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Toyota Celica heater doesn't work

Tiny
SOLARSTU
  • MEMBER
  • 2000 TOYOTA CELICA
  • 6 CYL
  • 2WD
  • MANUAL
  • 54,000 MILES
Hi my heating doesnt work on my toyota celica 1.8 vvti 2000, the car isnt over heating and the heater just blows cold air. Could you help please thanks
Friday, December 17th, 2010 AT 5:12 PM

11 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,876 POSTS
Hey SOLARSTU,

it sounds like you have a if you have a manual system check the heater control cable. Here is a diagram below to show you how the cables work. Also check the level of your coolant the heater is the first thing to stop working when the coolant is low. This guide can helps us as well

https://www.2carpros.com/articles/car-heater-not-working

Please run some tests and get back to us.Please run down this guide and report back.
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Wednesday, January 18th, 2017 AT 10:12 AM
Tiny
STANPACKER
  • MEMBER
  • 1 POST
  • 2000 TOYOTA CELICA
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 98,000 MILES
My daughter's 2000 Toyota Celica isn't generating any heat. The blower's working & she had a/c working throughout this summer fine. The Temp gauge on the dash seems to respond to the engine temp ok. What other troubleshooting steps could I take to get to the root cause. There isn't any leakage of anti-freeze on her floorboard.
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Wednesday, January 18th, 2017 AT 10:21 AM (Merged)
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Did you check the coolant level? If level is good, problem may lie in stuck open thermostat.
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Wednesday, January 18th, 2017 AT 10:21 AM (Merged)
Tiny
RADARROB
  • MEMBER
  • 1 POST
  • 2000 TOYOTA CELICA
I had this problem the heater core was plugged solid I had to flush it for an hour. All fixed!@
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

If the engine temp is lower than normal, replace the thermostat, Check the heater hoses are both about the same temp. If not check the heater tap and the tap controller operation.

Mark (mhpautos)
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
T_HESS
  • MEMBER
  • 3 POSTS
  • 2000 TOYOTA CELICA
  • 4 CYL
Heater is blowing cold air 90% of the time. Temperature gauge is spiking to overheat randomly than back to normal 2sec later.
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Try replacing the thermostat and see what happens
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
T_HESS
  • MEMBER
  • 3 POSTS
Already did.
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
T_HESS
  • MEMBER
  • 3 POSTS
I already did.
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
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.
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
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.
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Wednesday, January 18th, 2017 AT 10:22 AM (Merged)

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