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What causes my van to overheat?

Tiny
MOTHEROF2
  • MEMBER
  • 1997 CHEVROLET VENTURE
  • 217 MILES
It was overheating, so I bought and had replaced a new thermostat, also a new water pump. The motor isn't feeling hot, but yet the meter on the dash is showing it's hot.
Monday, November 28th, 2011 AT 2:03 AM

15 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Is it actually overheating/boiling over or just the gauge is telling you its hot-check and test the coolant temperature sensor. This guide can help us fix it

https://www.2carpros.com/articles/engine-overheating-or-running-hot

Please run down this guide and report back.
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Monday, November 28th, 2011 AT 2:26 AM
Tiny
MOTHEROF2
  • MEMBER
  • 5 POSTS
No it is not boiling over. It is just the gauge. I've replaced the thermostat, and water pump. What can I do?
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Monday, November 28th, 2011 AT 7:10 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Test the CTS
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Monday, November 28th, 2011 AT 7:16 AM
Tiny
MOTHEROF2
  • MEMBER
  • 5 POSTS
How do I do that?
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Monday, November 28th, 2011 AT 7:17 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Use a digital volt/ohmmeter-Why don't you just bring her in
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Monday, November 28th, 2011 AT 3:57 PM
Tiny
MOTHEROF2
  • MEMBER
  • 5 POSTS
I don't have the extra cash to spend. I'm a low income ****** of 2, trying to make it. I bought the Coolant/Temperature sensor today to put on it, so maybe this will fix it! :)
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-1
Tuesday, November 29th, 2011 AT 6:24 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Are the cooling fans coming on?
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Tuesday, November 29th, 2011 AT 6:43 AM
Tiny
MOTHEROF2
  • MEMBER
  • 5 POSTS
Yes, they are comming on.
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Thursday, December 1st, 2011 AT 4:44 AM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Did you replace the CTS -if it continues have it block and pressure tested-Could be the temperature gauge is out of calibration
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Thursday, December 1st, 2011 AT 7:19 PM
Tiny
TRAYE_BONNETT
  • MEMBER
  • 1 POST
  • 1997 CHEVROLET VENTURE
1997 Chevorlet Venture leaks antifreeze in back of motor and overheats easily.
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Friday, August 21st, 2020 AT 11:55 AM (Merged)
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
You need to find the leak and fix it, I can't tell where it is without looking?

As far as overheating does it boil-over? Check the thermostat-- radiator fan--coolant flow-- check for combustion gases in the coolant.
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Friday, August 21st, 2020 AT 11:55 AM (Merged)
Tiny
HOCKEY24
  • MEMBER
  • 1 POST
  • 1997 CHEVROLET VENTURE
  • 160,000 MILES
Van over heat then when gauges get to red it goes back down. Checked for leakes but there are none. Oil is fine
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Friday, August 21st, 2020 AT 11:55 AM (Merged)
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check the thermostat as that may have been the issue but now I would also suspect a head gasket from the overheating. Have a leak down test done to be sure

Roy
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Friday, August 21st, 2020 AT 11:55 AM (Merged)
Tiny
1CHEVEYMAN
  • MEMBER
  • 1 POST
  • 1997 CHEVROLET VENTURE
I just bought a chevy venture van 1997 3.4 6 cyl. And when you drive it it dont overheat however if you stop and let it idle for afew minutes it gets hot!
Any one have any idea what the prblem is with it?
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Friday, August 21st, 2020 AT 11:55 AM (Merged)
Tiny
TOSHA
  • MEMBER
  • 5 POSTS
Try changing your thourmoastat pretty cheap fix about 4 too 5 bucks
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Friday, August 21st, 2020 AT 11:55 AM (Merged)

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