← Temperature gauge climbing (no smoke yet)

Temperature gauge climbing (no smoke yet) in Troy, MI

Caught before it boils over, an overheating engine is often just low coolant. Turn the heater on full, let it cool completely, and check the reservoir before you drive on.

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Try this first

Cool it down and check coolant

Caught early, this is often low coolant or a stuck thermostat — you may be able to limp it to a shop.

⚠️ Safety first

Never open the radiator or coolant reservoir cap while the engine is hot — it can spray boiling coolant.

  1. 1Turn the A/C off and the heater on full (it pulls heat off the engine).
  2. 2If the needle keeps climbing, pull over and shut off.
  3. 3Wait 30+ minutes until the engine is cool to the touch.
  4. 4Check the translucent overflow reservoir level against its MIN/MAX marks.
  5. 5Top up with coolant (or water in a pinch) only when cool.
  6. 6If the gauge climbs again within minutes of driving, stop and request a tow.
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Get help on the way

Shut it off — get a tow

In the red, the engine needs to cool and be repaired. Driving on risks thousands in damage.

⚠️ Safety first

DO NOT keep driving an overheating car. Never open the radiator or coolant cap while hot. If you see flames (not just steam), get clear and call 911.

  1. 1Pull over as soon as it's safe and turn the engine OFF.
  2. 2Running the heater on full can pull some heat off the engine while you stop.
  3. 3Do NOT open the radiator cap while hot.
  4. 4Continuing to drive in the red can warp the head — a $150 tow beats a $3,000 repair.
  5. 5Let it cool, then request a tow to a repair shop.
Diagnose a different problem

You might also need

Smoke or steam from under the hoodStrange smell — burning, gas or electricalRadiator leaking or coolant on the groundCar won't start — clicking noise

TowGo · Roadside help in Troy, Michigan