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2000 Oldsmobile Silhouette van is overheating

Tiny
ELPELON
  • MEMBER
  • 2000 OLDSMOBILE SILHOUETTE
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 148,000 MILES
We have changed the thermostat, coolant sensor, water pump, the sensor says its overheating, and and it says low coolant but it has coolant, what else could it be?
Saturday, August 28th, 2010 AT 11:49 AM

5 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Low coolant sensor is different than the coolant temp. Sensor. The low coolant sensor is located at the bottom of the coolant overflow tank. Do you have any signs of overheating aside from the gauge reading?
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Saturday, August 28th, 2010 AT 12:13 PM
Tiny
ELPELON
  • MEMBER
  • 3 POSTS
No steam comes out or anything, we think it has a clog in the radiator, maybe it needs a radiator flush, but its funny when it heats up the heater does not work. And the air conditioner lines get very cold
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Saturday, August 28th, 2010 AT 3:05 PM
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
The heater can't work if the engine is overheating, if the thermostat and water pump have already been replaced than it may very well be a clog in the system, perhaps the radiator or maybe even the heater core is clogged up.
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+1
Saturday, August 28th, 2010 AT 4:34 PM
Tiny
MSSAMLUK
  • MEMBER
  • 6 POSTS
Same problem as mine, it could be the head gasket.
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Saturday, August 28th, 2010 AT 5:57 PM
Tiny
ELPELON
  • MEMBER
  • 3 POSTS
We flushed the radiator and it still does the same thing.
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Thursday, September 2nd, 2010 AT 12:12 PM

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