Search found 276 matches

by Tim
Sat Jun 15, 2019 3:22 pm
Forum: Automotive Air Conditioning Forum
Topic: 2018 Peterbilt Not Cooling
Replies: 3
Views: 31

Re: 2018 Peterbilt Not Cooling

Evap may have frozen up. Refrigerant level and cycling would be areas look into.
by Tim
Tue Jun 11, 2019 9:23 pm
Forum: Automotive Air Conditioning Forum
Topic: Evap freezing at low fan speeds
Replies: 8
Views: 423

Re: Evap freezing at low fan speeds

Is this a US vehicle? As all my listings show this to have a Sanden. Which do not have a control valve for this model compressor? I don't have a system break down on your vehicle anymore. I would think there is some sort of cycling device. Especially since it uses Expansion blocks to regulate refrig...
by Tim
Tue Jun 11, 2019 2:04 pm
Forum: Automotive Air Conditioning Forum
Topic: Evap freezing at low fan speeds
Replies: 8
Views: 423

Re: Evap freezing at low fan speeds

Maybe a thermostat issue. Is the coil freezing up? Not 100% sure on the cycling of these, electronic or pressure. The Sanden compressor on these does not have a control valve.
by Tim
Sun Jun 09, 2019 10:25 am
Forum: Automotive Air Conditioning Forum
Topic: New Members.
Replies: 0
Views: 213

New Members.

If you do not get a login code. Please email me at [email protected]. The system has a glitch and does to the amount of spam these days. The blockers do some stuff in the background I need to address for live users.
by Tim
Thu Jun 06, 2019 11:10 am
Forum: Automotive Air Conditioning Forum
Topic: New Website in Development.
Replies: 2
Views: 407

Re: New Website in Development.

Me also. The developer is so far behind on the new parts site. I don't even think about asking to fix this right now.
by Tim
Mon Jun 03, 2019 3:50 pm
Forum: Automotive Air Conditioning Forum
Topic: R12>R134a conversion: insufficient cooling
Replies: 2
Views: 194

Re: R12>R134a conversion: insufficient cooling

Hot water shut off valve may be leaking.
by Tim
Sun May 26, 2019 9:22 am
Forum: Automotive Air Conditioning Forum
Topic: Low Cooling AC
Replies: 10
Views: 726

Re: Low Cooling AC

Is this an original R134a vehicle? Charge levels is a place to start. Possible restriction but unlucky. Normal expansion valve systems will have a low of around 12/18 at high RPM.
by Tim
Sat May 25, 2019 3:08 pm
Forum: Automotive Air Conditioning Forum
Topic: Low Cooling AC
Replies: 10
Views: 726

Re: Low Cooling AC

No listing in the US for that vehicle. If an expansion valve system. Your low side pressures are high.
by Tim
Sun May 19, 2019 6:28 pm
Forum: Automotive Air Conditioning Forum
Topic: Low Cooling AC
Replies: 10
Views: 726

Re: Low Cooling AC

What year?
by Tim
Thu May 16, 2019 7:05 pm
Forum: Automotive Air Conditioning Forum
Topic: New Motorcraft compressor, clutch wouldn't turn by hand, squealed after installation
Replies: 16
Views: 760

Re: New Motorcraft compressor, clutch wouldn't turn by hand, squealed after installation

Low 60 ambient and 47-degree vent temps. You have an issue somewhere with a low of 33psi. Not sure you're even getting a proper reading at that low of an ambient.

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