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robert carbonaro sr Posted on Jul 18, 2015
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Why is it overheating?

My van does not leak anything nothing dripping - just overheating

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Robert Wood

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  • Pontiac Master 6,139 Answers
  • Posted on Jul 18, 2015
Robert Wood
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Fans not engaging, radiator not flowing as it should, water pump wore out, thermostat stuck closed.

Mister Danger

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  • Pontiac Master 5,631 Answers
  • Posted on Jul 18, 2015
Mister Danger
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Might be the thermostat. Check it

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1answer

Overheating leaking

The overheating probably came from the coolant being too low. The coolant in the reservoir won't go back into the radiator if the coolant in the radiator is too low. Until you get it fixed, check and fill up the radiator every time you want to use it. Overheating is very bad for engines and can cause expensive engine repairs.
Where is it leaking, from the engine or the radiator? You didn't say, but wherever it is leaking is the place to start. If at the radiator, and it is not a loose or leaking hose, I would be looking for a new radiator. If it is leaking at the front of the engine and dripping down from there, you could have a bad water pump. This could be an expensive repair at a shop-not the pump itself-they are not too expensive-but the labor cost in replacing a water pump will add up.

The thermostat would not cause it to leak. But when all is said and done, you will want a new thermostat, after the leak is fixed. They are very cheap and it is just good insurance.
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Van blows warm air then cold air temp needle starts to rise towards hot

There are many different temperature ranges of thermostats. The old one may have been a 165 degree thermostat. The new one may be a 195 degree one. You will then notice that the gauge will run higher than it used to.
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What could a fairly loud thunking noise coming from my engine be when turning off my 1984 chevy van 20?

First let me say it is NEVER good to drive a car overheating , you can ruin very expensive parts.It hurts your engine and your wallet. If permanent damage has not all ready been done , have it towed to your trusted shop, it sounds like your water pump has failed
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My van overheats how do i bleed my radiator

Overheating can be caused by many variables...How hot is overheating? Does your gauge register over 260% or does your hot kight come on? If so the problem would be related to other concerns too. Many cooling systems have a bleeder valve located on top of the thermostat housing...Is your coolant level low? Any leaks? The radiator cap can lead to overheating if defective...a low cost repair. Does your water pump belt make any noise? If so the belt could be slipping on the pump pulley...any drips from the bottom of the water pump (weep hole) usually mean it is time to replace the water pump. Also inspect all hoses for good connections, no leaks...a late response but hope this helps.
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My engine is overheating my buddy told me it was the lower intake manifold leaking because i had oil in my coolant. i just fixed that and it is still overheating. i turned the heater on and it still did...

COOLANT IN ENGINE OIL CRANK CASE SIGN OF BLOWED HEAD GASKET. HAVE COOLANT SYSTEM PRESSURE TEST FOR LEAKING HEAD GASKET.A GARAGE OR RADIATOR SHOP WILL PRESSURIZE COOLANT SYSTEM CHECK FOR BUBBLES IN RADIATOR AND CHECK FOR COOLANT DRIPPING IN OIL CRANK CASE.
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AC works fine but water drips on passenger side

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My 1997 Plymouth Voyager mini van 2.4 liter van is leaking the water on the outside of the van in the front passenger side. Can't find the leak. It leaks when I'm parked and when I'm driving.

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to check if your water pump is still good just take a flashlight and spot on top of the pump. there should be a little hole on top behind the pulley. if it is damp you have to replace the pump.

besides that just check the hoses one at the time
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check it out,sounds like a waterpump ,but it could be anything,you must be using 100% to withstand -30 celcius where are you alaska??
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Coolant

check the rear heater lines on the right side(passenger side) of the van. there is a rubber hose that was leaking on mine. I found it after the dealer said nothing was wrong.
It did not cost anything for repair as they had a service note on it.

Larry
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