Question about 2000 Pontiac Montana

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Temperature gauge went up. put coolant in reservoir and checked radiator.drove approx. 2-3 miles and van overheated again. reservoir stayed full but radiator needed more coolant. do i have a stuck thermostat or is the water pump gone out or is it a leak in the hoses?

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Posted on Sep 09, 2010

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I have a 96 Jetta GL and I just replaced the thermostat in it because I have no hot air coming out of the vents and now my car is running hot. What is the problem and how could I fix it?


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Overheating


Sounds like you may have a blown head gasket,white smoke is usually caused by this,driving it can cause major damage,best to have towed to a shop.

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The checj engine light on my 99 pontiac sunfire came on last week and stayed on when i drove only a few short distances. it sat for 4 days and was on again when i drove under 8 miles then finally turned...


first of all, was the water on the passenger side from the air conditioner or a leak (what color was the fluid?)-the cap has to be tight, otherwise it will not hold pressure, so that has to be checked before you set off again-push down as you turn the cap clockwise, and it will not hurt to have water in the system (it actually transfers heat better than antifreeze) but it has a much lower boiling point, so the cap has to be tight. Pay attention to the temperature gauge and do NOT overheat it-it is an aluminum engine and they do not tolerate excessive heat. Take your time, no AC (although the AC being on can keep a good cooling system more stable since the radiator fan is forced on when the AC is running, so you can, within reason, experiment)-no matter what, just don't let it run hot-not worth it.

May 31, 2011 | 1999 Pontiac Sunfire

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I have a '96 Explorer that has started overheating. I checked the fluids, which were low and refilled them. It continued to get hot and when the fluids were checked again they were empty-same day. I...


Are you just refilling the coolant resevoir, or also adding antifreeze/water mix to the radiator itself?
When the engine is cool, remove the radiator cap and add antifreeze/water mix until the radiator is full. Leave the radiator cap off and leave the hood up and start the engine and let it idle. As the engine warms up the thermostat should open up around 180 degrees and allow the water to circulate in the radiator. If you see no movement of the water and the heat continues to rise to an unsafe temperature, your thermostat is stuck and needs replacement

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I have an 1998 Subaru Forester - it has overheated three times in five days. The coolant is full and new, the thermostat was replaced today. The old thermostat spring was fully extended, after replacing...


Subarus can be challenging to "burp" Sometimes it takes several attempts to get the air out of the system. The procedure is simple. Top off the radiator, squeeze the hose a few times to help get the air out, replace the cap and start the car. let it idle or drive slowly near home with the heat on high. once the temp gauge begins to rise, if there is no heat get the car back to the driveway before the temp gauge gets half way. Shut the engine off wait for it to cool, at least 10 minutes. Then check the radiator again. If there is still air top off again and repeat. After 3 or 4 attempts if there is still air and or the coolant reservoir seems to be filling, try replacing the radiator cap. If this doesn't solve the problem, It may be a head gasket.

Feb 12, 2011 | 1998 Subaru Forester

2 Answers

I had my water pump go a while ago on my 2000 Intrigue, since then I've had to add coolant. My wife just took it out and drove approx. 10 miles and now it's pumping coolant out the over-flow and is...


Step by step:
Make sure the system has been bled if it has a bleed valve, run the vehicle till it gets hot, shut the vehicle off and open the bleed valve, only if it has one, and wait for straight fluid to come out, once fluid comes out close bleed valve make sure it is full of coolant and restart vehicle. If the vehicle does not have a bleed valve skip this step.
1. Check thermostat, since it is a cheap fix should probably just replace it if not already done so.
2. Check to make sure fans are working properly, a simple way is to turn on the A/C and visually look to see if the fans come on, if one fan is not on suspect wiring or bad fan most likely a fan motor. If both are on, then that only leaves the temp sensor that controls the fans. When the engine gets up to about 200 then the fan should turn on if not suspect temp sensor.
3. If those work fine suspect possible leak somewhere pressure test system, and check for leaks. Pressure test the Coolant cap as well. if fails replace cap.
4. If no leaks then do a block test, you can pick one of these up from autozone (rent it) but you will need to buy the fluid. This is to check for cracked head block or bad head gasket. The tester checks for exhaust gases in the coolant that could cause overheating. If test shows exhaust gases replace head gaskets.
5. Lastly if all checks good then pick up a infrared thermometer and check the temperature in various parts of the radiator if temperatures vary drastically suspect partially plugged radiator. Replace radiator.

Oct 10, 2010 | 2000 Oldsmobile Intrigue

1 Answer

I have a ford 2001 windstar. the other day the temp gauge went close to High. After an hour of sitting while we went shopping. It didn't move from normal on the way home. we added 1-1/2 gallons of water...


If you absolutely need to drive the van without having it serviced ensure your coolant/water is topped off prior to setting out. Make sure you have LOTS of water on hand to top it off if needed and keep a very close eye on your temperature gauge. You should also stop every few hours even if the temperature gauge stays in the "normal" range to ensure its operating at the correct temperature. There could be a few things wrong with the van, but damage to the radiator or cracked hoses could be likely culprits.

That being said I wouldn't recommend any long trips before having this issue fixed.

Sep 28, 2010 | 2001 Ford Windstar

2 Answers

Overheated while idling in park for 5minutes.


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2 Answers

98 subaru, overheating


most likely not. it's most likely the thermostat, it holds the coolant in the engine block to warm it up, then opens to keep the engine at a general temperature range. It goes bad and stays closed, hence the overheating

Mar 21, 2009 | 1998 Subaru Legacy

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