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Old 08-26-2009, 08:12 PM   #5
Bill UK
AEM EMS
 
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Join Date: Jul 2006
Location: UK
Posts: 891
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1. Thermostat not opening. (stuck closed)
2. Water pump impellor vanes corrode.
3. Blocked rad
4. Viscous fan coupling slipping
5. Also check this out Link
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