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Current NAPA Tech Tip:

  • 10/29/2007 - Hyundai Water Pump: NAPA Round Hub with Locator Pin Replaces Square Mounting Hub

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    Tech Tip Achive:

     
    Tech Tip Index
     

    English:  nn300.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Technical Hot Line Readiness
     

    English:  NN301.doc Microsoft Word
    Rev #: 1
    Rev Date: 10/13/1999
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    Compressor Sludge (GOO) / "Ford's Black Death"
     

    English:  NN302.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    Rapid, Multiple Compressor Clutch Failures
     

    English:  NN303.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    Thermal Fan Clutch Diagnosis
     

    English:  NN304.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    A/C System Lubrication Failures
     

    English:  NN305.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    Guide to R134a Compressor Compatibility
     

    English:  NN306.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    1986 to 1987 Cadillac: Blower Runs All the Time
     

    English:  NN307.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    1986 to 1987 Cadillac: Compressor Runs All the Time
     

    English:  NN308.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    1985 to 1993 Cadillac: Retrofitting to R134a
     

    English:  NN309.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    Air in the Heater Core
     

    English:  NN310.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    Heater Core Failures
     

    English:  NN311.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/20/1999
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    1988 to 1994 C/K Series Trucks: Flashing A/C Switch LED
     

    English:  NN312.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/20/1999
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    Relationship: Programmer and PCM/ECM/BCM
     

    English:  NN313.doc Microsoft Word
    Rev #: 1
    Rev Date: 10/01/1999
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    Chrysler: Evaporator Debris
     

    English:  NN314.doc Microsoft Word
    Rev #: 1
    Rev Date: 10/18/1999
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    Jeep: Closing the Door
     

    English:  NN315.doc Microsoft Word
    Rev #: 1
    Rev Date: 10/21/1999
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    Solving Mystery Noise on GM Compressor
     

    English:  NN316.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/01/1999
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    A/C Flushing To Avoid Retrofit Cross Contamination
     

    English:  NN317.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/08/1999
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    Acura Compressor - No Clutch Engagement
     

    English:  NN318.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/09/1999
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    GM Sealing Washers
     

    English:  NN319.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/08/1999
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    GM Mode Lockup
     

    English:  NN320.doc Microsoft Word
    Rev #: 1
    Rev Date: 04/06/2000
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    Why Inspect the TXV
     

    English:  NN321.doc Microsoft Word
    Rev #: 1
    Rev Date: 04/06/2000
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    Understanding Wiring Diagrams
     

    English:  NN322.doc Microsoft Word
    Rev #: 1
    Rev Date: 05/12/2000
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    Mr. Relay
     

    English:  NN323.doc Microsoft Word
    Rev #: 1
    Rev Date: 05/12/2000
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    Approved A/C System Flushing
     

    English:  NN324.doc Microsoft Word
    Rev #: 1
    Rev Date: 07/17/2000
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    Compressor Body Leaks
     

    English:  NN325.doc Microsoft Word
    Rev #: 1
    Rev Date: 07/24/2000
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    Charging with Cans, Guess Again?
     

    English:  NN326.doc Microsoft Word
    Rev #: 1
    Rev Date: 08/28/2000
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    Works in the Winter
     

    English:  NN327.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2000
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    Compressor Failures
     

    English:  NN328.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/21/2000
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    Insufficient Airflow from Dash
     

    English:  NN329.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/24/2000
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    No Blower in Floor Mode
     

    English:  NN330.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/24/2000
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    Heater Core Failures and Replacement
     

    English:  NN331.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/26/2000
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    Checking Those Switches
     

    English:  NN332.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/21/2000
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    GM A/C System Undercharge and Labeling Issue
     

    English:  NN333.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/15/2001
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    Basic Electrical Testing
     

    English:  NN334.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/22/2001
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    Fan Clutch Bolts for 1989 – 1991 GM Light Truck
     

    English:  NN335.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/23/2001
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    Clutch Coil Diagnosis
     

    English:  NN336.doc Microsoft Word
    Rev #: 1
    Rev Date: 02/19/2001
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    Transducer Quick Test
     

    English:  NN337.doc Microsoft Word
    Rev #: 1
    Rev Date: 02/19/2001
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    Metric Conversions
     

    English:  NN338.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/12/2001
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    Shaft Seal Lubrication
     

    English:  NN339.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/26/2001
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    Why R&R the Accumulator or Receiver-Drier
     

    English:  NN340.doc Microsoft Word
    Rev #: 1
    Rev Date: 04/26/2001
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    Jeep Clutch Coil Wiring
     

    English:  NN341.doc Microsoft Word
    Rev #: 1
    Rev Date: 05/10/2001
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    Use of OE Connector
     

    English:  NN342.doc Microsoft Word
    Rev #: 1
    Rev Date: 05/10/2001
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    Compressor Guard
     

    English:  NN343.doc Microsoft Word
    Rev #: 1
    Rev Date: 05/25/2001
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    Shaft Nut Elimination
     

    English:  NN344.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/19/2001
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    Manifold Gauges R12 to R134a
     

    English:  NN345.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/26/2001
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    Break Away Torque and the Spanner Wrench
     

    English:  NN346.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/26/2001
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    VW Jetta TXV Leak
     

    English:  NN347.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/26/2001
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    Restricted Discharge Line
     

    English:  NN348.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/27/2001
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    Suction Side Pressure Relief
     

    English:  NN349.doc Microsoft Word
    Rev #: 1
    Rev Date: 11/27/2001
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    Electrolysis
     

    English:  NN350.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/04/2001
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    Evaporator Leak Tests
     

    English:  NN351.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/04/2001
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    Why Clean-Change TXV
     

    English:  NN352.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2001
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    Cabin Air Filters
     

    English:  NN353.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/13/2001
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    Testing IRCM_CCRM
     

    English:  NN354.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/23/2002
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    Temp Testing Methods
     

    English:  NN355.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/23/2002
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    Ford’s Blend Door Actuator
     

    English:  NN356.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/23/2002
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    Fan Clutch Rotation
     

    English:  NN357.doc Microsoft Word
    Rev #: 1
    Rev Date: 01/23/2002
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    AC Amplifier-Belt Lock Controller
     

    English:  NN358.doc Microsoft Word
    Rev #: 1
    Rev Date: 02/14/2002
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    Alternative Refrigerant Warning
     

    English:  NN359.doc Microsoft Word
    Rev #: 1
    Rev Date: 02/18/2002
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    PAG Confusion
     

    English:  NN360.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/07/2002
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    Heater Hose Replacement
     

    English:  NN361.doc Microsoft Word
    Rev #: 1
    Rev Date: 03/07/2002
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    Condenser Comparison
     

    English:  NN362.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/06/2002
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    97 and Newer CCRM
     

    English:  NN363.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Cadillac Blower Motor
     

    English:  NN364.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Trinary Switches
     

    English:  NN365.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Villager No Rear Blower
     

    English:  NN366.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Chrysler Inline Fuse
     

    English:  NN367.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    GM Truck High Pressure
     

    English:  NN368.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    Humidity
     

    English:  NN369.doc Microsoft Word
    Rev #: 1
    Rev Date: 12/12/2002
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    System Sealers
     

    English:  NN370.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    Condenser Air Flow
     

    English:  NN371.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    Vacuum Terminology
     

    English:  NN372.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    Update of Tip NN309
     

    English:  NN373.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    Duragno Dakota Heater Core
     

    English:  NN374.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    Identifying Retrofit Adapters
     

    English:  NN375.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    O-Ring Color Changes
     

    English:  NN376.doc Microsoft Word
    Rev #: 1
    Rev Date: 09/15/2004
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    New Temperature Control Tech Tips Booklet - 22 Total
     

    New Tech Tips PDF

    English:  2006 NAPA Tech Tips Booklet.pdf Adobe Acrobat
    Rev Date: 09/18/2006
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