Asked by lilyrae04 Mar 29, 2014 at 07:25 PM about the 2000 GMC Sierra 2500 3 Dr SLE Extended Cab LB HD
Question type: Maintenance & Repair
took thermostat off, bled lines ran cool for quit a way and slowly started getting hot. turned
off truck for not eve 5 mins. and turned key over it was still a lil hot but didnt sit long
enough to cool that much that quick but started to run hot again so I continued that cycle
for about 5 miles
A bad sensor will not make it seem like its running hot there is another problem. If both radiator hoses are not hot you may have a defective thermostat.
you'll know if it's really hot the heater will blast hot, if it is check the rad,for blocking or fan not blowing strong,
took thermostat off, bled lines ran cool for quit a way and slowly started getting hot. turned off truck for not eve 5 mins. and turned key over it was still a lil hot but didnt sit long enough to c...
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