Heater and A/C
10-15-04, 08:06 PM
#1
Heater and A/C
Well it finally got cold here in Florida, 65 degrees. I tried out the heater tonight for S&G's and it didn't work at all. I tried to switch the A/C to defrost and it just blew cold air out the face vent. Couldn't switch it to defrost or feet so does this mean the Digicon is gone or do I have a vent stuck?
10-15-04, 10:12 PM
#5
Ban Peak
iTrader: (49)
I have a logicon for sale. If you're interested PM me or email me at molotov_grenade@hotmail.com
-Ian
-Ian
10-15-04, 10:13 PM
#6
Trending Topics
10-16-04, 03:54 PM
#9
Ban Peak
iTrader: (49)
Before you E-mail me, did you hear a motor when you did what I told you to do above? If you didnt hear a motor, thats why it's blwoing cold, the air mix motor isnt being activated to change the air temp to hot. I had the same problem. So I got a used logicon, you can take yours out to have it rebuilt(the forum moderator Icemark rebuilds them, www.mazdamark.com) or you can get a used one. New ones are $440 something at Mazdatrix.
10-16-04, 07:32 PM
#10
I tried what you said and there is no change. My A/C works fine but there is no vent control except for outside air and recirculate. No defrost and no heat. That tells me the Logicon is not working. I have found rebuilt logicons at three differant places and some used ones at the local junk yards but I would prefer one either rebuilt or a known working one.
You have one for sale. Let me know your price, I understand the LED's come in differant colors, what color is the one you have?
NZ Convertible say's they are repairable, I guess I can send it to Ice Mark and have it rebuilt. I don't need it right away because I'm going to park the 7 in the garage for a few months and rebuild the drive train, new clutch, drive shaft and new dif mounts. I need the tranny rebuilt as well and found a Mazda mechanic locally that does it.
You have one for sale. Let me know your price, I understand the LED's come in differant colors, what color is the one you have?
NZ Convertible say's they are repairable, I guess I can send it to Ice Mark and have it rebuilt. I don't need it right away because I'm going to park the 7 in the garage for a few months and rebuild the drive train, new clutch, drive shaft and new dif mounts. I need the tranny rebuilt as well and found a Mazda mechanic locally that does it.
10-17-04, 01:28 AM
#11
Ban Peak
iTrader: (49)
LED's are only different color if they are changed, Icemark does that when he rebuilds them. I'll have to check my extra logicon, as it is coming out of my parts car. Give me a day or two to plug it into the RX-7 that I drive and have a known good logicon in. If it doesnt work, its not being sold.
10-17-04, 01:25 PM
#12
Former Moderator. RIP Icemark.
Originally Posted by Innovation
I tried what you said and there is no change. My A/C works fine but there is no vent control except for outside air and recirculate. No defrost and no heat. That tells me the Logicon is not working. I have found rebuilt logicons at three differant places and some used ones at the local junk yards but I would prefer one either rebuilt or a known working one.
I understand the LED's come in differant colors, what color is the one you have?
10-17-04, 07:04 PM
#13
Thats what I'm looking for Icemark. I'm going to rebuild the drive train first and then worry about the Logicon. I read on this site and some others that the Ujoints can't be replaced on a 87 FC, you have to buy a new drive shaft. Can a drive line shop replace them?
10-18-04, 04:25 PM
#15
Junior Member
Join Date: Oct 2004
Location: St Andrews, Fife
Posts: 30
Likes: 0
Received 0 Likes
on
0 Posts
If you are looking for a really nasty way of adjusting your heater temporarily, then disconnecting the control rod from the air mix motor and the first plate it connects to allows you to move the air-mix doors by hand. Connecting something like a bicycle spoke to them too allows you some contol over the heat output, but does mean you have to fiddle with stuff in your footwell. Ideal method if you're waiting your paycheque...
Slightly tangential question: Icemark, have you ever posted an air motor and logicon to the UK?
Slightly tangential question: Icemark, have you ever posted an air motor and logicon to the UK?
10-18-04, 06:59 PM
#16
Former Moderator. RIP Icemark.
Originally Posted by HardPlant
If you are looking for a really nasty way of adjusting your heater temporarily, then disconnecting the control rod from the air mix motor and the first plate it connects to allows you to move the air-mix doors by hand. Connecting something like a bicycle spoke to them too allows you some contol over the heat output, but does mean you have to fiddle with stuff in your footwell. Ideal method if you're waiting your paycheque...
Slightly tangential question: Icemark, have you ever posted an air motor and logicon to the UK?
Slightly tangential question: Icemark, have you ever posted an air motor and logicon to the UK?
I usually send the items with the customs declaration as Automotive Samples, so that there should not be customs duties at your end.
10-18-04, 07:46 PM
#17
Icemark, I pulled the drive shaft out of my 87 FC tonight. The front Ujoint is trash. The Mazdatricks web site says they can't be replaced but there is a drive shaft place here in Orlando that the Mazda dealership says that they can replace them.
Whats up with that! Can they be replaced or not?
Whats up with that! Can they be replaced or not?
10-18-04, 08:09 PM
#18
Ban Peak
iTrader: (49)
People have found a way to replace them with special U-joints. The dealer will probably replace the driveshaft. Search for replaceable U-joints. There is a guy down in florida with a few parts cars. His forum name is Surfmon. You could probably pick up a good used driveshaft from him. I've dealt with him before, he's a good honest guy.
Good luck with your RX-7.
Good luck with your RX-7.
10-18-04, 09:34 PM
#20
Former Moderator. RIP Icemark.
There are aftermarket drive shafts that have replaceable U joints, and in theory (I have never done it, but others claim too have) you can bend the stock forks on the stock Mazda driveshaft to put new joints in.
10-20-04, 07:33 PM
#21
West-coast Hoser... eh
Join Date: Feb 2004
Location: Victoria BC, Canada
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
i have a custom re-tubed drive-shaft for my turbo tranny<--->N/a rear end.
i do have a replacable U-joint at the pinion end of the shaft. But couldn't tell you the part# since i don't know. But i do know that the ears had to be honed out to fit the u-joint.
But ON Topic here.. my heater isn't working either.. I have a full S5 swap, body harness and all, even the S5 dash, S5 heater... but it does not want to work. It will click when i slide the Logicon control over to max blow... also, the trap door for Recirc/Fresh Air does work and move. But nothing else otherwise..
This is with the S4 Logicon.....
i do have a replacable U-joint at the pinion end of the shaft. But couldn't tell you the part# since i don't know. But i do know that the ears had to be honed out to fit the u-joint.
But ON Topic here.. my heater isn't working either.. I have a full S5 swap, body harness and all, even the S5 dash, S5 heater... but it does not want to work. It will click when i slide the Logicon control over to max blow... also, the trap door for Recirc/Fresh Air does work and move. But nothing else otherwise..
This is with the S4 Logicon.....
10-20-04, 08:14 PM
#22
Junior Member
Join Date: Oct 2004
Location: St Andrews, Fife
Posts: 30
Likes: 0
Received 0 Likes
on
0 Posts
BC-X, Do you know if the relay for the blower motor has blown? (Excuse the pun) or if wiring from the fuse-box all the way to the blower motor is intact and correct? If you remove the heater fuse (in my FC at least) all the relays still opperate, and the mode and recirc doors move (the airmix ones don't, hence the question for Icemark, many thanks for the answer btw) but the blower motor does not spin up. Maybe worth a look?
11-16-04, 09:22 PM
#24
West-coast Hoser... eh
Join Date: Feb 2004
Location: Victoria BC, Canada
Posts: 101
Likes: 0
Received 0 Likes
on
0 Posts
little late to this. . but i'm still battling heat issues.
It turned out to be a fried Blower Amp box (little black box).. but i think my air-mix motor has bit the dust as well.. or something in there at least.
i have all functions but heat itself. ..the heater-exchange hoses are clear with no debris or kinks.. so the only thing i can come up with is that mix motor.
I called Radioshack here, and they apparent don't sell Thermal fuses.. ? so, i'm at a loss at the moment.
It turned out to be a fried Blower Amp box (little black box).. but i think my air-mix motor has bit the dust as well.. or something in there at least.
i have all functions but heat itself. ..the heater-exchange hoses are clear with no debris or kinks.. so the only thing i can come up with is that mix motor.
I called Radioshack here, and they apparent don't sell Thermal fuses.. ? so, i'm at a loss at the moment.
Thread
Thread Starter
Forum
Replies
Last Post