A/C help/questions for the 929

[jitb37]

Alright..soo my A/c compressor in the 929 i "thought" wasnt working. but i was told that i needed to jump it, because it didnt have any freon in it from the previous owner. So i doo that, and its spinning! i get freon, charge it up.. with a small can..it doesnt get cool. So i go get a big can, and crank it start to fill it, and its ice cold, but it starts to make a loud clicking noise from the compressor(lke a baseball card in a bicycle spoke).. but it stops when i rev the motor. So i empty the can... and after about 20 minutes.. i stop filling, and notice its not as cold as it was.. its just cool air..But the clicking stopped..

Do i need more freon?

What was that clicking noise?

[me109]

I heard that noise from one of my BG compressors. It made it at idle from the day I got the car until the day it stopped working. I don't know what it was but it lasted for ~ two years.

You might try vacuuming the system and putting in new oil and refrigerant.

[ivan15]

The clicking is the compressor over heating. Mines on the 93 protege was doing the same thing. I had a bunch of leaks in system so I did a rebuild with a new/rebuild compressor and the noise was heard no more.

[ivan15]

Here is what I did.

http://www.wihandyman.com/forum/showthread.php?t=34850

[MazdaNoob]

freon doesnt get used up .. it escapes.

adding freon to a system that has leaked and sat for a while NEEDS repairs before refilling.

at a minimum it needs a new drier, seals ,a proper vacuuming and oil or you are just wasting your money on refills and taking a chance on killing the compressor.

overcharging the system can result in the evap core freezing over completely which would give you very little actual cooling

[jitb37]

its fine now, i believe i had a little too much in it, and it froze. but its fine now.

it never leaked, the belt just snapped, and the previous owner never replaced t. i just assumed it didnt work. I ran some oil in it, with the freon also. And it stopped the clicking, which was from it not being lubricated so i was told. but it seems to be fine now, stayed on all day today ICE COLD!

[MazdaNoob]

if you had to add ... it leaked

glad it's working .. you may want to top it off with the cans of sealant/ freon next time it needs topping up ... it will

[jitb37]

if you had to add ... it leaked

glad it's working .. you may want to top it off with the cans of sealant/ freon next time it needs topping up ... it will

I checked for leaks, with the leak detector kit, and the UV light/glasses... and havent seen any. 17 years of use i think it would have gotten a little low.

[MazdaNoob]

hey dont get me wrong ... i envy that you have working ac really and i'm glad the recharge took ..
but ... freon doesnt get used up / wear out/ become less effective.... it leaks. just an fyi

<< certified refrigeration tech

[jitb37]

hey dont get me wrong ... i envy that you have working ac really and i'm glad the recharge took ..
but ... freon doesnt get used up / wear out/ become less effective.... it leaks. just an fyi

<< certified refrigeration tech

how should i go about finding this leak?

[MazdaNoob]

keep watching for the dye to leak... problem is it might be @ the evap core which is impossible to see while pressurized

it can take a few days for the leaks to show

[jitb37]

gotcha