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Van has been overheating for about the past 2 weeks. When I accelerate hard, the temp gauge drops. Two days ago, the temp gauge reached it's limit and the engine shut itself off. In the last 4 or 5 days, the van does not make it more than a few miles down the road before the temp gauge shoots up. I have checked the coolant tank, and it is full, but the fluid appears to be extremely dirty to me. Could this have caused a clog? I have noticed that both fans are coming on, and remain on after the engine shuts off for a few minutes. Also, when I turn the heater on to try to help with the overheating, it blows very cold air, and causes the temp gauge to rise faster. I know that there is a leak in the oil lines somewhere. Could that also be the culprit?
On my 98 Venture and 99 Montana the headgasket blew at the #2 cylinder..The #2 plug is in the front passenger side..If you take it out look for any deposits on it.. I was able to use a off the shelf headgasket repair.. BarsLeak and others have it for around $10...If I can help anymore please let me [email protected]On my 98 Venture and 99 Montana the headgasket blew at the #2 cylinder..The #2 plug is in the front passenger side..If you take it out look for any deposits on it.. I was able to use a off the shelf headgasket repair.. BarsLeak and others have it for around $10...If I can help anymore please let me [email protected]
AnonymousMar 21, 2014
Once it hits 220 the fan blows real hard temp gauge has been changed and the water pump replaced about 6 months agoOnce it hits 220 the fan blows real hard
temp gauge has been changed and the water pump replaced about 6 months ago
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Almost sounds like the same symptons as my van. Turns out the guage was not the problem. The van was in fact running hot because the electric radiator fans were not kicking in when the engine was hot. I replaced the relay switches for the fans. There are two of these in the fuse panel under the hood. There has been no problem with overheating since
In the 1997 Chevrolet Venture there is a coolent leak come under neath the intake u can see it if u look under neathe the lower intake , change the intake gasket , and the thermostat and try to check the water pump from broke. flush the coolent system after u done
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Hard to diagnose online, but did the clicking go away after topping off the oil? Could be a bad electric fan or component in that circuit. That could explain why the engine gets hot sitting still. Definitely get the code checked. Also, once engine has COMPLETELY cooled down, check the coolant level and condition (make sure it doesnt look contaminated with oil). Check overflow reservoir to make sure it has a level. A quick search and there is a thread about burping the system and someone said they believe the temp settings in the main computer may be too high, causing issues. https://www.cruzetalk.com/threads/chevy-cruze-overheating-issue.240569/
Are you going by the temp gauge on the dash to say it's overheating ? Did you hook up a scan tool an look at live data from the coolant temp sensor to the PCM/ECM - engine computer ? Use a infrared thermometer to check engine temp at the thermostat housing ? Don't remember how many gm instrument clusters i sent to be fixed . GM had a problem with stepper motors inside the instrument cluster , stepper motors control the gauges needles . 2003 to 2006 this was a problem . you mite think it's overheating whens it's not .
https://www.youtube.com/watch?v=oTm2oDx-_GM
First off...Is it actually overheating? Or is the gauge just saying it is overheating? You could check the sensor which I believe is below the thermostat housing. Second I noticed you say you HAD the work done...was this at an actual auto shop or you or a friend doing this work? If it is a shop, they should be able to diagnose the problem. If a friend then have them check the resistance on the sensor. With all the replacements and repairs there can't be many problems except the sensor or the timing...If the timing is to far advanced then the engine will overheat. That is where I would go after checking the temp sensor. The timing on small engines will determine what temp the engine runs. Good Luck
you have 4 water lines, they are 2 radiator hoses (top and bottom) the bottom one runs from the lower part of the radiator to the water pump, the top radiator hose runs from the upper part of the radiator to the thermostat housing
2 heater hoses, they go from the water pump to the firewall.
if you know which one has a hole then you should take the van to a parts store (if you can safely drive it that far) and show them, they can get the right one for you... and sometimes you can talk someone into putting it on for you.
as for the fluctuating gauges you probably need new sending units for the temp gauge and fuel gauge
is it acually getting hot or is it just the gauge on the dash saying so? a quality scan tool can show you what the coolant temp sensor is telling the pcm it may differ from the gauge.
Almost sounds like the same symptons as my van. Turns out the guage was not the problem. The van was in fact running hot because the electric radiator fans were not kicking in when the engine was hot. I replaced the relay switches for the fans. There are two of these in the fuse panel under the hood. There has been no problem with overheating since
On my 98 Venture and 99 Montana the headgasket blew at the #2 cylinder..The #2 plug is in the front passenger side..If you take it out look for any deposits on it.. I was able to use a off the shelf headgasket repair.. BarsLeak and others have it for around $10...If I can help anymore please let me [email protected]
Once it hits 220 the fan blows real hard
temp gauge has been changed and the water pump replaced about 6 months ago
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