I HAVE A 2002 TOYOTA ALLION 1NZFE MODEL ITS ...

2002 Toyota

Tiny

mylona78

December, 10, 2012 AT 4:18 PM

I have a 2002 Toyota Allion 1nz-fe model, its strange when I turn on the heater after the car warms up the two left air vents are hot but the right two air vents are slightly cooler do you know why? Can anyone help?

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12 Answers

Tiny

KHLow2008

December, 10, 2012 AT 9:57 PM

Check the vents and air mix door operations.

Tiny

mylona78

December, 11, 2012 AT 11:31 AM

I check the vents their is nothing obstructing them. I have also checked the air mix servo which is 1 in the car not 2 and its working ok, what else do you think would be the problem?

Tiny

KHLow2008

December, 11, 2012 AT 2:40 PM

Did you check if the vents are closing fully? Any leakages would result I the problem described.

Tiny

mylona78

December, 11, 2012 AT 4:21 PM

Em no. How do I check if the vents close fully?

Tiny

KHLow2008

December, 11, 2012 AT 4:47 PM

Visual inspection is required to verify if the blend doors closes fully and note if sponges are torn, tatterred.

Are the air flow similar for both right and left?

Tiny

mylona78

December, 12, 2012 AT 4:41 AM

Yes the blend doors closes fully. Sponges are ok

Tiny

KHLow2008

December, 12, 2012 AT 8:36 PM

Are right and left air flow similar in volume?
Was anything done prior to this occurring?
Did you check the air flow ducts for leakages?

Tiny

mylona78

December, 13, 2012 AT 5:00 PM

When I have it on cold all 4 ducts are similar in voluume. When I turn it to hot the 2 left one pump out much more air tha the right ones. The far right nearly no air volume. Why its funny. Nothing was done. I checked for leakages but nothing all seems ok.

Tiny

KHLow2008

December, 14, 2012 AT 10:32 PM

The air distribution vents seems to be at fault and the heater housing might have to be disassembled to check/repair.
You mentioned a one air mix actuator. Check the actuator linked vents for damage.

Tiny

mylona78

December, 21, 2012 AT 6:24 AM

Tes but to do that I have to open my heater box correct?

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