coolant guage drops

8

87redz13

Member
my temp needle drops at high rpm i dont know whi and would like to know i checked it for air numerous times and bled the system with the bleeder screw no air i am thinking that i have a problem with my cluster
havs anyone else experienced this concern or have any suggestions on what i can check
 
uh u can put an aftermarket water temp gauge with hose adapt.
its better anways cause u get number readings not lines
then u would b able to c if its cluster or motor...
i rn both and it helps alot with pinpointing issues...
 
yes i agree that another guage is a good idea and wil probably do that in the future just watching the needle drop every time i take the rpm's past 4200 is annoying me and i want to know what is causing it
 
most likely its a bad sensor which is the smaller of the two....
or the cluster...the sensor should cost 12buks any how so start there
 
problem solved i had a air pocket in the heater core i found out when i turned the heat on for the first time in a couple months and i heard the coolant rush through
 
Makes sense since our car has a bleed screw and the instructions tell you to turn the car to heat during the bleeding process.
 
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