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Made a video on how to change the AC Compressor, Accumulator, Orifice Tube, and Hose Assembly on my 2003 Ford Focus 2.0L SOHC SPI. Symptoms started off as blowing hot air at idle and then it just blew hot air all the time and Firestone told me it had not compression and needed the compressor replaced. I got all my parts at AutoZone for a around $230.
Save 20 On Online Ship To Home Orders Of 100 Or More Make your car aFIRESTONE
TAKE CAR TO GARAGE OR DEALERSHIP.THEY HAVE TO DISCHARGE AND RECOVER THE REFRIGERANT FROM CAR STORING IT IN STORAGE RECOVER UNIT.AGAINST THE LAW TO LET OUT REFRIGERANT IN THE ATOMOSHERE CAUSING OZONE DAMAGE.WHEN REFRIGERANT IS REMOVED THIS WILL BE THE CHEAPEST WAY.FIRST GO TO AUTO PARTS STORE BUY A PACK OF O - RINGS FOR AIRCONDITIONERS SYSTEM.THEY SHOULD BE GREEN COLOR NOT BLACK ONES.THEY ARE THE UNIVERSAL O -RINGS NOT MADE FOR AIR CONDITION SYSTEM.THE REFRIGERANT WILL DESTROY AND CAUSE LEAKS.WHEN YOU BUY O - RINGS.BUY NEW ACCUMULATOR THE OLD ONE FULL OF MOISTURE.YOU NEED TO REPLACE THE EXPANSION TUBE OR ORIFICE TUBE.IT IS LOCATED AT CONDENSOR LOWER LINE FITTING.BUY 1 BOTTLE OF R- 134 REFRIGERANT OIL. THEN BUY NEW COMPRESSOR.WHEN REMOVING OLD COMPRESSOR POUR THE OIL OUT OF IT.MEASURE HOW MUCH OIL IN COMPRESSOR.OKAY TO REMOVE AC COMPRESSOR FIRST REMOVE DRIVE BELT.THEN SAFELY RAISE SUPPORT VECHICLE ON JACK STANDS ON LEVEL SOLID GROUND REMOVE WHEEL AND SPLASH SHIELD ON PASSENGER SIDE.DISCONNECT THE ELECTRICAL CONNECTOR FROM COMPRESSOR AND REMOVE COMPRESSOR REFRIGERANT LINES.THEN REMOVE COMPRESSOR MOUNTING BOLTS 2 BOLTS AT TOP 1 OR 2 BOLTS ON BOTTOM OF COMPRESSOR.WHEN REMOVING OLD COMPRESSOR.SEE HOW MUCH OIL COMES OUT.SHOULD BE A OUNCE OR TWO.GM COMPRESSOR HOLDS 10 TO 8 OUNCES.BUT WE DONT KNOW HOW MUCH IN SYSTEM.WHEN YOU BUY NEW COMPRESSOR.MEASURE HOW MUCH SHIPPING OIL IT HAS BY POURING IT OUT.TO BE ON SAFE SIDE I WOULD POUR 2 OUNCE REFRIGERANT OIL IN COMPRESSOR. POUR 1 OUNCE OIL IN ACCUMULATOR.REPLACE ALL THE O -RINGS AT THE COMPRESSOR AND ACCUMULATOR AND THE LOWER CONDENSORS LINES WHEN REPLACING THE ORIFICE TUBE.USE NEEDLE NOSE PLIERS TO REMOVE THE ORIFICE TUBE.BESURE TO PLACE THE LONG SCREEN ON THE INSIDE.BESURE TO LUBRICATE ALL O - RINGS WITH REFRIGERANT OIL.WHEN YOU PUT EVERYTHING BACK TOGETHER.DONT OVER TIGHTEN THE REFRIGERANT LINES WHICH WILL CUT THE O - RINGS CAUSE LEAKING. TAKE CAR TO A GARAGE THAT DOES AC WORK.LET THEM PUMP DOWN THE SYSTEM AND LEAK TEST THEN CHARGE AC SYSTEM UP.THIS WILL SAVE YOU MONEY BECAUSE IF YOU BUY A VACUUM PUMP THATS ABOUT $400.00 AND MANIFOLD GAUGE SET A GOOD SET RANGE FROM $100.00 TO $300.00 DOLLARS.SEE YOUR AC COMPRESSOR $270.00 TO OVER $300.00 THAT ADDS UP.HOPE MOST THIS INFORMATION WILL HELP YOU. IF YOU HAVE ANY PROBLEMS THE HAYNES REPAIR MANUAL CAN ALSO HELP YOU IT HAS PHOTOS AND INFORMATION HOW TO REMOVE AC COMPRESSOR.
If you have not put too much oil and refrigerant in the system, then you have a restriction in front of the compressor. Most likely a plugged orifice tube, but possibly the receiver/dryer/accumulator. Both will have to be replaced and the system flushed. The orifice tube requires special tools and skills and unfortunately, it would probably be better to take this job to a professional at this point.
A/C Evaporator Core Orifice
The A/C evaporator core orifice (19D990) should be replaced whenever the A/C compressor (19703) is replaced for lack of performance (internal damage).
The A/C evaporator core orifice, located in the condenser to evaporator tube (19835), cannot be serviced in detail as a component of the line. If replacement is necessary, follow the procedure outlined for Liquid Line Removal and Installation.
An orifice tube replacement service kit may be used as an optional service procedure.
Refer to Section 12-00 for information regarding the use of an A/C Evaporator Core Orifice Replacement Kit E5VY-19D695-A.
A/C Evaporator Core Orifice Replacement Kit Installation
Discharge A/C refrigerant system. Refer to System Discharging and Recovery as outlined.
Remove condenser to evaporator tube (19835) from vehicle.
Locate A/C evaporator core orifice (19D990) by three indentations or a circular recess in metal portion of the condenser to evaporator tube.
A/C Evaporator Core Orifice Location
Note angular position of ends of condenser to evaporator tube so that it can be reassembled in correct position.
Cut a 63.5 mm (2.5 inch) section from condenser to evaporator tube at A/C evaporator core orifice location. Do not cut closer than 25.4 mm (1 inch) from start of a bend in tube.
A/C Evaporator Core Orifice Section Removed From the Liquid Line
Remove contaminants from the two pieces of the condenser to evaporator tube.
NOTE: The inlet half of the condenser to evaporator tube will be positioned against the A/C evaporator core orifice tabs when correctly assembled.
Lubricate fitting with clean refrigerant oil and assemble orifice tube kit (with A/C evaporator core orifice installed) to condenser to evaporator tube. Make sure flow direction arrow is pointing toward evaporator end of the condenser to evaporator tube, and taper of each compressor ring is toward compression nut.
Does it have crimp marks on the tube about 3 inches from the fitting?If so,that's where the orifice tube is.Most of the time,you simply disconnect the fitting,pull out the orifice tube & install a new one.Tip:if it has a lot of black junk on it,flush the system or you will end up having the same problem again very soon.Good luck, ChevRev