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Knee Pads are Overrated!
 
Rawknees'Turbo's Avatar
 
Join Date: Apr 2016
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Karlicious, regardless of the cleaning technique, the HOA (aka - legalized criminal enterprise) at your place of residence, the one that insisted your car wear a diaper, is going to loooovvvveeeee you! Also, might I suggest that you get Ms. Sweet Thang, pictured earlier in the thread, to help out whilst wearing that swimming gear? Thank you, and pics are mandatory, buttofcourse!
Old 08-11-2016, 06:50 PM
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^^^ Rono... diaper-fix shut building management up nicely. No way to work AC in condo garage---security picks me up on camera and they're in my face in 2 minutes reminding me of rules they know I know. Gots to do all work on cars elsewhere. Babe is not involved in mechstuff... is adverse to all things dirty (grit & grease wise.) Am heading out now to get anaconda out of car.
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Old 08-12-2016, 05:00 AM
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Quote:
Originally Posted by Bob Kontak View Post
He said fines, Bevis. Yeah. Heh heh, fines.
Looks like someone put the tie wraps in system. Clever.
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Old 08-12-2016, 10:44 AM
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Make America Great Again!
 
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Here's the HOA board discussing the matter...huffing freon...


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915s shift like butter!

Last edited by Rich Gas; 08-12-2016 at 11:09 AM..
Old 08-12-2016, 10:57 AM
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3 hr. project to pull all hose from car. Belly pan's not removed--- hoses are cut and pulled up out of smuggler's box. Might be possible to leave tow lines in there to pull new hoses through later. Did not take time to set that up. A look at cond #2 just after hose is removed from fitting...






George... thanks for Sanden Service Manual ref. Took a read through that last night. Enlightening. Section from page 22 (below.) Similarity between strand in pic and what we're seeing in my system = disturbing.




Damm fine direction to replace hose with new. TY CG. BTW, all your retainer hardware installed in '08... not a spit of rust ANYWHERE. Compliments to you on the quality here.

.
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Current: '80 Silver Targa w /'85 3.2, '79 Anthracite 930
Prior: '74 Carrera. '79 Silver 930. '79 Black 930.
Old 08-12-2016, 11:18 AM
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Knee Pads are Overrated!
 
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Rich, that looks about right! The HOAs here is TexAss have so much power it is hard to believe - don't cut grass close enough to curb and they can put a lean on your property, etc. I **** you not!

Karl, so that is black goo draining out of the condenser? Wow - looks like used oil that you'd expect to see coming out of a diesel engine! Heaven help me, but I wonder if Willard called it with the "fines" he was so concerned about in 2014 - was that an early indicator of the failing compressor?
Old 08-12-2016, 11:46 AM
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https://youtu.be/qzAIfz0jLsM

Looks like the piston rings on the compressor are loose in the system
Old 08-12-2016, 11:51 AM
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Knee Pads are Overrated!
 
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Quote:
Originally Posted by db_cooper View Post
https://youtu.be/qzAIfz0jLsM

Looks like the piston rings on the compressor are loose in the system
Who's yer daddy, Karl?!?!
Old 08-12-2016, 11:52 AM
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What in the holy hell did you get yourself into boy?

Who did you piss off that opened your system and stuffed an entire 120 minute cassette tape's (Maxell, metal not chrome of course) worth of tape into you hoses?
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Old 08-12-2016, 11:57 AM
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Quote:
Originally Posted by Rawknees'Turbo View Post
Who's yer daddy, Karl?!?!
U killed it Ron!

PS My bad for shootin u down on that.
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Current: '80 Silver Targa w /'85 3.2, '79 Anthracite 930
Prior: '74 Carrera. '79 Silver 930. '79 Black 930.

Last edited by Discseven; 08-12-2016 at 02:41 PM.. Reason: PS
Old 08-12-2016, 02:30 PM
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Quote:
Originally Posted by Pazuzu View Post
What in the holy hell did you get yourself into boy?

Who did you piss off that opened your system and stuffed an entire 120 minute cassette tape's (Maxell, metal not chrome of course) worth of tape into you hoses?
DB shed the light on "the strands." That's a mystery solved. TY DB.
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Prior: '74 Carrera. '79 Silver 930. '79 Black 930.
Old 08-12-2016, 02:33 PM
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Knee Pads are Overrated!
 
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Quote:
Originally Posted by Discseven View Post
U killed it Ron!

PS My bad for shootin u down on that.
Yes, being the super sensitive type, I took great offence to your doubting Thomas attitude, and considered making a trip to Floriduuuuu to secretly remove your car's diaper, and send pics of fresh oil drips on parking garage floor to appropriate authorities, as a means of retort for your insensitivity, bub! Doubt me again, bisch, and see wut happens!!!!
Old 08-12-2016, 02:55 PM
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^^^ Best to wear one of your stockings over your head when fiddling with car's diaper Rono... throw on some stilettos for good measure---you'll be immortalized on building's vid record. Management will once again wonder about the sordid crew I hang with.
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Current: '80 Silver Targa w /'85 3.2, '79 Anthracite 930
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Old 08-13-2016, 05:03 AM
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Karl,

I'm pondering your compressor, is this the same used compressor you had back when you did the initial AC upgrades 11 years ago ? Same compressor you replaced the the nose seal 1 year ago? Same compressor suffering through My AC Burns me up, parts 1 and 2?
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Old 08-13-2016, 06:37 AM
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Quote:
Originally Posted by kuehl View Post
Karl,

I'm pondering your compressor, is this the same used compressor you had back when you did the initial AC upgrades 11 years ago ? Same compressor you replaced the the nose seal 1 year ago? Same compressor suffering through My AC Burns me up, parts 1 and 2?
Yeah. Comp was purchased---supposedly new---in 2001 from local Porsche shop who installed it and other related bits at same time. Collaborating with you and forum team... I made system cool better than they did, perhaps even with F'd compressor (as I suspect it was during threads from 2014.)

Thanks for "replace hose" direction. Makes perfect sense (now that I've come to my senses.)

Should PS be replaced?

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Current: '80 Silver Targa w /'85 3.2, '79 Anthracite 930
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Old 08-13-2016, 07:48 AM
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Karl,
Most compressors can go 100k miles on their internals, provided they have not had hick ups, debris or oil issues along the way. I cannot pinpoint exactly why your used compressor died as it did, however I'm going to summarize it as due to "multiple issues" and age. Considering it was purchased in 2001? (15 years ago), whom knows what happened from its initial install date, as well as My AC Burns Me Up saga. Hence, I'd just move forward.

Initially, in this thread, I considered liquid AC flushing certain components and the hoses. However, after seeing the type and density of the debris, especially coming out of the condenser...... I'm going to lay it on the line my friend, you will be needing to replace quite a few items as the debris particles are of such a range in size as well as content.

The debris question kinda reminds me of my son's past Subaru's turbo that tossed its cookies. The amount of metal in the oil pan filled half a 12 oz pepsi bottle. The subaru dealership said they could flush out the heads and the first cat converter could be blown out. Total BS.... Too many galley ways and oil passages and a honey comb cat that's 8" deep is never going to let it all go.

Hence:
Condensers? Tube and fin are easier to flush than serpentine or micro channel, so I suggesting you think about that.
Evaporator? Get a new TEV. The evap core is 21 channels, each 95" long and their bores are under 2mm x 3mm with a micro finish not suited.
Drier? New
Hoses? New
PS? for the cost, New
Compressor? New naturally.

And, this time.... I'd think about an 'inline filter' between the compressor outlet, after the pressure switch, before the deck lid condenser. This would be a filter as opposed to a filter-drier.
In 20+years we have never needed one, and never suggested one, however, considering what you have been going through, and the relative low cost, I'd ponder it.
There are many screen filters out there but usually they are designed for the compressor inlet port and that's what you call "a bit too late" in the flow.

If this was a flat six air cooled motor that got hit, it would me much simpler to clean it out. With AC systems you are talking about a lot of long lengths you'd never get an affordable borescope to exam what you got never mind what you cleaned.

In the mean time, think of this as a Winter Project.
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Last edited by kuehl; 08-13-2016 at 08:49 AM..
Old 08-13-2016, 08:33 AM
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^^^ Appreciate further input---TY. Indeed... am moving on.

Inline filter. Do you have pic how that sets up on high line before condenser?
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Current: '80 Silver Targa w /'85 3.2, '79 Anthracite 930
Prior: '74 Carrera. '79 Silver 930. '79 Black 930.
Old 08-13-2016, 09:33 AM
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I guess this is an occasion when "black death" really killed just about the entire system. Holy smokes, Karl - you really did it good. [slow clap]
Old 08-13-2016, 09:45 AM
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'inline filter' between the compressor outlet, after the pressure switch, before the deck lid condenser.


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1987 911 cab, modified
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Old 08-13-2016, 09:46 AM
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As far as hoses go, when I went to barrier hoses, I went to a local industrial hose supplier.
They do all types of hoses including AC hoses. My local supplier Royal Brass made up a complete set for me with reduced diameter barrier hose. They reused my old fittings
and did an excellent job. They even "clocked" all the fittings perfectly. Took them a couple of hours turnaround and total bill was approx $125. Check it out locally, could save you some $.
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Old 08-13-2016, 10:23 AM
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