1996 Chevy Astro Radiator

1996 CHEVROLET ASTRO
147,000 MILES • 6 CYL • 2WD • AUTOMATIC
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NICK THE CAR GUY
  • MEMBER
  • 4 POSTS
My vehicle overheated yesterday, and after letting it cool down, adding some water, I was able to llimp home safely. While my van was starting to overheat, I noticed the temp guage would rise only while the van was sitting at a traffic light. So, the next morning, after filling the radiator with water, I ran the vehicle while closely watching the temp guage. When I got back from my test drive, I popped the hood open, and felt different spots around the radiator. About 90% of the radiator felt cool to the touch, while the vehiicle was completely warmed up. I then added some radiator cleaner and some super flush in, ran the van another 12 miles or so,checked the radiator again, and about 2/3 of it was warm/hot to the touch. I ran the van another 9-10 miles in about 80'-90' temperatures, and the temp guage stayed between 190-210. My question is, would the rest of the radiator be cleared out,if I continue to run the super flush and radiator cleaner thru the system for another week or so? The price of a new radiator is $166, and I dont want to spend this if I dont have to. However, I dont want to burn up the engine, for NOT making the $166 investment for the radiator, that I would put in myself. I also know that radiators can be rodded out. Any suggestions or comments would be greatly appreicated.
Sep 11, 2010 at 3:19 PM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Are both your upper and lower radiator hose's getting hot i would be looking at your thermostat if it isn't opening then your radiator won't get any hot coolant going thru it.Your engine would also over heat.
Sep 11, 2010 at 5:46 PM
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SATURNTECH9
  • Experienced Mechanic
  • 30,869 POSTS
Nick the Car Guy said>Thanks for your response Louie.I replaced the thermostat with a new one 6 days ago,and both lower and upper hoses are hot to the touch. I had this same exact problem with a Hyundai Excel I had years a
saturntech9 said>If you just replaced the thermostat and both hose's are getting hot then i would make sure your thermal fan clutch is good.When it get's too hot is the fan blowing a lot of air like a hurricane you be able to really feel the air moving around.
Sep 12, 2010 at 5:32 AM
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