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1994 Geo Metro Cooling System

Tiny
DEZERT RAT
  • MEMBER
  • 1994 GEO METRO
1994 Geo Metro

My 94 Metro has pressure in the cooling system that has blown up a brand new radiator. Where is all the pressure coming from? I have replaced every component (water pump, thermostat, hoses, ) and the radiator shop told me NO WARRANTY on the new radiator I bought 2 MONTHS prior. HELP!
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Friday, January 9th, 2009 AT 6:29 PM

3 Replies

Tiny
GFIMOTORCARS
  • MECHANIC
  • 673 POSTS
Excessive pressure may be a result of excessive heat. Was your vehicle cooling properly when the radiator blew? Your first check should be at the electric fan. If your fan is not coming on you will definately see in an increase in pressure which may cause this issue. Also make sure overflow line that goes to the coolant reservior is clear and free of debree. A blockage in this line will increase colling system pressure and may cause damage to the system.
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Saturday, January 10th, 2009 AT 11:15 AM
Tiny
DEZERT RAT
  • MEMBER
  • 2 POSTS
I did find a blockage in the return line to the recovery bottle. Also, I ran the car with the new radiator with the cap off to see if I had proper circulation. All is good with the car now! Thank you!
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Saturday, January 10th, 2009 AT 5:17 PM
Tiny
GFIMOTORCARS
  • MECHANIC
  • 673 POSTS
Glad we could help!
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Saturday, January 10th, 2009 AT 5:28 PM

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