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Coolant leak

Tiny
C.BORDEN
  • MEMBER
  • 1994 CHEVROLET SILVERADO
When the engine is turned off there's a loud hissing sound coming from under the hood. My coolant is also leaking I think its from behind the motor but it only leaks when the truck is accelerating. At a stand still their is no leak whatso ever. Please help!
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Sunday, September 19th, 2010 AT 10:51 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Have you checked the heater core hoses to see if that is where the leak is coming from?
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Monday, September 20th, 2010 AT 3:24 PM
Tiny
C.BORDEN
  • MEMBER
  • 2 POSTS
Idont kno anything about cars let alone trucks.I'm learning as problems accure but I wouldnt know where to start.
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Wednesday, September 22nd, 2010 AT 2:18 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
The hoses will go from the engine to the firewall where they attach to the heater core. They are aprox 1" in diameter. Let me know if you can find them.
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Thursday, September 23rd, 2010 AT 10:00 PM

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