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Where is the orifice tube on a 2000 Chevy Impala?

Where is the orifice tube on a 2000 Chevy Impala?

The orifice tube is located inside the tubing leading to the evaporator — this picture will probably help.

How do you replace the orifice tube in a car?

Replacing the orifice tube requires you to completely evacuate the AC system and disconnect the high pressure liquid line. It’s not a fun job. • Replacement orifice of the exact same color and part number as the old unit Buy or rent a refrigerant recovery machine. Attach the manifold gauge set to the high and low side ports on your car’s AC system

Why do you need an orifice for r-134?

The orifice tube allows for a higher flow of R-134 refrigerant during times when more cooling is needed, and a smaller flow of refrigerant when less cooling is needed.

What happens if you overcharge the orifice tube?

Overcharging by as little as 2-oz can dramatically reduce the performance of your car’s AC system. MORE is NOT better! Most orifice tubes fail due to contamination in the AC system due to sealer, oil degradation or mechanical deterioration.

What causes an orifice tube to fail in an AC system?

Most orifice tubes fail due to contamination in the AC system due to sealer, oil degradation or mechanical deterioration. Replacing a plugged orifice tube without solving the root problem will result in another plugged orifice tube.

Replacing the orifice tube requires you to completely evacuate the AC system and disconnect the high pressure liquid line. It’s not a fun job. • Replacement orifice of the exact same color and part number as the old unit Buy or rent a refrigerant recovery machine. Attach the manifold gauge set to the high and low side ports on your car’s AC system

Where is the orifice tube located in Ricks free auto?

Lubricate the O-rings on the new orifice tube with AC oil. Insert the new orifice tube into the evaporator or LLOT or SLOT. Reconnect the liquid line to the evaporator or condenser and follow factory specs for tightening (if required).

Where is the orifice tube located in a high pressure line?

Sometimes it is built into the liquid or high pressure line or inserted into the high pressure line right where the line connects to the condenser. When the orifice tube is built into the line, it’s referred to as a Liquid Line Orifice Tube (LLOT) or a Suction and Liquid Line with Orifice Tube (SLOT). The orifice tube may be located:

Where is the orifice tube located in a llot?

The orifice tube may be located: Before you replace an orifice tube, LLOT or SLOT, make sure you understand how an orifice tube system works and ensure you’ve done the right testing to conclude the problem is actually caused by the orifice tube.

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Ruth Doyle