[AT] Air conditioning problems In my parts getter...

[Cecil Bearden]

Steve:

I will check into it.  Some of the tractors have some leaks I can't find.
Cecil


On 6/10/2021 9:16 PM, Steve W. wrote:
> Cecil Bearden wrote:
>>
>>
>> I have repaired my own systems for over 50 years. I refuse to work on 
>> my wife's 2017 Grand Caravan. have to remove the battery box to get 
>> to the high side port. However, 2 years ago it only had 1.25 lbs in 
>> it, 2.5 full. Dealership vacuumed it and charged and found no leaks. 
>> Last week, something sounded like a popoff valve at the right rear 
>> and air conditioning was not as cold as 10 minutes before. Yesterday 
>> evening, went to wash car and it ran for 30 minutes without cooling 
>> at all. Dealership checked it today and only had .25 lbs. Held vacuum 
>> for 20 minutes without dropping. The recharged it with dye and let it 
>> run an hour and rechecked. No leaks. Any idea where it is going..??
>>
>> I baled about 6 acres of wheat/grass/weeds that I cut yesterday.  I 
>> wanted to bale it green so it would go through a sweat and kill the 
>> weed seeds.  It made 21  4x5 bales.  They were heavy since the green 
>> was still there too.  The cows had grazed on it for over 10 days, It 
>> would have made another 10 if they had not bedded down in it so 
>> much..  I let them graze out 10 acres and they nearly nubbed it to 
>> the ground.  The wheat I sowed in March is still coming up!  I am 
>> going to spray the entire field for weeds and then try to sow cane or 
>> hay grazer for some hay.  I have to get it cut off to sow wheat by 
>> the end of August.  Here, if wheat is not sowed by the end of August, 
>> it won't get any rain until almost November..   Field across the road 
>> was in wheat I think, and they cut it for hay and now it has 
>> resprouted  8 inches.  They were applying liquid fertilizer on it 
>> today, guess they are going to try for double cropping. Maybe they 
>> sowed ryegrass on it, it will regrow.
>>
>> Cecil
>>
>
> That one still has 134A in it I believe. Sounds like it also has the 
> rear AC option. I would suspect one of the rear lines, but they should 
> have found that if it's leaking that fast. I use CO2 for testing these 
> days as you can buy a nice cheap chemical that changes color fast when 
> exposed to small amounts of it and you can spray it around the system, 
> then charge with CO2 and usually spot the leak much faster than with 
> dye. Then it's a simple matter of venting the CO2 out, repair the 
> leak,  pull a vacuum and recharge. Currently I'm not touching the 
> 1234YF stuff yet, way to expensive to buy all the gear to do it when 
> it isn't all that common in used vehicles around here yet.
>