MsChrissi Posted August 2, 2017 Report Share Posted August 2, 2017 Need to know where to hook up what to turn on the compressor to add refrigerant, ie, the low side switch or other magical connection. Link to comment Share on other sites More sharing options...
Darryl&Rita Posted August 2, 2017 Report Share Posted August 2, 2017 Likely have 12 volt constantly supplied to the fan clutch. Ground the other terminal. Viola. I have been wrong before, I'll probably be wrong again. 2000 Kenworth T 2000 w/N-14 and 10 speed Gen1 Autoshift, deck built by Star Fabrication 2006 smart fourtwo cdi cabriolet 2007 32.5' Fleetwood QuantumPlease e-mail us here. Link to comment Share on other sites More sharing options...
MsChrissi Posted August 2, 2017 Author Report Share Posted August 2, 2017 Know any neat tricks for getting to that wire without cutting into the wires? Okay, sorted it with bits of wire and jumpers Link to comment Share on other sites More sharing options...
MsChrissi Posted August 3, 2017 Author Report Share Posted August 3, 2017 Any idea where the expansion valve is located, please don't tell me it is on the firewall under the air cleaner. Link to comment Share on other sites More sharing options...
Darryl&Rita Posted August 3, 2017 Report Share Posted August 3, 2017 No idea, specific to Volvo, but it's always on the inlet side if the Evap. Most automotive units are 90* shaped, with a capillary pig-tail coming off the "run" side of the T. If it's under the air cleaner, I didn't tell you. I have been wrong before, I'll probably be wrong again. 2000 Kenworth T 2000 w/N-14 and 10 speed Gen1 Autoshift, deck built by Star Fabrication 2006 smart fourtwo cdi cabriolet 2007 32.5' Fleetwood QuantumPlease e-mail us here. Link to comment Share on other sites More sharing options...
Nigel Posted August 3, 2017 Report Share Posted August 3, 2017 2 hours ago, MsChrissi said: Any idea where the expansion valve is located, please don't tell me it is on the firewall under the air cleaner. I think it is worse than that. Mines in the shop for AC work now. I am told you can see it from outside but it is accessed from inside. Sounds like you may have to open the heater box. Guess I will find out for sure when I get the bill. Nigel 2006 Volvo VNL 430, 2006 smart cabrio cdi, 2000 Triple E Topaz 30' Link to comment Share on other sites More sharing options...
MsChrissi Posted August 3, 2017 Author Report Share Posted August 3, 2017 Thanks Nigel, we do all of our own work so the pain will be mine. We evacuated and charged the system the high side is hot as hell, the cold side is warm, to me this would indicate there is no gas passing the expansion valve where the transition from high pressure liquid to low pressure gas should happen causing a sever thermal drop...is not happening. Link to comment Share on other sites More sharing options...
HERO Maker Posted August 4, 2017 Report Share Posted August 4, 2017 Mine was under the air cleaner, and why it took so long to replace it. I don't remember what your truck is. Rocky & Sheri Rhoades '01 Volvo 770 2016 DRV Mobile Suites, HoustonHERO Makers Ministry Link to comment Share on other sites More sharing options...
Nigel Posted August 4, 2017 Report Share Posted August 4, 2017 I talked to the mechanic doing mine today. Yes it is accessible from the outside behind the air filter contrary to what the first guy that was tasked with the job said. However mine is apart from the inside to replace the evaporator. Nigel 2006 Volvo VNL 430, 2006 smart cabrio cdi, 2000 Triple E Topaz 30' Link to comment Share on other sites More sharing options...
MsChrissi Posted August 6, 2017 Author Report Share Posted August 6, 2017 Thanks, all done with that part, new compressor tomorrow, will the joy never end? Link to comment Share on other sites More sharing options...
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