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OK. In a nutshell/simple answer, the expansion valve on this vehicle is located inside of the evaporator case, which is located directly behind the glovebox against the firewall. Now... I must ask: Are you going to attempt to change this valve yourself? This is not an insurmountable repair even for the mechanically challenged, who own little or no tools. However, the entire procedure (which involves all of the things any A/C repair does [capturing any refrigerant in the system correctly and legally, replenishing the proper amount and type of oil, recharging the system correctly with the proper type and amount of refrigerant, testing the system for proper operation and ensuring a leak-free system, etc.,]), including removal of the glovebox and the blower assembly and evaporator case, can be impossible if one is not trained and properly equipped. it can also be dangerous. My next question is: Why is the valve being changed? Is it restricted or is it intermittently restricting? Do you suspect it is leaking? Keep in mind that in rare (?) cases, the liquid line and/or the liquid line extension are actually where the restriction is (usually due to a ruptured drier bag). Changing the valve due to a restriction is likely futile if you are not also flushing the system (using an approved type of flush and adhering to the proper flush procedures [including disposal]) and replacing the receiver drier, since trash is, of course, the likely culprit for the valve problem in the first place. On and ending note, you should be aware (although I am not suggesting any action for this), that anytime an A/C system has developed a blockage or leakage, the compressor has likely been starved of oil (even on most modern systems which contain a low-pressure cut-off switch). Because of this, you should know that compressor failure may occur even if you replenish any oil lost or removed. Just a thought. If you do end up replaceing the valve, be sure to clean the suction tube surface before re-attaching the capillary tube and clean the o-ring seating surfaces, as they tend to get corroded on these types of units (and, of course, use NEW o-rings, with a little oil on them). Wrap the cap tube with 'tacky-tape'. This is important, and replace the thermistor in its original location, being careful not to damage it. Good luck SDIgroup
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∙ 17y ago
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