2CarPros - Car Questions & Answers

2000 Toyota Celica Repair Question


Topics covered: Radiator, Heater, Temperature gauge.
Mileage: No information provided.

Asked on March 15, 2011

Celica heater

Heater is blowing cold air 90% of the time. temperature gauge is spiking to overheat randomly than back to normal 2sec later.
Avatar Asked by t_hess

Answer

Replied on March 15, 2011

Try replacing the thermostat and see what happens

Tiny Answered by rasmataz
68 questions asked
Replied on March 15, 2011

already did...

Tiny Response from t_hess
1 question asked
Replied on March 15, 2011

i already did....

Tiny Response from t_hess
1 question asked

Replied on March 15, 2011

have radiator cleaned, bay bed part blocked in the cores restricting circulation, not just a back flush but a full clean by a radiator repairer.

Tiny Answered by mhpautos (expert)
26,913 answers provided
Replied on March 15, 2011

The erratic temp indicates there is air in the system and it needs to be bled out thoroughly. Using a vacuum fill method is the best way to get all the air out.

Tiny Answered by Wrenchtech (expert)
14,743 answers provided