CCU or blowers
10-02-2011, 08:58 PM
#1
Burning Brakes
Thread Starter
CCU or blowers
Guys, forgive me for not using the search...
I am in my GF's place with nothing but a BlackBerry at 3am and my A/C ventilation on the 964 stopped working.
So, I turned the fan **** from 2 to 4 and that was it. No more airflow. Just complete silence, no air movement.
Even when I push the second A/C button (which gives me max cool) nothing happens.
Would this be a CCU issue or did the blower go?
My car is useless in this desert without AC.
Advice & tips much appreciated.
Thanks.
I am in my GF's place with nothing but a BlackBerry at 3am and my A/C ventilation on the 964 stopped working.
So, I turned the fan **** from 2 to 4 and that was it. No more airflow. Just complete silence, no air movement.
Even when I push the second A/C button (which gives me max cool) nothing happens.
Would this be a CCU issue or did the blower go?
My car is useless in this desert without AC.
Advice & tips much appreciated.
Thanks.
10-03-2011, 04:34 AM
#5
Burning Brakes
Thread Starter
I'll check the fuse and relay tonight... Thanks guys.
Didn't have time last night, just swapped cars and parked her. I hope it is simple.
Didn't have time last night, just swapped cars and parked her. I hope it is simple.
10-03-2011, 04:40 AM
#6
Burning Brakes
Thread Starter
I'll check the fuse and relay tonight... Thanks guys.
Didn't have time last night, just swapped cars and parked her. I hope it is simple fix.
Called my mech and he says it is fuse #1 and didn't mention a relay.
Time to pull the elec diagram.
Didn't have time last night, just swapped cars and parked her. I hope it is simple fix.
Called my mech and he says it is fuse #1 and didn't mention a relay.
Time to pull the elec diagram.
10-03-2011, 02:40 PM
#7
Three Wheelin'
Join Date: Jul 2007
Location: Helotes, TX
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Check the fuse in the box in the engine compartment. I think if the rear blower which is run off this fuse doesn't work, the a/c also doesn't. Porsche upsized this fuse from 25 to 30a in a TSB if I'm not mistaken
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10-03-2011, 05:13 PM
#8
Burning Brakes
Thread Starter
It is fuse #1 in the lugguage compartment that is gone...
Easy enough to fix... now I hope the new one holds or something else must be wrong.
Thanks for the quick response guys... this saves my day and I can take the 964 out again.
Easy enough to fix... now I hope the new one holds or something else must be wrong.
Thanks for the quick response guys... this saves my day and I can take the 964 out again.
10-03-2011, 06:37 PM
#9
Three Wheelin'
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Location: Helotes, TX
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When the bearings in the front fans begin to go out, the squirrel cages bind on the housings and blow the fuse. The new fuse may last for a while but blowing it will become more frequent with use.
Tons of posts on this subject when you get to a computer to do a search. Good luck.
Tons of posts on this subject when you get to a computer to do a search. Good luck.
01-15-2012, 05:59 PM
#10
Burning Brakes
Thread Starter
Time to close this thread...
What I think happened is that the ballast resistor for the A/C went (exploded / failed or whatever you want to call it) and took the fuse out.
The fuse was replaced and the ballast resister was replaced as well and I haven't had a problem since.
More info can be found in one of my other threads: https://rennlist.com/forums/showthre...ferrerid=37266
What I think happened is that the ballast resistor for the A/C went (exploded / failed or whatever you want to call it) and took the fuse out.
The fuse was replaced and the ballast resister was replaced as well and I haven't had a problem since.
More info can be found in one of my other threads: https://rennlist.com/forums/showthre...ferrerid=37266
