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If you look up front and find the thin like radiator and follow the thin steel lines coming off of that
You will run into a cap the size of a loonie or if you are from the USA a little bigger than a quarter
That is where you will connect the line to for doing a recharge if you have your own equipment or have purchased a recharge kit at your local automotive store
To properly recharge the air conditioning you need a vacume pumpand gagues.. Once the system is vacumed down you will know if their is a leek that must be repaired before rechargeing. if their are no leeks you are ready to install 134 refridgerant.
It may just need recharged, go to a local repair shop and have the a/c system tested for leaks and recharged.
If you wanna do it yourself and save $$$$ go to a local parts store and get the recharge in a can... make sure it has leak sealer in it for good measure and follow instructions on can for installation. This will cost you $25 bucks and will save you from shop costs.
REMOVAL PROCEDURE -Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. -Remove the air cleaner assembly. -Remove the vacuum brake booster. -Remove the condenser tube. -Use J 26549-E in order to remove the expansion orifice tube. IMPORTANT: DO NOT use any solvents or chemicals to clean the porous plastic inlet filter of the expansion orifice tube. -Inspect the expansion orifice tube for the following conditions and clean or replace with a new tube as indicated: -Broken plastic frame (1); replace the tube. Inlet filter (3) damaged or plugged with fine gritty material; replace the tube. Inlet filter (3) coated with metal chips, flakes, or slivers; remove the coating with low pressure shop air ONLY and reuse if the filter is cleaned satisfactorily. Do NOT reuse the O-ring seals (2).
INSTALLATION PROCEDURE
IMPORTANT: Lubricate the new O-ring seals (2) with mineral base 525 viscosity refrigerant oil. If you reuse the orifice tube, install new O-ring seals (2). Carefully grasp the edge of the expansion orifice tube (1) without touching the inlet filter (3) and insert the expansion tube into the condenser tube until fully seated. -Install the condenser tube. -Install the vacuum brake booster. -Install the air cleaner assembly. -Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging. -Leak test the fittings of the component using J 39400-A.
If your just going to recharge it and nothing was replace, no need to add oil, freon will have some oil, if you replaced the a/c compr. before installing the hoses to compr. add oil into compr.
You can only purchase R134a. If your vehicle still has R12, you'll need to have a system retrofit kit installed. If it has been converted, there should be a label in the engine compartment.
U RECHARGE THE SYSTEM ON THE LOW(LARGER PORT)SIDE.IF THE CAN CAME WITH A HOSE THE HOSE WILL ONLY FIT ONTO ONE SERVICE FITTING.ONCE INSTALLED TURN THE CAN UPSIDEDOWN,OPEN IT,START THE ENGINE AND TURN ON THE A/C.DO NOT INSTALL MORE THAN 1 CAN(16 OZ).IF IT STILL DOES NOT WORK U WILL NEED TO TAKE IT TO A SHOP
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