7027 and we will tell you what to do.

Does the coolant need changing on a schedule?

Yes, though the interval varies a lot by vehicle and coolant type. Tell us what you drive and we will give you the interval that actually applies to it.

Why does my heater only work when I am moving?

Often low coolant or air in the system, sometimes a failing water pump. It is a useful symptom because it points at the cooling system before the gauge does.

Address
523 N Kiwanis Ave #105
Sioux Falls, SD 57104
Hours
Mon to Fri8:00 am to 5:00 pm
SaturdayClosed
SundayClosed
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