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-   -   Another boring AC thread - installing a 993 condenser in a 3.2 Carrera (http://forums.pelicanparts.com/porsche-911-technical-forum/870573-another-boring-ac-thread-installing-993-condenser-3-2-carrera.html)

NathanR 06-17-2015 05:48 PM

Quote:

Originally Posted by DaveMcKenz (Post 8671336)

BTW, I really like your system, and IF my Wwested design does not perform well enough, yours will be my next step. I already have most of the parts and will just need one hose made.
Thanks for sharing,
Dave

Thanks Dave M.

Let me know if I can help with the hose. I anticipate ordering at least 1 more shipment of hose bits, and I have some extra #8 hose (good for connecting the deck lid condenser to an additional wheel well condenser.)

NathanR 06-17-2015 05:55 PM

Quote:

Originally Posted by Wavey (Post 8671145)

BTW, I had to replace my temp control, and feeding that capillary tube through the console and firewall and into the evap box was a M@+#&r#@%er. You get my drift. Lots of finesse required. Not sure if you're getting that.

I hope not, it worked before the system ran out of juice a couple years ago. I'll try not to break it when I remove the evaporator.

I'm assuming I can open the box, disconnect the hoses and wires and whatever nuts and bolts are required. That's on my agenda for the coming weekend.

NathanR 07-03-2015 06:57 PM

Well, good news, the capillary tube seemed perfectly fine and came out of the Evap box without drama. Today I got the evaporator out of the car.

http://forums.pelicanparts.com/uploa...1435978532.jpg

http://forums.pelicanparts.com/uploa...1435978571.jpg

http://forums.pelicanparts.com/uploa...1435978607.jpg

NathanR 07-03-2015 06:58 PM

Not nearly as bad as Karl's (discseven)

NathanR 07-03-2015 07:03 PM

I've not had much time to work on my project over the past few weeks. Plus, ironically, it's been so. Damn. Hot. I've not wanted to be in the garage.

What work I've completed has been pulling and replacing hoses. A bit tedious. I have one left to do, the Evap to compressor hose, and I'm waiting for more hose to arrive in the mail

NathanR 07-03-2015 07:11 PM

Also, today I confirmed one needs a 7/16th inch hi side service port adapter.

This one didn't fit

http://forums.pelicanparts.com/uploa...1435979131.jpg

I did order the right one, I just didn't get the right one.

Also, I had to take the port plate off the compressor to allow the pressure switch to clear the compressor body. If I had it to do over I would get a hose fitting with a switch port built it instead of in the adapter.

NathanR 07-03-2015 07:13 PM

In order to get the port plate off, I had to buy a 6mm Allen wrench-headed socket. Took a LOT of torque. Must have been heat cycling.

NathanR 07-03-2015 07:16 PM

Another tip to would be hose-fabricators: if you test-fit your hose before crimping the fitting but you don't clamp down every little bend in the hose, your hose will be 3-4" too long. Don't ask me how I know...

Ronnie's.930 07-03-2015 07:23 PM

Quote:

Originally Posted by NathanR (Post 8695503)
Don't ask me how I know...

Hmmmm, reads like the voice of experience right thar! :D

NathanR 07-03-2015 07:24 PM

This weekend I'm hoping to fit my new Kuehl evaporator blower motor and install my new rennaire Evap coil, and put the whole box back in the car. Time permitting, I may actually wire up the new fan on the 993 condenser.

88911coupe 07-04-2015 05:07 AM

Glad to read Silbur's comments since I'd been thinking of a way to fab up a shield from some leftover radiant barrier material. Also, to clarify, this condenser is for the rear wheel well...right? I saw some comments about the washer bottle being removed and got confused. I just got the same crimper and did a test run with the hose from the compressor to the deck lid condenser and initially the ferrul seemed to "squeeze out" at the joint between the two dies then closed down around them. I think some sort of lube would have allowed the dies to slide down around the ferrul better.

NathanR 07-04-2015 06:08 AM

Buck,

Yes, behind left rear wheel.

wwest 07-04-2015 08:41 AM

Quote:

Originally Posted by NathanR (Post 8695520)
This weekend I'm hoping to fit my new Kuehl evaporator blower motor and install my new rennaire Evap coil, and put the whole box back in the car. Time permitting, I may actually wire up the new fan on the 993 condenser.

"Kuehl evaporator blower motor.."

Is that still the one that requires back-dating the blower wheel to the pre-84 model?

If so that appears to me to have a strange aspect in that the '84 and later blower wheel seems to be a significantly changed, improved, design.

But then maybe the design improvement was only to reduce the noise factor and did not result in higher volume airflow.

Anyone actually measure before and after airflow volume..??

wwest 07-04-2015 09:23 AM

86-88+ A/C evaporator blower motor/wheel.

http://forums.pelicanparts.com/uploa...1436030469.jpg

Did you consider this.........?

Motor/Blower upgrade for 86-88

Evaporator Blower Motor Upgrade, 911 86-89

wwest 07-04-2015 09:32 AM

Quote:

Originally Posted by DaveMcKenz (Post 8671336)
Hi Nathan,
I used lots of Nylog on my system. I think of it as a thread lubricant, so the surfaces can seat properly. I think it is made from a/c refrigerant oil, and becomes quite viscous. Within reason I don't think it has much of a downside, such as clogging your system. OTOH I think Griff assembles his stuff dry, but he's a pro with lots of experience.
BTW, I really like your system, and IF my Wwested design does not perform well enough, yours will be my next step. I already have most of the parts and will just need one hose made.
Thanks for sharing,
Dave

Speaking of which.... what is current status..report?

DaveMcKenz 07-04-2015 09:52 AM

Out of town. Will update soon.
Happy Fourth,
Dave

kuehl 07-04-2015 11:04 AM

Quote:

Originally Posted by wwest (Post 8696089)
"Kuehl evaporator blower motor.."

Is that still the one that requires back-dating the blower wheel to the pre-84 model?

If so that appears to me to have a strange aspect in that the '84 and later blower wheel seems to be a significantly changed, improved, design.

Porsche changed the evaporator box and blower assembly in 1986. If LHD clients want to use our Hurricane blower motor on 86+ cars, all they need is a box top, plastic motor platform and metal blower wheel from any Behr unit in a 911,912, or 930, years 1970-1985. For RHD's, its a drop in, no other parts needed.

wwest 07-04-2015 02:24 PM

Quote:

Originally Posted by kuehl (Post 8696243)
Porsche changed the evaporator box and blower assembly in 1986. If LHD clients want to use our Hurricane blower motor on 86+ cars, all they need is a box top, plastic motor platform and metal blower wheel from any Behr unit in a 911,912, or 930, years 1970-1985. For RHD's, its a drop in, no other parts needed.

But does your "Hurricane" blower motor with the "back-dated" blower wheel really provide more air volume movement vs the 86-88 factory version.

Why not supply a Hurricane blower motor that drives the improved(***) design of the 86-88 blower wheel.

Porsche engineering didn't design the new blower wheel "just because".

NathanR 07-04-2015 03:31 PM

Experts, question: where should I tuck the TVX pigtail?

http://forums.pelicanparts.com/uploa...1436052677.jpg

NathanR 07-04-2015 03:33 PM

Was thinking the little cavity that is stuffed with foam inside the lower right corner. Lower right is close enough to reach.


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