Fan Not Blowing Like It Used To?

[Yukon]

Does anyone know why my heater/ac blower isn't blowing as hard as it used to? I have full control of tempature and speed, so i don't think it's the controls. anybody have any ideas.. there's no cabin air filter to replace, nothing that i can think of that would be dirty and restricting it...

please someone give me an idea.. or even a mod to upgrade...

 

[bowtiefreak]

The resistor is bad. Just went through the same thing. Cheap part, I hope you have little hands to get at it. I think there might be a thread in the tech info section on the swap.

 

[Yukon]

i thought the resistor was just for the high function... so it has affect on all speeds??

 

[SunlitComet]

Actually the resistor is what creates the lower voltage for slower speeds. Hi is just a direct voltage feed.

 

[retorq]

I have a GF like that!! Can I replace her resistor?? LOL

 

[puckhead]

I have a GF like that!! Can I replace her resistor?? LOL

hahaha! Damn you, almost spilled my drink laughing lol

 

[brooks93]

pull your blower motor and look at the A/C Evaporator Core. Mine was doing the same thing in my 96 hoe and the evaporator was 70 to 80% blocked with crap. (dog hair, carpet fibers, dust and leafs. I replaced it (tear out the whole dash. not fun) and it moves alot of air now

 

[carcrz]

sounds like my G.F. not blowing like it used too......LOL

 

[Yukon]

so it's not my resistor it's my condensor clogged? would that affect both heat and cool?

 

[SunlitComet]

No, the condenser is in front of the radiator. I think you mean your eveporator and it should be next inline downstream of the blower. If I read the part layout correctly that would cuase problems on both and I think your blower drops down. Can you get a small mirror to get a look at the evaporator?