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Forum: Diesel Discussion

07-17-2017, 10:02 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

just to be sure i changed to vacuumed :-)

just to be sure i changed to vacuumed :-)

Forum: Diesel Discussion

07-17-2017, 05:11 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Good news! I followed the procedures - 0....

Good news! I followed the procedures -

0. checked for leaks from system while charged to be extra sure - none found
1. recovered the R12
2. replaced high side valve core
3. vac'd system for 2...

Forum: Diesel Discussion

07-13-2017, 09:45 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

cool, thanks jim! my haynes AC manual says...

cool, thanks jim!

my haynes AC manual says to vac for 5 mins :eek: ive seen opinions on this ranging from minutes to an entire day

Forum: Diesel Discussion

07-13-2017, 05:20 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Cool. I was hoping to not have to lose valuable...

Cool. I was hoping to not have to lose valuable R12 but it's inevitable I guess.

The recovery machines on ebay for $400 are tempting! Three recoveries...

am i insane to think i could find an...

Forum: Diesel Discussion

07-13-2017, 01:13 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

engatwork - - sealed system - pulled...

engatwork -

- sealed system
- pulled vacuum for 1/2 hour, let sit overnight
- charged with 2.2 lbs of R12, leak checking after first 12 oz for several hours
- noted 43F at the vents during...

Forum: Diesel Discussion

07-12-2017, 05:52 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

yes. Yes. 1. the high side...

yes.

Yes.

1. the high side was not depressed
2. upon installing a core into the low side using the yellow jacket tool, the hoses would not depress that core either.

Forum: Diesel Discussion

07-12-2017, 04:02 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

R4 from compressorworks - so it is new to 'stock'...

R4 from compressorworks - so it is new to 'stock' specs.

the only old component is the condenser, i believe it is original. hoses are from mercedes and original spec. im in Boston, so i dont...

Forum: Diesel Discussion

07-12-2017, 08:52 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

I got a Mastercool gauge set - the brass...

I got a Mastercool gauge set - the brass depressors on that one are correct and work.

I'll test the system later today and see where I'm at.

Forum: Diesel Discussion

07-09-2017, 05:05 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Hmm - I am using schrader valves that come in my...

Hmm - I am using schrader valves that come in my Santec o ring kit from this site.

Am I correct to screw the valve into the hose until it seats firmly and then gently tighten?

I have a new to...

Forum: Diesel Discussion

07-09-2017, 12:26 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Thanks funola - I will draw out a diagram for...

Thanks funola - I will draw out a diagram for sure.

With the hoses, am I missing something here? (see pic)

I have a hose that the depressor tab is past the seal (bottom in pic), so that it...

Forum: Diesel Discussion

07-08-2017, 10:24 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

exactly - so i was getting readings because there...

exactly - so i was getting readings because there was no core - if there was one the hose would not have depressed it.

i did all of the work through the gauge set connections, so I never heard...

Forum: Diesel Discussion

07-08-2017, 09:39 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

OK - so problems identified and solved. 1....

OK - so problems identified and solved.

1. My gauge set hoses don't depress the valve core. The set I have, the brass tab isn't long enough to push in the core, so it can't take a reading. Grr. ...

Forum: Diesel Discussion

07-05-2017, 09:25 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

we shall see - just got back home from a few days...

we shall see - just got back home from a few days away and i have the Appion here and the yellow jacket gets here tomorrow.

Amazon does have free return shipping for Prime items, but only the...

Forum: Diesel Discussion

07-02-2017, 08:18 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Hmm, thanks funola. I just went and bought the...

Hmm, thanks funola. I just went and bought the the yellow jacket one as well. I guess I'll have a shoot out and return the loser :-)

Forum: Diesel Discussion

07-01-2017, 09:01 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Here's the magical tool I ended up buying...

Here's the magical tool I ended up buying (functionally equivalent to the yellow jacket one):

https://www.amazon.com/gp/product/B01M7SQGTR/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

funola - i...

Forum: Diesel Discussion

06-30-2017, 09:02 AM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

thanks again for the help - i see the...

thanks again for the help -

i see the schrader valves listed on this site. are they the same as generic ones at an autoparts store? im hoping theres nothing special about them...

what does...

Forum: Diesel Discussion

06-29-2017, 07:37 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

Thanks everyone :) I do have the ubiquitous...

Thanks everyone :)

I do have the ubiquitous Harbor Freight Gauges. Thanks Bill for clarifying how those ones work.

I think the high side valve core must be stuck.

New problem. I went to go...

Forum: Diesel Discussion

06-29-2017, 01:17 PM

Replies: 61

AC Charge Question - High Side and Low side identical?

Views: 3,870

Posted By dieseldan44

AC Charge Question - High Side and Low side identical? SOLVED

Hi AC folks -

W123 / 82 300D

- 30 minutes vacuum pump time, vac held overnight properly
- charged with 2.2 lbs of R12 this morning
- compressor engages when turning cooling system on
- 40...

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