Common blower issue?

Savage

Savage

New member
My blower wont work for heat or air. Is there a common issue with this I can look at first? The rear blower works just fine and I use it but of course it doesn't help with defrost and that's what really drives me up the wall. Thanks
 
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If not a fuse maybe the blower motor resister?

Maybe someone knows about an issue I am having or may not be having with my blower motor function….
I have a 1988 with heat and A/C the blower fan switch has 4 speeds. The first speed does nothing, the A/C indicator light comes on but, the motor does not blow any air. The 2nd to the 4th speeds blow air through the vents fine.
I changed out the blower motor resister and the blower motor still does not turn on the first speed position??? any ideas....
 
yeh, I checked fuses first. I didn't get that lucky. My blower doesn't work at any of the speed settings. Flow of cooling system seems fine. It'll switch between cool air and warm air, just got no blower. I think it's a wiring issue...unless it's a relay. Maybe I need to look for that.
 
If the blower isn't working at any of the speed settings, it's probably not the resistor module.
If all fuses, etc are OK, maybe it's simply the blower motor.
 
s2kpuddydad said:
If not a fuse maybe the blower motor resister?

Maybe someone knows about an issue I am having or may not be having with my blower motor function….
I have a 1988 with heat and A/C the blower fan switch has 4 speeds. The first speed does nothing, the A/C indicator light comes on but, the motor does not blow any air. The 2nd to the 4th speeds blow air through the vents fine.
I changed out the blower motor resister and the blower motor still does not turn on the first speed position??? any ideas....
Click to expand...

My original 4Runner had the same problem. It was the blower motor resistor. Check Project 4Crawler for replacement instructions.
 
that's what I'm thinking, or a wiring prob. I checked some member provided links on heater core replacement which give a good depiction of how the whole dash is assembled. I think I should be able to find the problem as soon as I get a slow day at work. I'll post follow up when I have something beneficial to add. Many thanks to all the great members here who participate and help. Merry Christmas everyone!
 
the_dingman said:
My original 4Runner had the same problem. It was the blower motor resistor. Check Project 4Crawler for replacement instructions.
Click to expand...

I did replace the blower motor resistor with a used one but, still have the same problem, no first speed. It is possible that the blower motor resistor I got that was used has the same issue. I will just have to buy a new one and see if it fixes the problem.

Good luck Savage with your blower motor issue. Hope you did not mind, I thought I would post my blower motor problem in with your thread instead of starting a new thread about nearly the same thing:)
 
Blower gone after disconnect

Hello there friends,
My fan/blower doesn't work at all after a recent battery disconnect. I checked all fuses and they are OK. I'm thinking it has to be something with the car computer but haven't found any luck yet.

Would a zero point calibration help?
 
I'm posting here because I just created an account so I can't start a new thread but im having a sort of similar problem.

I replaced my blower and resistor but sometimes the air flow out of the vents is very very weak. Like you wouldn't know it's on except that you can hear the motor going strong.

The weird part is that it just randomly stops blowning, sometimes it blows real strong and then you'll be driving and the next thing you know its running but no air is coming out.

I would guess it's a clogged vent but that doesn't explain why it works intermittently.

Does anyone have any idea what could cause this?

BTW I have a 1987 4runner sr5
 
It could be a heater core or Air Conditioner evaporator clogged up with leaves or other debris, and/or one of the blend door / airflow doors is just swinging loose as you drive.

Do all of the airflow positions work when you move the lever (i.e. vent only, split vent/feet, feet only, spit defrost/feet, defrost only)?

Does the fresh air and recirculate lever work?

Is all of your ducting installed or is there any pieces missing?

:fro:
 
If motor runs on constant speed but airflow changes I would suggest broken level or linkage to one of airflaps. Such flap just 'sets' self simply by flowing air at random positions.
 
Yeah all of the positions work when it's working, I replaced all the parts with brand new parts. I have a blower relay I'm going to replace today but yesterday after writing this, the problem never happened again for the next 50 miles I drove it.
 
Mattew said:
If motor runs on constant speed but airflow changes I would suggest broken level or linkage to one of airflaps. Such flap just 'sets' self simply by flowing air at random positions.
Click to expand...

This kind of makes the most sense, how big of a pain in the ass would this be to inspect and repair? The whole dash has to come off right?
 
the_dingman said:
My original 4Runner had the same problem. It was the blower motor resistor. Check Project 4Crawler for replacement instructions.
Click to expand...

I am having a similar issue with my heater blower except it isn't the resistor or fuses. All the sliders work except for the actual blower one. It worked before but feels like the mechanism has snapped inside as it is really loose now and just flaps side to side without any resistance or doing anything. I have taken the full dash off and can see it connects to a yellow module which I want to replace but I can't figure out how to get it out as there isn't enough space behind the module to unclip the connector and then I can't move the whole until forward that houses the other sliders. Anyone have any advice would be greatly appreciated. Cheers
 
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