PT Cruiser Forum  
Advertisements
       

Go Back   PT Cruiser Forum > General Forums > General PT Cruiser Discussions

PT Cruiser Forum

Advertisements
a/c blower fan issue

 
Reply
 
LinkBack Thread Tools Display Modes
  #1 (permalink)  
Old 13 Sep 2012, 07:32 am
dadjmon's Avatar
Fresh Cruiser
 
Join Date: Feb 2011
Location: Kannapolis, NC
Posts: 41
Default a/c blower fan issue

Hi all, it's been awhile since I posted, everything has been working good. Yesterday I turned my a/c on and the blower motor won't work on speed 3. It is like this on a/c and heat. It works fine on 1, 2 and 4 but nothing on 3. I thought maybe blower resistor but I thought when that goes bad it will only run on high(4). Any ideas? Going on vacation in 2 weeks and want to fix this before I go. Thanks, Rick
__________________
Got Vinyl? 03 Touring Electric Blue, 17" HD Cool Down rims, Tinted Windows, K&N Cold Air Intake, Pioneer DEH-P7800MP head unit with XM Satellite radio, 6 3/4 Infinity Kappa Component Speakers in front doors, 6x8 Infinity Kappa 2 way speakers in rear pillars, Infinity 475a amp, Custom under seat 8 inch Kicker CompVT sub with zx200.2 Kicker amp and SSL 2 farad capacitor.
Reply With Quote
  #2 (permalink)  
Old 13 Sep 2012, 07:39 am
Ray_Dockrey's Avatar
Senior Cruiser
 
Join Date: May 2012
Location: Mustang, OK
Posts: 1,213
Default Re: a/c blower fan issue

I agree it is probably the blower motor resistor. They are made where the voltage is changed through a series of resistors for each fan speed. So you can lose one speed but still work on the others. Fairly easy to change and they are pretty cheap.
Reply With Quote
  #3 (permalink)  
Old 13 Sep 2012, 09:24 am
Obsessed Cruiser
 
Join Date: Sep 2001
Posts: 27,744
Default Re: a/c blower fan issue

Fan schematic.....

__________________
Rules of the forum have been updated as of *07/07/2019* Please read them over.

- All decisions by the Moderator are semi-permanent, can and may be changed at his discretion but definitely will be the final word. Any action performed by the Administrator or Moderators are not to be discussed on the forum.
Reply With Quote
  #4 (permalink)  
Old 13 Sep 2012, 10:22 am
dadjmon's Avatar
Fresh Cruiser
 
Join Date: Feb 2011
Location: Kannapolis, NC
Posts: 41
Default Re: a/c blower fan issue

Thanks Ray and Crewzin!!! I will pick one up asap. This is a great forum. I have never been let down here. You all always come up with the answers I need. I'm lucky to be a part of 2 great forums, this one and the AudioKarma forum for my vintage turntables and audio gear questions. Couldn't ask for nicer people than are in both of these forums. Thanks again, Rick
__________________
Got Vinyl? 03 Touring Electric Blue, 17" HD Cool Down rims, Tinted Windows, K&N Cold Air Intake, Pioneer DEH-P7800MP head unit with XM Satellite radio, 6 3/4 Infinity Kappa Component Speakers in front doors, 6x8 Infinity Kappa 2 way speakers in rear pillars, Infinity 475a amp, Custom under seat 8 inch Kicker CompVT sub with zx200.2 Kicker amp and SSL 2 farad capacitor.
Reply With Quote
  #5 (permalink)  
Old 13 Sep 2012, 10:47 am
Ray_Dockrey's Avatar
Senior Cruiser
 
Join Date: May 2012
Location: Mustang, OK
Posts: 1,213
Default Re: a/c blower fan issue

You are very welcome. You get to it under the cowling on the passenger side. From what I have read it is pretty easy to do.
Reply With Quote
  #6 (permalink)  
Old 13 Sep 2012, 06:31 pm
UptownSport's Avatar
Veteran Cruiser
 
Join Date: Jan 2011
Location: 55403
Posts: 3,912
Default Re: a/c blower fan issue

Bad? it still works on the other three speeds!

Seriously, I grabbed a connector for someone who never picked it up, if you end up needing it.
Reply With Quote
  #7 (permalink)  
Old 13 Sep 2012, 07:20 pm
Ray_Dockrey's Avatar
Senior Cruiser
 
Join Date: May 2012
Location: Mustang, OK
Posts: 1,213
Default Re: a/c blower fan issue

So maybe I am looking at this wrong. I thought the blower motor resistor had a separate thickness of wire for each speed but high. When that particular wire burns up you lose that speed but the other speeds will continue to work. Is that not how it works? I am much more familiar with GM's and that is how they work. They fail all the time this way.
Reply With Quote
  #8 (permalink)  
Old 13 Sep 2012, 08:19 pm
Badglas's Avatar
Cool Cruiser
 
Join Date: Jul 2012
Location: Central Illinois
Posts: 493
Default Re: a/c blower fan issue

Quote:
Originally Posted by Ray_Dockrey View Post
So maybe I am looking at this wrong. I thought the blower motor resistor had a separate thickness of wire for each speed but high. When that particular wire burns up you lose that speed but the other speeds will continue to work. Is that not how it works? I am much more familiar with GM's and that is how they work. They fail all the time this way.
Hey Ray. I don't think you are looking at it wrong. I'm not sure what GM vehicle you are familiar with, but I'm guessing that blower speed was controlled on the B+ side of the system.

If you look closely at the schematic CREWZIN posted you will see that the blower speed control is on the ground side of the motor. Speeds 1 thru 3 pass through the resistor block, high speed does not.

You were right all along!

Ron
__________________
2001 PT Cruiser Limited Auto Stock

"Political correctness is a doctrine, fostered by a delusional, illogical Minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a Turd by the clean end". (R.J. Wiedemann Lt.Col. USMC Ret)
Reply With Quote
  #9 (permalink)  
Old 15 Sep 2012, 07:17 pm
dadjmon's Avatar
Fresh Cruiser
 
Join Date: Feb 2011
Location: Kannapolis, NC
Posts: 41
Default Re: a/c blower fan issue

Ok, I pulled the cowl screen off and found the resistor. I haven't picked up a new one yet as I wanted to chesk the connector first. I wiggled it around a bit and the 3rd position started to work, yay!! Unfortunately now the first speed does not work, boo! I guess I need to go pick up a new resistor. Question is how does the resistor actually come out? I didn;t see any screws but I did see what looks like 2 rivets. The whole assy feels kinda loose though. Does it just pull out? I don;t want to try to yank it out and mess things up worse.
__________________
Got Vinyl? 03 Touring Electric Blue, 17" HD Cool Down rims, Tinted Windows, K&N Cold Air Intake, Pioneer DEH-P7800MP head unit with XM Satellite radio, 6 3/4 Infinity Kappa Component Speakers in front doors, 6x8 Infinity Kappa 2 way speakers in rear pillars, Infinity 475a amp, Custom under seat 8 inch Kicker CompVT sub with zx200.2 Kicker amp and SSL 2 farad capacitor.
Reply With Quote
  #10 (permalink)  
Old 15 Sep 2012, 10:59 pm
Ray_Dockrey's Avatar
Senior Cruiser
 
Join Date: May 2012
Location: Mustang, OK
Posts: 1,213
Default Re: a/c blower fan issue

I would buy the new one and see if you can tell from the new one how the old one comes out.
Reply With Quote
Reply


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
A/C Blower Flow Noisy! rcalzadilla General PT Cruiser Discussions 12 26 Jun 2014 12:03 pm
Fake blower motor? GuruCruiser Exterior Accessories Forum 3 27 Apr 2012 07:20 am
Heater Blower Motor Issue sscanlan General PT Cruiser Discussions 5 30 Aug 2011 10:50 pm
Blower motor journalist1947 General PT Cruiser Discussions 6 21 Sep 2009 10:35 pm
Blower Heater Problem Phewzd Tech & Performance Forum 1 14 Jan 2009 02:45 pm


All times are GMT -5. The time now is 06:43 pm.




Powered by vBulletin® Version 3.8.2
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
LinkBacks Enabled by vBSEO 3.6.0 PL2 © 2011, Crawlability, Inc.
vB.Sponsors