Question about 1994 Toyota Corolla

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What type of Auto Air Conditioning Refrigerant should I use on my 1994 corolla 1.6 engine. Also if I used one already and it still does not work what should i do. It blows air but just not cool air.

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R-134a should be used, but you should also put the kind that has more oil than normal so that your compressor and all gets oiled.

Posted on Jul 10, 2010

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1994 Cadillac Deville I need to find the low side ac port. When I hooked up to the one I thought it was the pressure was in the red. Compressor has shut off because of low Refrigerant


The high and low ports are two different sizes.
If you're using the cans you get at the auto parts store, they only fit the low pressure side.
When it was in the red, was the engine and air conditioning running at the time?

Aug 10, 2013 | 1994 Cadillac DeVille

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2002 Pontiac grand am air conditioner not blowing cold air


Sounds like your refrigerant is low/out. There is a product you can buy at your local wal-mart/auto store called EZ Chill Auto Air Conditioning Refrigerant. I've used this item personally in my own vehicals and it works awsome. One bottle comes with everything you need including detailed instructions and is super easy to put in. Costs anywhere from $25-35. Well worth it...hope this helps.

Jun 10, 2012 | Cars & Trucks

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How much freon does a 1993 toyota tercel hold


Print

CAUTION The refrigerant used in A/C systems is an extremely cold substance. When exposed to air, it will instantly freeze any surface it comes in contact with, including your eyes. It is imperative to use eye and skin protection when working on A/C systems.


SAFETY PRECAUTIONS

R-12 refrigerant is a chlorofluorocarbon which, when released into the atmosphere, contributes to the depletion of the ozone layer. Ozone filters out harmful radiation from the sun. Consult the laws in your area before servicing the air conditioning system. In some states it is illegal to perform repairs involving refrigerant unless the work is done by a certified technician. It is also likely that you will not be able to purchase R-12 without proof that you are properly trained and certified to work on A/C systems.


The refrigerant used in A/C systems is an extremely cold substance. When exposed to air, it will instantly freeze any surface it comes in contact with, including your eyes. Although normally non-toxic, refrigerant gas becomes highly poisonous in the presence of an open flame. One good whiff of the vapor formed by refrigerant can be fatal. Keep all forms of fire (including cigarettes) well clear of the air conditioning system. It has been established that the chemicals in R-12 (used on 1984-1993 models) contribute to the damage occurring in the upper atmosphere. 1994 models use ozone-friendly R-134a refrigerant. Under no circumstances should R-12 be allowed to enter an R-134a system, or vice versa. Never mix parts between the systems as they are not compatible. This includes O-rings and refrigerant oil. Servicing (recovery, evacuation and charging) of the A/C system, should be left to a professional certified mechanic with the proper equipment and related training.


SYSTEM INSPECTION

A lot of A/C problems can be avoided by running the air conditioner at least once a week, regardless of the season. Simply let the system run for at least 5 minutes a week (even in the winter), and you'll keep the internal parts lubricated as well as preventing the hoses from hardening.
Checking For A/C Oil Leaks
Refrigerant leaks show up only as oily areas on the various components because the compressor oil is transported around the entire system along with the refrigerant. Look for oily spots on all the hoses and lines (especially on the hose and tube connections). If there are oily deposits, the system may have a leak, and you should have it checked by a qualified mechanic.
Check the A/C Compressor Belt
The compressor drive belt should be checked frequently for tension and condition. Refer to the information in this section on "Belts''.
Keep the A/C Condenser Clear
The condenser is mounted in front of the radiator (and is often mistaken for the radiator). It serves to remove heat from the air conditioning system and to cool the refrigerant. Proper air flow through the condenser is critical to the operation of the system.
Periodically inspect the front of the condenser for bent fins or foreign material (dirt, bugs, leaves, etc.). If any cooling fins are bent, straighten them carefully with needle nose pliers. You can remove any debris with a stiff bristle brush or hose.


REFRIGERANT LEVEL CHECKS

See Figures 1 and 2
Factory installed Toyota air conditioners have a sight glass for checking the refrigerant charge. The sight glass is on top of the receiver/drier which is located in the front of the engine compartment, on the right or left side of the condenser assembly (some models are in front of the condenser/some are located on side of engine compartment).
If your car is equipped with an aftermarket air conditioner, the following system check may not apply. Contact the manufacturer of the unit for instructions on system checks.

  1. With the engine and the air conditioning system running, look for the flow of refrigerant through the sight glass. If the air conditioner is working properly, you'll be able to see a continuous flow of clear refrigerant through the sight glass, with perhaps an occasional bubble at very high temperatures.
  2. Cycle the air conditioner ON and OFF to make sure what you are seeing is refrigerant. Since the refrigerant is clear, it is possible to mistake a completely discharged system for one that is fully charged. Turn the system OFF and watch the sight glass. If there is refrigerant in the system, you'll see bubbles during the OFF cycle. If you observe no bubbles when the system is running and the air flow from the unit in the car is delivering cold air, everything is OK.
  3. If you observe bubbles in the sight glass while the system is operating, the system is low on refrigerant.
  4. Oil streaks in the sight glass are an indication of trouble. Most of the time, if you see oil in the sight glass, it will appear as series of streaks, although occasionally it may be a solid stream of oil. In either case, it means that part of the charge has been lost. This is almost always accompanied by a reduction in cold air output within the car.



0900c15280051be5.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 1: A common location for the receiver-drier unit and sight glass. It may also be located next to the front right shock tower


0900c15280051be6.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 2: Oil streaks (A), constant bubbles (B), or foam (C) are indicators that the system is low on refrigerant


GAUGE SETS

See Figure 3
Generally described, this tool is a set of two gauges, a manifold and three hoses. By connecting the proper hoses to the car's system, the gauges can be used to "see'' the air conditioning system at work. Do not use the gauge set as a means for discharging the system.


0900c15280051be7.jpg enlarge_icon.gifenlarge_tooltip.gif

Fig. Fig. 3: An example of a common manifold gauge set


DISCHARGING, EVACUATING AND CHARGING

Discharging, evacuating and charging the air conditioning system must be performed by a properly trained and certified mechanic in a facility equipped with refrigerant recovery/recycling equipment that meets SAE standards

May 07, 2012 | 1993 Toyota Tercel

1 Answer

The air conditioning in my 1994 toyota pickup all of a sudden stopped working the compressor won't kick on but the pulley turns, does that mean i need a new compressor?


The air conditioning system has a pressure switch that won't let the compressor engage if the refrigerant is too low. You seem to have some sort of leak ... if something slow then one of the
refill and lube/seal kits from the auto parts store should get you going. Get one with a gauge so you don't over charge. Obviously if a major leak then repairs are in order.

Jul 08, 2011 | 1994 Toyota Pickup

1 Answer

Basic: How do I re-charge 1989 toyota corolla air conditioning system.freon re-charger ket how to install.


Hi!!
Unfortunately, the R-12 refrigerant that your compressor used was phased out on 1994. You will need to an Automotive A/C Shop to have the system evacuated, flushed, vacuumed, retrofitted and charged with R134a refrigerant. This job requires the use of specialized equipment and according to EPA regulations must be performed by a licensed HVAC Technician.
Once your system was retrofitted, if you ever need to re-charge refrigerant. All autoparts carry easy to use, instructions included, R134a refrigerant recharge kits.
Good Luck!! A HELPFUL - 4 THUMBS - rating for this solution would be greatly appreciated. Thank you for using FixYa.

Nov 19, 2010 | Toyota Corolla Cars & Trucks

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2000 Grand Am GT: I need the firing order diagram for a 2000 pontiac...


2000 Pontiac Grand AM 3.4 liter V-6 VIN "E"

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Hope helps (remember rated this).

May 17, 2010 | 2000 Pontiac Grand Am GT

1 Answer

My 1994 Corolla AC won't turn on. When the button


Check the site glass for the AC refrigerant. If there are many big bubbles, you are low on refridgerant which could also mean there's a leak in the system

Apr 20, 2010 | 1994 Toyota Corolla

1 Answer

Where do you recharge the airconditioning unit on a 98 jeep grand cherokee 4x4 loredo? Need the location of the fill valve. I already have the recharging kit.


Jeep GrandCherokee SUVs manufactured in or before 1995 use R12 refrigerant. You must retrofit these SUVs to accept R134 refrigerant using a retrofit kit available at your local auto parts store before you can recharge the system. In some areas, a license is required to retrofit an air conditioning system. If this is the case in your area, take your Jeep to a professional to retrofit the system.

Instructions:
  1. Step 1 Take your SUV to a mechanic to recover the R12 refrigerant out of the air conditioning system. A license and special equipment are needed to do this. Because R12 refrigerant is expensive, many mechanics will do the job for free.
  2. Step 2 Locate the Low Pressure Side connector port. You will find it on the driver's side of the engine. Remove the blue or yellow cap marked L. You only need to retrofit the system if you see a screw-type connector valve. If you see a quick connect valve, the system already is R134 compatible. Wipe the connector valve off with a clean towel. This ensures that the retrofit connector properly adheres to the valve.
  3. Step 3 Place the long retrofit connector from the automotive retrofit kit onto the Low Pressure Side valve. The retrofit connector has a special adhesive on the threads that will help it adhere to the valve. Screw the connector onto the valve. Tighten the retrofit connector using an adjustable wrench. Place the cap provided in the retrofit kit onto the retrofit connector. This keeps dust out of the system.
  4. Step 4 Follow the air conditioning lines away from the compressor until you see the High Pressure Side port valve. This is located near the Low Pressure Side service port. Remove the red cap and wipe the port off with a towel.
  5. Step 5 Put the shorter adapter onto the port. Twist it using an adjustable wrench until it is securely fastened to the port. Place the red cap from the retrofit kit onto the adaptor.
  6. Step 6 Fill out the Retrofit Identification sticker provided in the retrofit kit using a permanent marker. Remove the protective backing and place it on the interior side of the hood. This lets future owners and service professionals know that the system has been retrofitted.
  7. Step 7 Recharge the air conditioning system. See the related eHow titled "How to Recharge Air Conditioning with Freon in a Jeep Grand Cherokee."
WARINING:
Never try to evacuate the system yourself. A license and special equipment is needed to evacuate the system. Attempting to do this yourself will release refrigerant into the air, which is a federal crime.

Good luck (rated this help).

Aug 10, 2009 | 1998 Jeep Grand Cherokee

1 Answer

My 2000 camry air conditioning air sometimes gets hot


There are a couple of things things that could cause this. The first thing i would check is your refrigerant level. Low refrigerant would cause your compressor to turn off. The next thing i would check is a restriction in your A/C lines. A restriction would cause a pressure difference allowing ice to build up in side your A/C lines and not allowing your refrigerant to cycle normally, and of course once the ice melted your a/c will work again.

Jun 28, 2009 | 1994 Toyota Camry

1 Answer

Factory fitted air conditioning will not cool. 1994 csi sedan


if the ac does not blow cold air 90% of the time the system is low on refrigerant.it means that you have a leak in the system. but if you want to check fuses check all of them with a test light.and make sure the light comes on on both side of the fuse.

Jan 21, 2009 | 1994 Toyota Corolla

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