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Where do i connect the refrigerant hose once connected to can of refrigerant

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  • Mercury Master
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Don't do it, you risk SERIOUS personal injury. A/C requires special training and tools. VERY easy to get permanently injured.
The other side of the hose goes to the low pressure side of your A/C. You need a MEASURED amount of refrigerant, and oil. Too much or too little and you can destroy your compressor.
If you are low on refrigerant, you will have a leak and that needs to be resolved, the receiver/dryer replaced, and it's oil measured and replaced...
Take the unit to a qualified shop.

Posted on May 26, 2011

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Where's the low pressure a/c line on 2005 chevy impala. And do I have car & A/C running while installing refrigerant?


The low pressure hose connection is the only connection that will connect to the refrigerant hose connector. You will need the car running with the ac on max. The compressor will stop turning on and off when it's almost full. Try not to go over 35psi on the gauge.

I believe it's near the firewall on the passenger side. It has a black cap.

Good luck.

Jul 01, 2015 | Cars & Trucks

1 Answer

Can I replace the AC hose assembly on my 99 Quest without too much machanical exp.?


If you can see and get to both ends of the hose you can replace it. It probably isn't cheap. If it is damaged and has leaked the refrigerant, there shouldn't be any pressure in the system. If not, you have to have the refrigerant reclaimed. It is against the law to allow the refrigerant escape into the atmosphere. If the refrigerant is gone, when you take the hose loose use two wrenches if there is that kind if connection. Hold the one and turn the hose nut or the other way. One side will have a nut on it. Some hose assemblies that connect to the compressor are made in one piece. The mount to the compressor via a plate or manifold and bolts. In this arrangement the hoses at the compressor end are made with tubing on the end that is welded to the plate or manifold. Look for that depending on which hose is bad. After the hose connections are apart plug or cover the "good" part to keep dirt out. Install the new hose, using a lubricant on the O ring seal. DON'T USE MOTOR OIL. You can use mineral oil. only a slight amount on the O ring with your finger tip. You don't want to contaminate the system with petroleum oil. Use new rings that come with the hose. After you have it back together, you will have to have it charged. Most manufacturers recommend that you have the system flushed first. This get old oil and dirt out. There is special oil in the system that lubricates the compressor. Then they will charge the system by pumping a vacuum on the system to remove all the air and moisture. If you had it flushed it will need to have the oil replaced, and then the refrigerant. As you can probably see, the hose is probably the cheapest part. Check with several places that do this kind of work before you decide. Nothing with AC is cheap.

Good luck. Thanks for using FixYa.
Gaker

May 16, 2011 | Nissan Minivan Cars & Trucks

1 Answer

Need to replace heater core for Ford Taurus 2000


Heater and Evaporator Core Housing Removal & Installation To Remove:
  1. Recover the refrigerant.
  2. Remove the instrument panel.
  3. Remove the right side cowl vent screen.
  4. Remove the screws and the water shield.
  5. Disconnect the vacuum supply hose.
  6. Clamp off and disconnect the heater hoses at the firewall.
  7. Disconnect the evaporator outlet spring lock coupling. Discard the O-rings.
  8. Remove the two condenser-to-evaporator line bracket bolts.
  9. Disconnect the evaporator inlet spring lock coupling. Discard the O-rings.
  10. Remove the three nuts at the dash panel.
  11. Remove the screws and the heater outlet floor duct.
  12. Remove the evaporator core housing bolt and nut.
  13. Remove the heater and evaporator core housing.
Heater and evaporator core housing removal/installation ford-10-00-404.gif

To Install:
  1. Install the heater and evaporator core housing in the vehicle. Secure the mounting nut and bolt.
  2. Install the heater outlet floor duct. Secure with the mounting screws.
  3. Install the three mounting nuts to the dash panel. Tighten to 53 in-lb (6 Nm).
  4. Install new refrigerant system O-ring seals lubricated in clean mineral oil. Connect the evaporator lines.
  5. Install the two condenser-to-evaporator line bracket bolts. Tighten to 80 in-lb (9 Nm).
  6. Connect the hoses to the heater core connections. Lubricate the coolant hoses with plain water only, if needed.
  7. Connect the vacuum supply hose.
  8. Install the screws and the water shield.
  9. Install the right side cowl vent screen.
  10. Install the instrument panel.
  11. Lubricate the refrigerant system with the correct amount of clean PAG oil.
  12. Evacuate, leak test and charge the A/C system.
  13. Add coolant as needed.
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Jan 08, 2011 | 2000 Ford Taurus

1 Answer

How to install a 1999 yukon ac compressor


Hi.

Follow below...

jshreader_20.jpg

REMOVAL PROCEDURE

CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the negative battery cable.
2. Recover the refrigerant.
3. Remove the drive belt.
4. Disconnect the refrigerant hose assembly from the compressor.
5. Cap or plug all of the open connections.
6. Disconnect the electrical connectors, as necessary.
7. Remove the bolts.
8. Remove the compressor from the bracket.
9. Drain the compressor oil.
10. Measure the compressor oil. Refer to Adding Oil .

INSTALLATION PROCEDURE

1. Fill the compressor with oil. Refer to Adding Oil .
2. Install the compressor to the bracket.

NOTE : Refer to Fastener Notice in Cautions and Notices.

3. Install the compressor mounting bolts.

Tighten
Tighten the bolts to 50 N.m (37 lb ft) .

4. Connect the electrical connectors, as necessary.
5. Install the refrigerant hose assembly to the compressor.
6. Install the drive belt.
7. Connect the negative battery cable.
8. Charge the system. Refer to Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures .
9. Inspect the system for leaks.

I hope this helps.

Thanks...

Dec 03, 2010 | 1999 GMC Yukon

1 Answer

Need to change ac compressor need to know best way to remove


Check this two procedure for...

2.2L (VIN 4) Engine
  1. Properly discharge the air conditioning system into a recovery/recycling machine.
  2. Remove the drive belt on the vehicle.
  3. Remove the air cleaner and resonator assembly.
  4. Unplug the electrical connections from the compressor.
  5. Disconnect the negative battery cable.
  6. Unfasten, then remove and cap the A/C hose from the compressor.
Cap the refrigerant lines when opening the system to prevent the entry of dirt and moisture and the loss of refrigerant lubricant.
  1. Loosen the A/C compressor bolts, then raise and support the vehicle.
236a413.jpg

Fig. 3: Compressor mounting on the 2.2L (VIN 4) engine
  1. Remove the compressor.
To install:
  1. Position the compressor on the vehicle.
  2. Lower the vehicle.
  3. Install the compressor bolts, then tighten the front bolts to 37 ft. lbs. (50 Nm) and the rear bolts to 22 ft. lbs. (30 Nm).
  4. Attach the compressor hose using NEW sealing washers. Tighten the mounting bolts to 24 ft. lbs. (33 Nm).
Lubricate O-rings with refrigerant oil.
  1. Engage the electrical connections to the compressor.
  2. Install the air cleaner and resonator assembly.
  3. Install the serpentine drive belt.
  4. Connect negative battery cable.
  5. Evacuate and charge the system.
  6. Perform a leak test on the system.

3.1L (VIN M) Engine
  1. Properly discharge the air conditioning system into a recovery/recycling machine.
  2. Disconnect the negative battery cable.
  3. Remove the serpentine drive belt.
  4. Remove the front compressor bolts.
  5. Raise and safely support the vehicle.
  6. Remove the rear compressor bolts.
5121365.jpg

Fig. 4: Compressor mounting on the 3.1L (VIN M) engine
  1. Unplug and cap the coupled hose assembly from the rear of the compressor.
Cap the refrigerant lines when opening the system to prevent the entry of dirt and moisture and the loss of refrigerant lubricant.
  1. Disconnect the electrical connection at the compressor.
  2. Remove the compressor from the vehicle.
To install:
  1. Install the compressor on the vehicle, engage the electrical connection to the compressor.
  2. Install the coupled hose assembly to the rear of the compressor, with NEW sealing washers. Tighten the mounting bolt to 24 ft. lbs. (33 Nm).
  3. Install the rear compressor bolts. Tighten the rear bolts to 8 ft. lbs. (25 Nm).
  4. Lower the vehicle.
  5. Install the front compressor bolts. Tighten them to 37 ft. lbs. (50 Nm).
  6. Install the serpentine drive belt on the vehicle.
  7. Connect the negative battery cable.
  8. Evacuate and charge the system.
  9. Perform a leak test.
Hope this help (remember rated this).

Jul 09, 2010 | 1994 Oldsmobile Cutlass Ciera

1 Answer

I am putting refrigerant in my 05 freestar van. which port do i put it in?


The low side port. If you have the proper quick connect charging hose, it will only fit the low side fitting. The high side fitting is larger & wont fit the quick connect fitting on the hose.

Jun 16, 2010 | 2005 Ford Freestar

1 Answer

Looking for a diagram for the high & low side ac fill hoses


look in engine compartment Against firewall follow two alumninun tubes comming form canister ONLY one with connect to the Refrigerant can connector Connection Not to worry, majority of kit quick connector will only connecto low side quick connect

One can only... do not over fill ... run engine with compressor running A MUST your compressor nees to run as you add refrigerant

Jun 11, 2010 | 1993 Plymouth Voyager

2 Answers

Where is the thermastat located on the 2001 pt cruiser


Here are the instructions from chiltons.

Removal & Installation
  1. Disconnect negative battery cable.
  2. Drain cooling system below thermostat housing level.
  3. Remove thermostat.
  4. Disconnect engine coolant temperature sensor.
  5. Disconnect heater supply hose.
  6. Turbocharger equipped vehicles:
    • Recover the refrigerant from the refrigerant system.
    • Disconnect A/C suction line from A/C compressor.
  7. Remove housing attaching bolts.
  8. Remove housing and gasket.
To install:



  1. Clean all gasket sealing surfaces.
  2. Install gasket and housing. Tighten bolts to 20 ft. lbs. (28 Nm).
  3. Turbocharger equipped vehicles:
    • Connect A/C suction line to A/C compressor.
    • Evacuate the refrigerant system.
    • Charge the refrigerant system.
  4. Connect heater supply hose.
  5. Connect engine coolant temperature sensor.
  6. Install thermostat.
  7. Fill cooling system.
  8. Connect negative battery cable.
Please do not hesitate to ask further questions about your vehicle.
please do not forget to rate and comment about your experience with fixya.

Dec 27, 2009 | 2001 Chrysler PT Cruiser

1 Answer

Their are 2 hoses connected to my heater core i need them off


There is an internal spring that holds the connection together. Most if not all auto parts stores have a set of plastic spring release kits that are fairly inexpensive. Just select the correct size, install it on the tubing and push firmly while gently pulling connection apart. CAUTION.....that line may have refrigerant that is under pressure!!!!!!!!!! If your airconditioner is blowing cold air, take your car to a shop to have the refrigerant removed first! When you separate the connection, you will see one or two GREEN o rings. Remove them and take them to an auto parts store and buy new ones or the connection will leak when you reinstall. To reinstall the connection, just push the hose into the connection!

Mar 20, 2009 | 1988 Ford Thunderbird

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