will a bad sensor make my 2000 GMC 1500 SLE seem to look like its running hot?

Asked by 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

2 Answers

10

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.

1 people found this helpful.
23,355

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,

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