What should car temperature be at highway speeds?
Car temperature drops to a little less than 1/4 at highway speeds. Any reason to be concerned? Car is a Mk1 Golf. Driving around town the temperature behaves normally – it sits at the middle of the gauge, sometimes goes a little higher if I’m sitting in traffic but not much.
How does the temperature of the car change?
Driving around town the temperature behaves normally – it sits at the middle of the gauge, sometimes goes a little higher if I’m sitting in traffic but not much. However, on the highway the temperature slowly decreases until it sits just below the 1/4 mark. Once back in city traffic it goes back up again and acts normally.
When does your car run hot or cold?
If you are like most drivers, our guess would be almost never. Most drivers look at their temperature gauge so rarely that many vehicle manufacturers don’t even include temperature gauges any more but just lights that will come on if your car is either extremely cold or extremely hot.
What to do when your car temp drops?
Turn off engine. wait 5 minutes. remove radiator cap. restart and turn heat on HI. add coolant as needed. when full, and heat blasting, rev the engine to about 2000. if coolant level drops, add more. squeeze large radiator hose to burp them.
What should Highway temp be at highway speed?
I used a bluetooth OBD II connector to monitor the temp at highway speed. It runs 212-214F without the cabin heat/blower on, and if it’s warm outside (65F+), and I leave the cabin heat off it slowly rises into the 240F range which pushes the temp gauge up close to red.
How to know the temperature of your car?
Start off and head toward a highway. Have the heat on HI, with the fan just enough ON so you can feel it. Then watch your gauge and air temp as the car warms up. the air should get warm in just a minute, before the gauge starts to rise.
What to do when your car is overheating on the highway?
both cooling fans do work, but they appear to be coming on only when the coolant is extremely hot (haven’t checked coolant temp yet with the OBD II ). when the temp gauge is above half (hotter than normal) at highway speed, if I hit the clutch (droping RPM from 3500 to 800 idle), the temp gauge will dip cooler, then rebound to the previous reading.
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