Central Auto Repair

Central Auto Repair

Forced Air (Central Unit) Furnace Repair Question?


The heat does not kick on UNLESS I turn the unit off (at the thermostat) and turn it back on. I tried turning the fan from "AUTO" to the "ON" position but the air just blows out cool. Everytime I need heat, I must switch the heat to "OFF" and then back "ON" to obtain warm air. I already replaced the thermostat. Appox. 5 years old, Goodman, Model CACF036B2A.

There are so many variables and safety issues involved in gas appliances that my advice to you would be to have your system checked out by a qualified professional.
I could give you advice on repairing your system, but if you or I overlook some safety issue, you could end up with a potentially hazardous situation.
If it was a plumbing problem, you'd just end up getting wet.
If it's a gas or electric problem, you could end up hurt or killed.
Have it checked out. For your state of mind, and mine.

How to Test Your Central Air Conditioning System

It can happen to any of us. One sunny afternoon when the heat gets increasingly unbearable and you have rushed home to be in comfort of your air conditioner, you suddenly notice that your air conditioner is not working as it should. It is not adjusting the temperature of the room the way it used to. Before you take it to the contractor for inspection you can actually do a bit of testing by yourself to see if everything is alright. This will not only save you quite a few bucks but would also save you time. However, if you do find the problem to be too complicated for you to deal with you should of course call an expert air conditioner contractor to inspect your unit.

To test your central air conditioner, you must have the outside temperature above 60 degree Fahrenheit for a period of two days or 48 hours to be precise. Some manufacturers may even recommend a temperature of 65 degrees. This is because turning on the air conditioner at a temperature lower than 60 degrees might actually damage the compressor of the unit.

Next you turn the regulator of the fan to 'auto'. The thermostat level should also be adjusted at a temperature below the normal room temperature. It is recommended to set it somewhere around 76 degrees to 78 degrees Fahrenheit. This would make the fan and condensing unit to switch on immediately. However, if there is a preset time delay it would take that time to turn on.

After letting the system run for 8 to 10 minutes so that the temperature in the ductwork is balanced you need to check the temperature at the supply and return registers of the unit. If everything is fine the temperature reading at the supply register would be 14 to 20 degrees cooler than the return ducts.

If the difference in temperature is more than 20 degrees then it would indicate that air is restricted. This can be because of three reasons:
– An unclean filter – Improper ductwork – Problem with the fan as in it is not of proper size or moving too slowly.

If the temperature difference is less than 14 degrees then the possible causes for problems are:
– Loss of refrigerant – Unclean coil – A compressor not working quite up to the mark – A fan that is much larger for the unit – An improper return air system.

Central Tools 6542 7
Central Tools 6542 7" O-Ring, Seal and Scribe with Hook End"
List Price: $6.79
Sale Price: $6.52
You save: $0.27 (4%)
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Availability: Usually ships in 1 to 2 days
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Description

This tool works perfect when removing o-rings, seals and gaskets. The ends have different shapes. One is sharp and tempered and the other is hooked for removing seals. Works great and is easy to store!

Features

  • 7" long
  • Hook end is unhardened
  • Skin packed, one per card
Central Tools 6434 Sleeve Height and Counter Bore Gauge
Central Tools 6434 Sleeve Height and Counter Bore Gauge
List Price: $239.32
Sale Price: $123.99
You save: $115.33 (48%)
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Description

Quickly measures the cylinder sleeve height using pointed contact; Counter-bore depth using flat end contact; Top dead center; Piston-to-deck height; Valve protrusion; Easy readings around entire bore. This is a compact and very versatile gauge.

Features

  • Fits all diesel engines
  • Range: 1.00"
  • Graduation: .001"
  • Reading: 0-100
Central Tools 6515 6
Central Tools 6515 6" Flexible Pocket Rule - 1mm and 1/64" Increments"
Sale Price: $8.55
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Description

This is a handy pocket rule to have. It's flexible, made of top quality stainless steel, precision ground and tempered, with clearly etched graduations. Be sure to have this in your pocket!

Features

  • Pocket rulers have spring pocket clip
  • Graduations: 1/64" and 1mm
Central Tools 6494 Angle Finder with Magnetic Base
Central Tools 6494 Angle Finder with Magnetic Base
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Description

This is great for setting the front ends on trucks. It measures the angle of the frame (pitch forward or backward), with an easy to read scale. Simple to use and handy to have.

Features

  • Magnet in base holds tool in place
  • Graduated in 1/2" degree increments
1988-1996 Corvette Headlight Motor Repair Kit
1988-1996 Corvette Headlight Motor Repair Kit
Sale Price: $5.95
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Availability: Usually ships in 2-3 business days
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Description

88-96 factory headlight motors contain a drive gear that is gel packed, and it is this packing that fails and allows the motors to free wheel. The repair kit contains 3 Delrin bushings that replace the gel and allow the motors to operate properly. Easy installation - one kit needed per motor. Instructions included. Corvette Central #: 444359 Car years: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

Central Tools 3M301 0-1
Central Tools 3M301 0-1" and 0-25mm Range Digital Micrometer"
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Description

This range digital micrometer is simple to use! With the push of a button it allows you to convert into inches / metric. Simply made easier for measuring with the digital display screen.

Features

  • 0-1" and 0-25mm range
  • 0.0001 inch /0.001 mm graduations
  • Packaged in a wooden box
  • Digital readout
Dorman 54000 Washer Pump Repair Kit
Dorman 54000 Washer Pump Repair Kit
List Price: $7.29
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Description

Motormite 54000 Washer Pump Repair Kit G

Features

  • 1963-1973 Corvette Windshield Washer Pump Nozzle
Central Tools 3M113 3 Piece Outside Micrometer Set
Central Tools 3M113 3 Piece Outside Micrometer Set
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Description

This is a 3 piece set, the adjustment wrenches and spacers are included. All packaged in a plastic blow-molded case for easy storage.

Features

  • Forged steel construction
  • Hardened carbide tipped anvil and spindle
  • Spindle lever locks
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  • Accurate to .0001
1997-2004 Corvette Exhaust Pipe Flange Repair
1997-2004 Corvette Exhaust Pipe Flange Repair
Sale Price: $16.00
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Description

The cure for flanges that have broken lose or are stripped on secondary pipes. Simply cut back the pipe 3? and clamp on the new flange pipe. For best results use clamp part # 324086 Corvette Central #: 325075 Car years: 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004

Features

  • 1997-2004 Corvette Exhaust Pipe Flange Repair
ARB Speedy Seal Puncture Repair Kit
ARB Speedy Seal Puncture Repair Kit
Sale Price: $39.15
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Description

ARB Tire Repair Kit comes with a quality pencil type tire gauge with dual pressure gauge and dual chuck. It has a spring steel insertion needle and lubricant for easy tool insertion. Additional valve accessories including valve core tool, spare valves and valve caps. It also comes with a hardened steel reamer tool and 30 self vulcanizing repair cords for complete air sealing. All this is packed into a quality high visibility orage blow moulded case to keep contents protected.

Features

  • Tire Repair Kit comes with a quality pencil type tire gauge with dual pressure gauge and dual chuck.
  • It has a spring steel insertion needle and lubricant for easy tool insertion.
  • Additional valve accessories including valve core tool, spare valves and valve caps.
  • It also comes with a hardened steel reamer tool and 30 self vulcanizing repair cords for complete air sealing.
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