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 Low Side Charge Port on Ford Focus
Question: Where's the low side charge port hiding on the Ford Focus?This is a very popular question. The high side port is easy to find since it's right out front, near the hood latch. The...
- How Refrigerant Flows Through the System
The following explanations
that describe the flow of refrigerant were taken from the bulletin
board. They were all good, and each describe the flow accurately with
different emphasis. The original ...
- Orifice Tube Location on Chevy Pickup
Question: Is the orifice tube on a 91' Chevy Pickup truck located in the evaporator, or the condenser?All Chevy C/K series trucks built after October, 1989 should have orifice tubes located in the con...
- What are the Benifits of Leak Testing with Nitrogen?
We fond the answer to that question in an article which first appeared in
the May/August 2001 edition of Cool Profit$
Magazine. This article was written by John Noble, and has been reprinted
her...
- Automotive Refrigerant Leak Sealers FAQ
This article courtesy Cool Profits Magazine
This is an updated version of an article which first appeared in Cool
Profits Magazine. It has been reprinted here with permission fro...
- What Does it Mean to Flush the A/C System?
Flushing must be performed when the system is contaminated or you suspect there is debris in the system from compressor failure.
When a/c compressors fail, bad things can happen. The typical a/c com...
- A/C Flush FAQ
Question:
When should the system be flushed?
Answer:
We believe if the a/c system is opened for service, it's a good time to
flush. A clean system minimizes the chance ...
- A Word about Safety
Automotive air conditioning service should only be performed by trained personnel. Service technicians should always have the proper equipment and prior instruction to perform the...
- Air Powered A/C Vacuum Pumps
Question: Can I use an air powered vacuum pump instead of the more expensive electric vacuum pump? What's the difference.
The simple answer is yes, provided you have an air-compressor with enou...
- Can You Explain the Purpose of a Receiver-Drier?
The receiver-drier is found on
systems that use a thermal expansion valve. This type of metering valve
requires liquid refrigerant. Therefore, to ensure that the expansion
valve gets plenty of liqu...
- What's the Function of the Evaporator?
The evaporator provides several
functions. Its primary duty is to remove heat from the inside of your
vehicle. A secondary benefit is dehumidification. As warmer air travels
through the aluminu...
- Differences between R12 and R134a
One of the differences between R-134a and R-12 is the boiling points. Pure R-12 will boil at -22 degrees Fahrenheit while R-134a boils at -16 degrees Fahrenheit. If we hooked up a gauge to a bottle of...
- Use the Correct Switch Port O-Ring
Here's a simple tip for anyone who's ever installed an accumulator.Under that cycling clutch switch sits a little O-ring. You figure the O-ring that comes with that new accumulator must be...
- 1989-93 Dodge Caravan - Improved Retrofit Performance
If you have a 1989-1993 Dodge Caravan with performance issues after rerofit, the link below may help. The article explains how to adjust one of the compressor control valves...
- Arkema Raises Price of Forane® R134a Refrigerant
From HTSN - Heat Transfer Service Network
On the web at: http://www.gohtsn.com
Refrigerant
Arkema Raises Price of Forane® R134a Refrigerant
By goHTSN Staff
Jan...
- No Power to Compressor on 1997 and Later Escort and Tracer
For reasons yet unknown, we've been seeing 1997 and later Ford Escorts and Mercury Tracers coming in with electrically dead A/C compressors. You check the system and it's always the same: the re...
- Decreased Cooling Could Mean A Faulty Refrigerant Control Valve
Decreased Cooling In GM And VW Cars And Trucks Could Mean AFaulty Refrigerant Control Valve, Not A Failed Compressor.Your customer comes in complaining that their cars A/C loses cooling at idle or tha...
- Should I Retrofit to R134a?
Question: I have a 91 Chrysler New Yorker which I will keep for 1 more year. My ac is blowinghot air, and I was told I had to be changed over to use the new freon, and my undestandingchanging o...
- Low Side Charge Port on 1996 Jeep Grand Cherokee
Question: Where is the low side charge port on a 1996 JeepGrand Cherokee? Sure can't find the one on my vehicle!
Answer: There is a small aluminum line that runs along the passenger side of t...
- Pressure Chart Question - Readings with Compressor On or Off
Question: I am chargeing my 1992 ford auto air conditioning. Looking at the pressure chart it has ambient temp, low side p.s.i and high side p.s.i. Is high side reading set with the ...
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