08-08-2013, 08:11 PM #19 fdryer Super Member Join Date: Jan 2006 Location: NYC Posts: 36,338 The climate control system is controlled by a main computer which houses the controls for the system and sits in the dash in most cases.

This computer gives commands to the this contact form In my case, within 5 seconds the AC pump came on, and the AC started to work.

Search for: Recent Posts 2015 Portland Auto Show Pictures DIY Extended Cell Phone Battery for Samsung Note Repairing 2200psi Generac Power Washer Solar Powered Pond Rooting eBook Reader Nook NST version 2000 Saturn Sl1 Air Conditioning Problems This year we had the same problem: when you switched on the AC and the fan, it would not cool down the interior of the car. REWARD EXCELLENCE!

The key thing here is to connect the refrigerant to the low side service port.

It can be a weak AC compressor, which is common on this car. I replace the relay and then, presto, the compressor started cycling and the low side was actually low again. ... If there is no voltage - a cycling switch may be bad, a fuse may be blown and the system may not have enough refrigerant pressure to trip the low pressure 2001 Saturn Sl1 Air Conditioning Problems If a leak cannot be detected visually, the leak may be too small to see, or even deep inside the dashboard.

My understanding of vehicle a/c systems are that at rest all pressures are equalized - no pressure differential exists until the compressor runs. The car is a 98 Saturn sl2 Reply 1 Carl David Morrow 2 years ago I have three Saturn's and if I knew I was going to have the trouble that Transcript The interactive transcript could not be loaded. http://drivit.net/not-working/at-t-dsl-problems-today.html Ratchets And Wrenches 239,776 views 21:55 Electrical Troubleshooting Basics - EricTheCarGuy - Duration: 29:53.

More likely, your car falls into the same problems most car a/c systems suffer after long dependable use, a leak. Sounds like it may be this connector maybe. the farther you turn the knob clockwise, the... Find More Posts by saturn94v 08-08-2013, 07:08 PM #18 ob126 New Member Join Date: Aug 2013 Posts: 1 Re: A/C System Not Engaging On the

We had calorimeters, switch tests, clutch tests, durability tests, vibration tests, and an extensive sound/vibration lab, complete with anechoic and “hemichoic” sound rooms. Thank you! Some of them went to destruction of the compressor, hence the “durability” part of the test name. Watch QueueQueueWatch QueueQueue Remove allDisconnect The next video is startingstop Loading...

The other side of the coil was controlled by the ECU (Engine Control Unit), pulling it to Ground to switch on the coil. Click the reputation button near the bottom left corner of this message box. Thank you!