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What refrigerant does it take - 2001 Chevrolet Venture

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Hi!!

Since 1994 all motor vehicles A/C unit use R134a Refrigerant.


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Posted on Jul 13, 2010

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Freon R134 gas

Only get a professional to refill it, they will check the lines out and flush if necessary.

Posted on Jul 13, 2010

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Posted on Jan 02, 2017

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What refrigerant should be used for a 2004 Mazda Tribute


You want to read this slowly... and all the way through...

Most likely R134a...

but there is a reason the vehicles are REQUIRED to post the refrigerant under the hood...

Because mixing REFRIGERANTS can be a very costly mistake.

Look for the refrigerant type under the hood...!!

It might be different.

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Were is expansion valve in a 2002 Chevy trailblazer in the truck


Are your asking about TXV valve thermal expansion valve for A/C system ? If you are ,yours doesn't have one . Has an orifice tube , The orifice tube is located in the liquid line between the condenser and the evaporator !
The orifice tube is the dividing point for the high and the low pressure sides of the A/C system. As the refrigerant passes through the orifice tube, the pressure on the refrigerant is lowered. Due to the pressure differential on the liquid refrigerant, the refrigerant will begin to vaporize at the orifice tube. The orifice tube also meters the amount of liquid refrigerant that can flow into the evaporator.
Unless you are referring to the auxiliary A/C system for the back of the vehicle , it uses a
The rear TXV is located at the rear evaporator inlet. The TXV is the dividing point for the high and the low pressure sides of the rear A/C system. As the refrigerant passes through the TXV, the pressure on the refrigerant is lowered. Due to the pressure differential on the liquid refrigerant, the refrigerant will begin to boil at the expansion device. The TXV also meters the amount of liquid refrigerant that can flow into the evaporator.

May 23, 2015 | 2002 Chevrolet TrailBlazer

1 Answer

No power to ac compressor


If there is no refrigerant in the system, the safety switch will not provide power to the compressor clutch. CHECK YOUR REFRIGERANT LEVEL, repair any leaks, evacuate and recharge the system, making sure to use proper refrigerant and refrigerant oil.

May 07, 2015 | 2001 Mitsubishi Eclipse

1 Answer

How much freon do i put in


should A/C professional address this issue, it's not for your do it yourself project or repair. if u are having to add refrigerant to your car's A/C system, trying to find a leak can be very difficult. Every car has a specific amount of refrigerant, so you can get the most out of your cooling system. Example 26.48 oz. is the exact amount of refrigerant for 1990 geo storm. If you randomly add 1 16oz can of refrigerant, thinking this will make cooling system super cold! Wrong adding too much refrigerant works the same as your original problem System low or empty of refrigerant. This is best done by the PROS.
Hope my answer works for you,

Jun 25, 2012 | 1993 Geo Storm

2 Answers

Where do you add refrigerent


Refrigerant is part of the A/C system. You should have special guages to add it to the system to prevent overcharging. There are do it yourself cans available at many stores but it is highly recommended that it be done professionally. If your system needs refrigerant added to it then there is a leak somewhere in the system.

Oct 23, 2011 | 1996 Chevrolet Caprice Classic

1 Answer

Ac inop no power to clutch. checked fuses all ok.


Barring any wiring problems, the most likely cause is that it's low on refrigerant. When the refrigerant is low the high pressure switch stops the clutch from engaging. Since the car is a 1990 it requires R12 refrigerant (which is not used anymore). You will need to install a conversion kit for R134a refrigerant (the kit costs about $10 at Autozone) Have the system vacuum checked and charged with the proper amount of R134a refrigerant and oil. Hope this helps.

Sep 08, 2011 | 1990 Lincoln Town Car

1 Answer

A.c in my 1999 alero is blowing hot air i think it need to be recharged?


FIRST CHECK USING AC GAUGE SET TO SEE IF YOU STILL HAVE REFRIGERANT IN THE SYSTEM. BECAUSE YOUR AC COMPRESSOR FUSE OR RELAY IS BAD ALSO AC HEATER CONTROL SWITCH FAULTY.YOU DONT WANT TO ADD TOO MUCH REFRIGERANT IN THE SYSTEM. WHEN YOU CHECK AC REFRIGERANT THE LOW SIDE PRESSURE SHOULD BE 32 - 40 AND HIGH SIDE PRESSURE SHOULD BE 150 - 228 PSI. WORK SAFELY WEAR SAFETY GOGGLE WHEN WORKING ON ANY KIND AC REFRIGERANT SYSTEM. REFRIGERANT CAN CAUSE BLINDNESS IF GET IN EYES. DONT INHALE R 134A REFRIGERANT CAN CAUSE UNCONSIOUS AND DEATH WORK IN WELL AIR VENTILLATION AREA.

May 11, 2011 | 1999 Oldsmobile Alero

1 Answer

The low refrigerant light comes on and a/c doesn't work. The heaters and defrosters work fine however.


If the refrigerant is low /the coolant is low then AC will not work. But the heater will work.In this case the refrigerant needs to be refilled from car ac service center.Its not advisable to fill the refrigerant manually.So getting it done by a professional is very much advisable. But refilling the refrigerant should solve the problem.If there is no refrigerant leak.At the ac service center,they will confirm this before refilling refrigerant. ---------- Keep updated for any more queries.Thanks.

Oct 21, 2010 | 2000 Cadillac Eldorado

1 Answer

How do i remove the ac condenser on a mazda 3


B3E071161450W02
1. Disconnect the negative battery cable.
2. Discharge the refrigerant. (See REFRIGERANT CHARGING.)
3. Remove the splash shield.
4. Remove the A/C drive belt. (See DRIVE BELT REPLACEMENT [LF].)
5. Detach the two wiring harness clamps.
6. Disconnect the magnetic clutch connector.
7. Remove the A/C compressor protector.
8. Disconnect the cooler hose (LO) and cooler hose (HI). Do not allow remaining compressor oil in the refrigerant line to spill. (See Refrigerant Line Removal Note.) (See Refrigerant Line Installation Note.)
Caution • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts. 9. Remove the compressor protector.
10. Remove in the order indicated in the table. Do not allow remaining compressor oil in the A/C compressor to spill.
Caution • If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise or other malfunction could occur. Always plug open fittings immediately after removing any refrigeration cycle parts.
b3e0711w427.png

11. Install in the reverse order of removal.
12. Perform the refrigerant system performance test. (See REFRIGERANT SYSTEM PERFORMANCE TEST.)
A/C Compressor Installation Note 1. When replacing the A/C compressor, remove the following amount of compressor oil from the new A/C compressor.
Amount drained (approx. quantity) • 155 ml {155 cc, 5.24 fl oz} - [compressor oil from old A/C compressor + 15 ml {15 cc, 0.5 fl oz}]

Aug 10, 2010 | 2007 Mazda 3

2 Answers

''does a new radiator need refrigerant added to it''


You need to replace the condensor, then take it to a shop to have the a/c system evacuated and recharged to purge moisture because the system was opened. That will cost around $150. You do not need to replace the receiver/dryer/suction accumulator even though they will tell you that you do.
go to car-part.com to find prices of condensor from salvage yards. Page with asterisk on it is the lowest priced part.

--------------------------------------
The Refrigerant Cycle
During stabilized conditions (air conditioning system shutdown), the refrigerant is in a vaporized state and pressures are equal throughout the system. When the A/C compressor (19703) is in operation it increases pressure on the refrigerant vapor, raising its temperature. The high-pressure and high-temperature vapor is then released into the top of the A/C condenser core (19712).
The A/C condenser core, being close to ambient temperature, causes the refrigerant vapor to condense into a liquid when heat is removed from the refrigerant by ambient air passing over the fins and tubing. The now liquid refrigerant, still at high pressure, exits from the bottom of the A/C condenser core and enters the inlet side of the A/C evaporator core orifice (19D990).
The A/C evaporator core orifice is the restriction in the refrigerant system that creates the high pressure buildup in the A/C evaporator core (19860) and separates the high and low pressure sides of the A/C system. As the liquid refrigerant leaves this restriction, its pressure and boiling point are reduced.
The liquid refrigerant is now at its lowest pressure and temperature. As it passes through the A/C evaporator core, it absorbs heat from the passenger compartment airflow passing over the plate/fin sections of the A/C evaporator core. This addition of heat causes the refrigerant to boil (convert to gas). The now cooler passenger compartment air can no longer support the same humidity level of the warmer air and this excess moisture condenses on the exterior of the evaporator coils and fins and drains outside the vehicle.
The suction accumulator/drier (19C836) is designed to remove moisture from the refrigerant and to prevent any liquid refrigerant that may not have been vaporized in the A/C evaporator core from reaching the A/C compressor. The A/C compressor is designed to pump refrigerant vapor only, as liquid refrigerant will not compress and can damage the A/C compressor.
The refrigerant cycle is now repeated with the A/C compressor again increasing the pressure and temperature of the refrigerant.
The A/C cycling switch (19E561) interrupts compressor operation before the external temperature of the A/C evaporator core gets low enough to cause the condensed water vapor (excess humidity) to turn to ice. It does this by monitoring low side line pressure. It is known that a refrigerant pressure of approximately 210 kPa (30 psi) will yield an operating temperature of 0°C (32°F). The A/C cycling switch controls system operation in an effort to maintain this temperature.
The high side line pressure is also monitored so that A/C compressor operation can be interrupted if system pressure becomes too high.
The A/C compressor pressure relief valve (19D644) will open and vent refrigerant to relieve unusually high system pressure.
Clutch Cycling Orifice Tube Type Refrigerant System 75cc8eb.gif
Item Part Number Description 1 19E762 A/C charge valve port (low side) 2 19E561 A/C cycling switch 3 19C836 Suction accumulator/drier 4 19703 A/C compressor 5 19D644 A/C compressor pressure relief valve 6 19D594 A/C pressure cut-off switch 7 19E762 A/C charge valve port (high side) 8 19712 A/C condenser core 9 19D990 A/C evaporator core orifice 10 19860 A/C evaporator core 11 — Low pressure vapor 12 — High pressure vapor 13 — Low pressure liquid 14 — High pressure liquid

  1. Connect the R-134a A/C Refrigerant Center to the low- and high-pressure service gauge port valves.
  2. Evacuate the system until the low-pressure gauge reads at least 99.4 kPa (29.5 in-Hg) (vacuum) and as close as 101.1 kPa (30 in-Hg) as possible. Continue to operate the vacuum pump for a minimum of 45 minutes.
  3. Turn off the evacuation pump. Observe the low-pressure gauge for five minutes to make sure that the system vacuum is held. If vacuum is not held for five minutes, leak-test the system, service the leaks, and evacuate the system again.
  4. Correctly oil match the system to verify that the correct amount of refrigerant oil is present in the system. For additional information, refer to Refrigerant Oil Adding in this section.
  5. Charge the system with the specified weight of refrigerant and refrigerant oil.
  6. When no more refrigerant is being drawn into the system, start the engine and select MAX A/C operation. Set the blower motor speed to maximum and allow the remaining refrigerant to be drawn into the system. Continue to add refrigerant into the system until the specified weight of R-134a has been added. Close the charging cylinder valve and allow the system to pull any remaining refrigerant from the hose. When the suction pressure drops to approximately 207 kPa (30 psi), close the charging hose valve.

May 14, 2009 | 1995 Nissan Maxima

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