Asked in Jeep Grand Cherokee LaredoJeep Wrangler SportFord Ranger XLT
Jeep Grand Cherokee Laredo
Jeep Wrangler Sport
Ford Ranger XLT
What could causing the heat gauge to be going up and down?
Answer

Wiki User
October 13, 2008 9:23PM
It could be a lack of enough water in the radiator, or it might be a faulty thermostat. Your radiator might also be going bad. if there is no leak on your driveway, there still could be a problem. mine only leaked when the engine was running and the fan was blowing the coolant onto the block and evaporating it. Check both things out
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