http://www.aircondition.com/tech en-us http://www.aircondition.com/tech N/A actech@aircondition.com Sat, 21 Nov 2009 03:27:41 CST 20 http://www.aircondition.com/tech/questions/3/Location-and-Replacement-of-Cabin-Air-Filters Question:  We have reduced airflow in some blower modes in our 2001 Saturn LS.  We have been told this is the result of a clogged cabin air filter.  I have looked everywhere u... Chris Bede Wed, 30 Sep 2009 14:51:23 CDT http://www.aircondition.com/tech/questions/37/Use-the-Correct-Switch-Port-O-Ring  Here's a simple tip for anyone who's ever installed an accumulator.Under that cycling clutch switch sits a little O-ring.  You figure the O-ring that comes with that new accumulator must be... Chris Bede Wed, 06 Dec 2006 23:24:34 CST http://www.aircondition.com/tech/questions/33/Will-I-Gain-by-Wrapping-my-Lines-and-Hoses-in-Foam%3F Many people think that you can improve performance by insulating cold refrigerant lines from engine heat. Some design engineers may even use insulation for this purpose.Hose insulation is primarily ... Chris Bede Thu, 23 Jul 2009 23:42:31 CDT http://www.aircondition.com/tech/questions/69/What-Oil-to-use-on-O-rings%3F When replacing A/C system O-rings, it's always recommended to lubricate all O-rings with clean 525 viscosity mineral oil.  Oil on the O-ring surface helps protect the O-ring d... Chris Bede Wed, 27 May 2009 10:50:27 CDT http://www.aircondition.com/tech/questions/70/Aftermarket-Evaporators Pay close attention when selecting and replacing evaporator cores. Sadly, many of the after market evaporators we see do not provide the same fit as their OEM counterparts. In some instances we esti... Chris Bede Tue, 24 Mar 2009 00:00:00 CDT http://www.aircondition.com/tech/questions/49/Which-Oil-to-Use-with-R-134a%3F Question:  With so many oils available, which one should I use?  Is there a good universal oil? You should use the oil that matches the recommendation by the original manufacturer.  ... Chris Bede Tue, 10 Nov 2009 18:57:20 CST http://www.aircondition.com/tech/questions/84/Refrigerant-Capacites-for-Cars-and-Light-Trucks Question: Where can I find automotive refrigerant capacities listed online? Here are a few online sources I think everyone will find useful. NAPA has capacities in PDF format...... Chris Bede Wed, 28 Oct 2009 06:47:10 CDT http://www.aircondition.com/tech/questions/93/Leak-Testing-with-Nitrogen Other Methods of Leak Detection The subject of leak detection would not be complete without discussing the benefits of nitrogen testing. Below you will find excerpts from an interesting article w... Chris Bede Tue, 13 Oct 2009 18:06:38 CDT http://www.aircondition.com/tech/questions/91/Removing-Stuck-or-Damaged-Orifice-Tubes Removing an orifice tube is normally an easy task.  A nice gentle twisting pulling motion usually does the trick.  You can purchase or rent a removal tool which comes with different attachm... Chris Bede Tue, 04 Aug 2009 21:35:06 CDT