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Old 04-08-2012, 05:02 PM   #1 (permalink)
lt1fire
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No AC/Heat

Ok I know this isn't exactly diesel specific but I can't find a suburban forum on the web for our years burbs.

I have no ac and heat in my truck.... flip switches nothing happens.... at all.

Is there a fuse for it? Tried looking but they put it in such a bad place and the previous owner put in a manual glower so there are wires running all over the place down there.

the rear heat/ac switch by the rear window switch doesn't have the harness plugged into the back of if.... i'm guessing it is up in the dash somewhere.

Any Ideas?Fuses, blower motor just fried??
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Old 04-08-2012, 05:19 PM   #2 (permalink)
BigMike8504
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First thing to do is make sure your blower motor is plugged in, its under the hood. If it is, turn the speed on high inside the truck and gently tap the blower motor with a small hammer ( note tap, not slam). Usually when the blower motor goes out, it will start sticking and the tap will un-stick it.
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Old 04-08-2012, 05:36 PM   #3 (permalink)
lt1fire
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Quote:
Originally Posted by BigMike8504 View Post
First thing to do is make sure your blower motor is plugged in, its under the hood. If it is, turn the speed on high inside the truck and gently tap the blower motor with a small hammer ( note tap, not slam). Usually when the blower motor goes out, it will start sticking and the tap will un-stick it.

cool will try that... didn't think about tapping it did think about taking it off and put it back on.

Last edited by lt1fire; 04-08-2012 at 05:37 PM.
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Old 04-08-2012, 09:25 PM   #4 (permalink)
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also, make sure the ground is connected on the outside of the blower. you can also check with a test light or multimeter to see if the blower is getting power. my blower motor was dead and it was about $15-20 for a new one and problem solved. kind of a pain to get the bottom screws out with the fender in, but a 1/4" swivel socket and some patience got it done in the parking lot!
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Old 12-06-2012, 07:55 PM   #5 (permalink)
lt1fire
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After I posted this my blower motor started working by itself. But now has stopped.... I have to drive 3 hours Saturday at 5AM so i've got to get it going again...... where is the blower motor located on this rig, i've seen two different diagrams. I have rear air, is it behind the glove box or in the AC box on the motor side of the firewall?
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Old 12-06-2012, 08:20 PM   #6 (permalink)
countryboy90
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its in the ac box on the motor side of the firewall.

the blower motor is the round piece sticking up in the pic.
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Old 12-06-2012, 09:30 PM   #7 (permalink)
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Chances are it might be behind this cover if it's never been replaced, only way to get this cover of is to remove the inner fender well otherwise it will have to be cut in order to get at the blower motor. Second pic is with the cover off and blower motor out.



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It's dumb...get rid of it
Do remember that boost is just a measurement of restriction and more isn't always better
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Restoration thread http://www.dieselplace.com/forum/showthread.php?t=414730
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Last edited by legendman; 12-06-2012 at 09:31 PM.
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Old 12-07-2012, 08:27 AM   #8 (permalink)
lt1fire
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The purpose of the shroud is noise prevention right??


I'm guessing that if you turbo the motor then the shroud will not fit back into place over the modified box as well as interfere with the actual turbo setting.
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Sold - 1984 GMC burban 1500 4x4 diesel.... stock and in need of body panels and a completely new interior.

1992 FJ80 Land Cruiser
39's and a ton of other stuff, way too much to list.

Last edited by lt1fire; 12-07-2012 at 08:30 AM.
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Old 12-07-2012, 09:30 AM   #9 (permalink)
legendman
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Quote:
Originally Posted by lt1fire View Post
The purpose of the shroud is noise prevention right??


I'm guessing that if you turbo the motor then the shroud will not fit back into place over the modified box as well as interfere with the actual turbo setting.
I think it also acts as a heat shield too.

Yea if you put a 6.5 turbo setup on it then you will have to modify like the pic countryboy put up
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Quote:
Originally Posted by smackzed View Post
It's dumb...get rid of it
Do remember that boost is just a measurement of restriction and more isn't always better
82 K30 6.2 TH400, ... the restoration begins. Getting a 6bt /47rh swap "The mutt" a mix of parts from the Big 3 but still a Chevy at heart
Restoration thread http://www.dieselplace.com/forum/showthread.php?t=414730
84 K20 6.2 4sp (The parts truck) Plow truck Parts truck for sure now already started ripping it apart, not much left
Parts truck thread http://www.dieselplace.com/forum/showthread.php?t=434338
84 C10 SB Low rider thread http://www.dieselplace.com/forum/sho...light=lowrider Sold
2003 Vdub Golf TDi my DD car averaging 45 mpg
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Old 12-07-2012, 04:42 PM   #10 (permalink)
lt1fire
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well its certainly the motor..... I accidently broke little hole in the shroud right by the motor..... hit it with a 1/2 extension a few times and it slowly sputtered to life.... started it up again after driving for 30 minutes and it was dead.... smacked it some more and it, after a while, came to life again.

So time for a new one..... is there a more powerful model out of a newer chevy that is a pure bolt in??


Also is it possible to easily remove the inner fender without removing the outer or would it just be better to remove the inner and outer in one shot.
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Sold - 1984 GMC burban 1500 4x4 diesel.... stock and in need of body panels and a completely new interior.

1992 FJ80 Land Cruiser
39's and a ton of other stuff, way too much to list.
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