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Old 07-08-2017, 11:44 PM   #11
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I have run into you situation before, I want to say it was 92490-7B411(its been awhile), and yes, I would grind some more off
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Old 07-09-2017, 07:02 PM   #12
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Quote:
Originally Posted by YEPEE View Post
I want to say it was 92490-7B411 (its been awhile)
I looked up 92490-7B411, that's a high pressure line for a V6 engine, mine's 4-cylinder.


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Originally Posted by YEPEE View Post
yes, I would grind some more off
You've come across this situation before???? That's amazing, how come no one at the factory - even in China - could measure or compare to a factory line?

So since my AC is all connected, filled with R134a and working great right now, would you leave it "as is" until the O-ring leaked (if ever) or take it apart NOW and shorten the fitting ends?

I realize that my risk is just not losing 2 cans of R134a but the chance of losing an unknown amount of refrigeration oil should that happen, and having to guess how much oil to back add.

Thanks for the input.
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Old 08-12-2017, 03:01 PM   #13
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UPDATE: I did NOT open up the system to trim the ends of the fittings to match the original factory "depth". So it's been like 7 weeks now since I shortened the fittings "somewhat" on the only available aftermarket hose and replaced the fan clutch, and the system has continued to operate perfectly.

Will this fail/leak at either end eventually??? I have no idea. But I'll deal with that - and the guess of any loss of oil - when and if that happens.
A 221K-old AC system in Arizona that works so well in afternoon sun that one must shut the compressor off periodically is nothing to sneeze at, or monkey with (111F in Phoenix a few days ago).
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Old 10-14-2017, 04:00 PM   #14
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UPDATE Oct. 14, 2017.

AC still holding pressure/leak-free and working fine, still mid 90s in Phoenix this time of year so still using the AC.
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Old 11-09-2017, 08:13 PM   #15
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Nov. 2017 update:

The Frontier AC is still holding up, no leaks from those fittings on the high pressure line. Yes, we still use the AC in Phoenix now, but it has dropped below 90F.

So today it was the day to replace the drive belts, at least two were a decade old. I removed the PS belt and loosened the AC belt and dropped that in place, was definitely the alternator/fan belt causing the start-up squeal. I bought the replacement belts from Rock Auto, Bando and Gates, all top quality and shipped from same warehouse. I noticed that the adjustment bolt for the alternator/fan belt was bent (top, actually bent more than the photo shows), so removed that and did not have a replacement that was of enough length and full 8 x 1.25mm thread. I used a slightly-shorter belt for the alternator/fan (Gates #7350 instead of #7355 detailed) and now I have more adjustment potential.




Since I had some parts yard bolts of same length but shorter thread (middle), I cut new threads on one (bottom). But i decided to bicycle to Ace hardware and they had bolt of correct length and full thread for $1.69 so I got that, but it's not JIS, uses a 13mm wrench.

Replacement of the belts was straightforward, but at first had a noise from the AC idler; even though the adjustment seemed pretty tight, I had to adjust it tighter because the AC idler was contacting the pulley on the compressor, making noise. There is just not much clearance there, maybe because my AC idler is Gates #36116 (aftermarket) as I replaced that like 5 years ago when the factory one seized.
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Old 11-13-2017, 09:19 PM   #16
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Squeals are all gone.
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