Hose Clamp Repair Help - Page 2 - Hyundai Genesis Forum
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post #21 of 25 Old 09-23-2018 Thread Starter
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Thanks, guys - I've got an appointment tomorrow morning - I'll let you know how it goes and appreciate all the help :-)

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post #22 of 25 Old 10-07-2018 Thread Starter
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I meant to update this thread with a conclusion and simply forgot.

So, this was quite the mystery for me and I'm not sure I understand the why/how of it because clearly I had a leak and physically confirmed it by not only identifying the location it was coming from but also by the tiny pool of liquid/oil on the ground in my garage.

As suggested I took the car into a shop after validating they had a certified AC guy who would do the work. I had documented everything and identified the hose and even provided the part # that they could use to either get a OEM replacement or something equivalent. I get a call two hours later to pick up the car which I thought was way too quick since they still would need to have the part delivered, etc. Sure enough, they didn't replace the hose. I asked the guy about the leak and he said he did a leak test and couldn't find any issues. He said that I had way too much Freon in the system and he basically did a full "flush" (whatever they call it when it applies to your AC - flush was not the word he used) and went through a standard AC maintenance checklist - which included testing for leaks - and everything was good.

So, I don't know. I didn't really believe it but after a few weeks I don't see any leak or oil coming out from where it was before so what the heck? I guess if you put way too much Freon in your system it has to escape somehow? If so, lesson learned. Does any of this make sense to the rest of you?

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2013 RSpec

SFR Custom Tune ECU : ATQ Short Shifter : ATQ Rear Shifter Linkage Bushings : ATQ Linkage Bushings
AEM v2 Water/Meth Injection Kit : DC Sports DTS6601 Cat-Back Exhaust : K&N 69 Series Typhoon CAI
Synapse Synchronic BOV/Charge Pipe : Saikou Michi S1-DC3 Dual Oil Catch Can System
Torque Solutions Throttle Body Spacer

Last edited by tt0ne; 10-07-2018 at 04:32 PM. Reason: spelling
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post #23 of 25 Old 10-07-2018
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Did you add any? Generally there are very slow leaks but a good system should be leak free and no need of charging for at least 5 years. You really need to read the high side pressure to see if you have enough. Not hard to do if you have the gauges which many places rent cheap.

The danger of the cans with a gauge on them is you are reading the low side pressure and that does not tell the tale.

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post #24 of 25 Old 10-07-2018 Thread Starter
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Yes, I believe I mentioned that in one of my posts above that at one point I know I added too much Freon using one of those do-it-yourself kits. This would have been around 1.75 years ago. I had thought my cooling issues were due to not enough Freon but later I figured it out that it was due to bubbles in my cooling loop. Those do-it-yourself kits suck donkey balls because it was incredibly hard to get the filler port hooked up and still have enough room to even move the canister. In the end I ended up putting way too much in.

But... can that explain what appears to be a leak and then flushing it and no more leak?

EDIT: by the way, it's been almost six years/120,000 miles later with almost all of them with the AC on - so it's about time for a charge, right? ;-)

---
2013 RSpec

SFR Custom Tune ECU : ATQ Short Shifter : ATQ Rear Shifter Linkage Bushings : ATQ Linkage Bushings
AEM v2 Water/Meth Injection Kit : DC Sports DTS6601 Cat-Back Exhaust : K&N 69 Series Typhoon CAI
Synapse Synchronic BOV/Charge Pipe : Saikou Michi S1-DC3 Dual Oil Catch Can System
Torque Solutions Throttle Body Spacer

Last edited by tt0ne; 10-07-2018 at 08:09 PM. Reason: additional info
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post #25 of 25 Old 10-08-2018
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A properly charged system will have up to 400 psi on the high side when it's in the 90Fs out. Low side may be in the 45-50 psi range at those temps. So over charging can produce very high pressures.

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