Search found 834 matches
- Thu Sep 03, 2020 3:57 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 2007 Ford AC low side cycling
- Replies: 3
- Views: 606
Re: 2007 Ford AC low side cycling
If that FS18 drags the 4.6 down when cycling you are pushing your luck. Grab the clutch plate on the compressor & turn it by hand. If it is gritty or notchy you have some parts to replace. Running it with 60f vents at idle means it is really low on charge. Driving it like that keeps it from retu...
- Sun Aug 23, 2020 1:40 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Help me diagnose my AC
- Replies: 28
- Views: 3779
Re: Help me diagnose my AC
Brielly: Go to https://www.eautorepair.net/Marketing/Default.asp And spend the 20 bucks for a one month subscription. You will get access to the FSM data and full wiring diagrams. The sensor calibration points. The fan logic path. And any temperature / pressure reference data that Jeep provided for ...
- Fri Aug 21, 2020 3:54 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Help me diagnose my AC
- Replies: 28
- Views: 3779
Re: Help me diagnose my AC
Your mechanical fan clutch is shot. The mechanical fan is the most powerful air mover under the hood. The electric fan is an add-on to help in extreme conditions and with the A/C. Again, Jeep has changed the aux electric fan operating parameters several times over the years. Some are supposed to com...
- Fri Aug 21, 2020 2:19 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Help me diagnose my AC
- Replies: 28
- Views: 3779
Re: Help me diagnose my AC
Does this vehicle have a mechanical fan and an electric fan, or only an electric fan?
Jeep has changed the fan configuration too many times to count.
Jeep has changed the fan configuration too many times to count.
- Thu Aug 20, 2020 6:34 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 2008 F350 specs
- Replies: 2
- Views: 915
Re: 2008 F350 specs
What is the ambient temperature for those pressures?
Was this at idle or 1800 rpm?
Which engine in this truck?
Was this at idle or 1800 rpm?
Which engine in this truck?
- Thu Aug 20, 2020 6:22 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Help me diagnose my AC
- Replies: 28
- Views: 3779
Re: Help me diagnose my AC
System is either full of air, or your condenser is not doing the job.
How way it evacuated?
Any other repairs? Why was it recharged?
How way it evacuated?
Any other repairs? Why was it recharged?
- Thu Aug 20, 2020 3:46 pm
- Forum: Automotive Air Conditioning Forum
- Topic: Help me diagnose my AC
- Replies: 28
- Views: 3779
Re: Help me diagnose my AC
What is the ambient temperature?
Are those pressures at idle or 1800 rpm?
Are those pressures at idle or 1800 rpm?
- Mon Aug 17, 2020 3:16 pm
- Forum: Automotive Air Conditioning Forum
- Topic: 1979 F150 will not cool below 60F register temps/evap partially warm
- Replies: 11
- Views: 1990
Re: 1979 F150 will not cool below 60F register temps
You are undercharged.
Charge 100% of the R12 charge.
The poor vacuum does not help. Not so much moisture, but remaining non-condensable gasses will raise head pressure.
If a 100% charge still leaves the evaporator warm in one place, you may have a defective evaporator.
Charge 100% of the R12 charge.
The poor vacuum does not help. Not so much moisture, but remaining non-condensable gasses will raise head pressure.
If a 100% charge still leaves the evaporator warm in one place, you may have a defective evaporator.
- Sun Aug 16, 2020 8:51 am
- Forum: Automotive Air Conditioning Forum
- Topic: 1970 Oldsmobile AC Woes
- Replies: 6
- Views: 1798
Re: 1970 Oldsmobile AC Woes
90 psi on the low side port sounds like a stuck (or badly misadjusted) POA valve.
Here is a video of testing the POA:
https://www.youtube.com/watch?time_continue=68&v=PhWW7hD9-Yw&feature=emb_logo
Here is a video of testing the POA:
https://www.youtube.com/watch?time_continue=68&v=PhWW7hD9-Yw&feature=emb_logo
- Sat Aug 15, 2020 9:12 am
- Forum: Automotive Air Conditioning Forum
- Topic: Discharge pipe burst - add how much oil?
- Replies: 6
- Views: 1118
Re: Discharge pipe burst - add how much oil?
Do it right, do it once.
Or do it over & over.
When the compressor fails, the shards will block a few passages in the condenser. Then the performance with the new compressor will be poor...
Or do it over & over.
When the compressor fails, the shards will block a few passages in the condenser. Then the performance with the new compressor will be poor...