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Date
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Revision
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| April 16, 2018 | Revised various pages due to the passing of Clark Fletcher. By DES. |
| June 14, 2013 | Additional information added to IGN-02 regarding the Speed and Reference Sensors. |
| August 11, 2012 | Reformatted Garage Shop Manual Index Page. |
| April 14, 2012 |
Provided additional information in (COOL-07), "Water Pump Information and Replacement" and (COOL-08), "Thermostat - General Information and Replacement", regarding new and old style thermostats, sealing rings, and the use of the 2.5mm support washer.
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| November 7, 2010 |
Corrected typo in (CLUTCH-02), "Clutch Slave Cylinder Replacement" procedure. In Bleeding Method 3, Step "g" should have read, "Repeat step "d"....." instead of "Repeat step "b"...."
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| May 23, 2010 |
Revised (CLUTCH-01), "Clutch Replacement" procedure. Provided some additional guidance at Step 28 of the "Removal" section to loosen all of the pressure plate bolts first before removing them to minimize the possibility of stripping the cheeseheads.
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| May 23, 2010 |
Added notes to (BODY-17), "Rear Hatch - Squeaking" procedure. The notes were developed by Russ Bullock and are intented to provide additional guidance for removing the rear hatch from the car and removing the frame and trim from the hatch glass.
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| May 23, 2010 |
Updated information in Repair Facilities pages for New Jersey and Pennsylvania .
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| May 23, 2010 |
Corrected error in (STEER-01), "Power Steering Rack Replacement" procedure. In Section 9.0, the "Installation" section had the torque for the power steering rack mounting bolts listed as 30 ft-lbs. The required torque is actually 17 ft-lbs.
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| May 23, 2010 |
Corrected error in (CLUTCH-04), "Clutch Master Cylinder Replacement" procedure. Step 13 of the "Installation" section said to "open the nipple on the clutch master cylinder". It should have read "open the nipple on the clutch slave cylinder".
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| May 16, 2010 |
Uploaded new procedure ( HVAC-03), Heater Core Removal and Replacement.
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| April 6, 2010 |
Uploaded revised procedure ( FUEL-05), DME Relay Technical Information and Testing which includes a Tech Tip provided by Ben Davis regarding an Alternative Emergency DME Relay jumper.
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| April 6, 2010 |
Uploaded revised procedure ( SUSP-01), CV Joints - General Information, Removal, Installation, and Maintenance which includes new pictures provided by Ben Davis.
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| March 14, 2010 |
Uploaded revised procedures (SUSP-09) , Rear Wheel Bearing Replacement - Steel Trailing Arms and (ENG-12) Motor Mounts - Replacing which include new pictures provided by Ben Davis.
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| March 11, 2010 |
Added new Idle Control Motor (Idle Stabilizer) Replacement procedure (FUEL-21) written by Terry and Donald Burnett.
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| March 5, 2010 |
Added new Crank Scraper Installation procedure (ENG-21) written by Terry Burnett.
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| September 7, 2005 |
Modified Alarm System Bypass procedure (ELECT-23) including addition of pictures and new wiring tables. Added Cargo Cover Repair procedure (BODY-28). Modified Instrument Panel Lights procedure (ELECT-08). Added K26 Turbo Identification procedure (ENG-19). Modified Camshaft / Balance Shaft Belt Information procedure (ENG-04). Modified Manual Transaxle Fluid Change procedure (TRANS-06). Added Suspension Information and Upgrade procedure (SUSP-15). Modified Sunroof Operation, Troubleshooting, and Repair procedure (BODY-03). Modified Sunroof Gear Replacement procedure (BODY-04).
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| July 1, 2005 |
Added Troubleshooting Guides to the Garage Shop Manual.
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| February 28, 2005 |
Added new procedure ELECT-25, Ignition Switch Replacement
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| February 19, 2005 |
Added new procedure MISC-01, Camera Bar Construction
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| February 13, 2005 |
Added new procedure STEER-03, Power Steering Rack Rebuild
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| February 3, 2005 |
Added new procedure FUEL-20, Fuel Rail Adapter - Making an Adapter for Non-Metric Thread Fuel Pressure Gauges
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| February 2, 2005 |
Added new procedure FUEL-19, Fuel Pump Suction Strainer - Removing, Cleaning, and Replacing
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| January 20, 2005 |
Added new procedure ELECT-24, Stereo - Rear Speaker Replacement
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| January 18, 2005 |
Added new procedure TRANS-07, Checking, Repairing, and Replacing the Shift Lever and Shift Linkage.
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| December 20, 2004 |
Added DME Control Unit wiring diagrams (DME-03 - Turbo)(DME-04 - N/A).
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| December 20, 2004 |
Added Wastegate testing procedure (EXH-02).
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| December 16, 2004 |
Added O2 sensor information, testing, and replacement procedure (FUEL-18).
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| November 23, 2004 |
Added Power Steering Pump replacement procedure (STEER-02).
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| November 10, 2004 |
Added Adobe Acrobat printable versions of all Garage Shop Manual procedures.
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| October 31, 2004 |
Added Alarm System Bypass procedure (ELECT-23).
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| October 23, 2004 |
Added Clutch Master Cylinder Replacement procedure (CLUTCH-04).
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| October 17, 2004 |
Added Torque Tube Rebuild procedure (TRANS-05).
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| September 26, 2004 |
Removed AFM testing from ELECT-19 and moved to new procedure (ELECT-22).
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| September 9, 2004 |
Added repair facilities in Arizona, Connecticut, Mississippi, Ontario, and the Netherlands.
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| May 16, 2004 |
Added 944 Interior Color Code list (BODY-27).
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| May 16, 2004 |
Added AC System Operation and Troubleshooting procedure (HVAC-02).
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| April 15, 2004 |
Added Power Window Troubleshooting Procedure (ELECT-20).
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| February 16, 2004 |
Added the following new and revised procedures:
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| January 30, 2004 | Added procedure for Changing Manual Transaxle Fluid (TRANS-06). |
| January 20, 2004 | Added procedure for troubleshooting and testing of gauges and sensors (ELECT-19). |
| December 26, 2003 | Added Cooling System flow diagrams and descriptions for normally aspirated and turbocharged 944s. |
| December 17, 2003 | Added 924S, 944, 944 Turbo Oil Flow Diagram. |
| December 16, 2003 | Added TS-01, Troubleshooting - Engine Will Not Start. In support of that procedure also added ELECT-15, Battery Checks, ELECT-16, Checking Starter Operation, ELECT-17, Ignition Switch and Wiring Test, and IGN-04, Ignition System Troubleshooting. |
| November 22, 2003 | Revised IGN-02 to include testing procedure for speed and reference sensors. Revised SUSP-09 and SUSP-11 to include different sizes of axle nuts. Added new repair facility in Ohio. |
| October 23, 2003 | Revised sunroof operation, troubleshooting, and repair guide (BODY-03), late model sunroof plastic gear replacement procedure (BODY-04), and added new procedure for testing sunroof components (ELECT-18). |
| August 13, 2003 | Added FUEL-13, FUEL-14, and FUEL-15 (Fuel and Vacuum Line Diagrams for Late Model 944s, 16V 944s, and 944 Turbos). |
| August 03, 2003 | Made corrections to COOL-01 regarding the operation of late model 944 cooling fan relay. |
| July 23, 2003 | Added repair facility in NY. |
| July 16, 2003 | Added repair facilities in NJ and NY. Revised SUSP-02 to add section on rebuilding front struts. |
| June 23, 2003 | Revised Camshaft Oil Seal Replacement procedure (CAM-03) and added pictures. |
| June 4, 2003 | Added new procedure, Air Bag System Testing (ELECT-14). |
| May 27, 2003 | Added new procedure, Painting a 944 (BODY-21). |
| May 26, 2003 | Added new procedure, Stone Guards Removal and Installation (BODY-20) and procedure for Front Sway Bar - Removal and Installation (SUSP-12). |
| May 21, 2003 | Added new procedure, Hood Struts - Information and Replacement (BODY-19) and information document on 944 Sealants (INFO-02). |
| May 21, 2003 | Added new procedures, Rear Wheel Bearing Replacement - Steel Trailing Arm (SUSP-09) and Rear Wheel Bearing Replacement - Aluminum Trailing Arm (SUSP-11). |
| May 16, 2003 | Added new technical document providing Fuel Injector information (FUEL-12). |
| May 15, 2003 | Added new procedures - Fuel Level Indication Problems / Repairs (ELECT-13) and Hood Insulation Removal (BODY-18). Minor modification to ENG-14 to list Loctite 574 for sealing balance shaft covers as opposed to Loctite 638. Added repair facility in Alabama (Alabama Repair Facilities) |
| April 1, 2003 | Added new procedure - 944 Control Arms - General Information, Rebuilding, and Aftermarket Replacements (SUSP-10). |
| March 27, 2003 | Added Air Bag Warning Light Reset procedure (ELECT-12). |
| March 26, 2003 | Added fuse lists for early model 944s (ELECT-10) and late model 944s (ELECT-11). |
| March 14, 2003 | Inserted links to Cooling Fan Circuit graphics (COOL-01) instead of imbedding in document for improved quality. Add brake master cylinder replacement procedure (BRAKE-06). Added procedure for repairing squeaking rear hatch (BODY-17). Added part number for crankshaft woodruff key to timing belt general information procedure (ENG-04). |
| January 27, 2003 | Added MAINT-01, Periodic Maintenance Schedule. |
| January 18, 2003 | Added new procedure (TRANS-04, Transaxle - General Information, Codes, and Gear Ratios). |
| January 14, 2003 | Added Message Board to site (see Main Menu). |
| January 10, 2003 | Added repair facility in Australia. Removed resource from parts directory. |
| December 30, 2002 | Added repair facility in Pennsylvania. |
| December 24, 2002 | Changed menu graphics and site logo. Added Chat portal. |
| December 18, 2002 | Corrected typographical error in ELECT-04, Cruise Control - General Information and Repair. |
| December 13, 2002 | Added SUSP-08, Front Wheel Bearings - Checking, Adjustment, and Replacement, Added a step to CLUTCH-01 for covering timing mark window prior to remove speed/reference sensor bolts or ground strap bolts. Added repair facility in Oklahoma. Added repair facility in North Carolina. |
| December 11, 2002 | Minor revisions to some repair facility directories. Creation of the performance products and service vendors list as a separate page. Revised LUBE-07 and LUBE-08 to include recommendation regarding oil pump drive sleeve inspection. |
| December 8, 2002 | Major Upgrades to Shop Manual including the addition of 50+ new repair procedures. |
| October 22, 2001 | Made some minor changes to AF-01, Air Filter Housing and Air Flow Sensor - Removal and Installation based on user comments. |
| September 16, 2001 | Added repair facility in Oklahoma. |
| July 18, 2001 | Updated Watercooled Links page to remove dead links. |
| March 8, 2001 | Added shops in Texas and Florida to the Repair Facilities Directory. |
| February 10, 2001 | Made corrections to entries in the Repair Facility Directory for Ontario, Canada. |
| February 1, 2001 | Added a repair facility in Ontario, Canada to the Repair Facility Directory. |
| January 25, 2001 | Added several links to parts suppliers on the Parts page. Added some new information about cam tensioner pads to CAM-04, Camshaft Chain Tensioner Replacement (16V). Added a new repair facility in California. Updated some addresses on the Links page. |
| December 20, 2000 | Added site in New York to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| December 14, 2000 | Added site in Ontario, Canada to the "Porsche Repair Facility" directory Porsche Repair Facilities) . Revised incorrect phone number for repair facility in Florida. |
| December 8, 2000 | Added sites in Alabama and Pennsylvania to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| December 7, 2000 | Added 944 Option Codes (BODY-01) page and Slave Cylinder Replacement and Bleeding Procedure (CLUTCH-02). |
| November 27, 2000 | Added sites in Washington and Florida to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| November 22, 2000 | Added 968 information to the Technical Specifications page. New additions to links page. |
| November 18, 2000 | Added Technical Specifications page to web site. |
| November 14, 2000 | Added site in North Carolina to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| November 10, 2000 | Added site in Louisiana to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| October 31, 2000 | Added site in Virginia to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| October 26, 2000 | Added sites in Illinois to the "Porsche Repair Facility" directory Porsche Repair Facilities) . |
| October 25, 2000 | Added more sites in Florida and Pennsylvania to the "Porsche Repair Facility" directory (Porsche Repair Facilities) . |
| October 24, 2000 | Added "Porsche Repair Facility" directory to site.(Porsche Repair Facilities) . |
| October 18, 2000 | Added "Camshaft Assembly Oil Seal Replacement" procedure to site.(CAM-03) . Revised ENG-05. ENG-06, ENG-014, and IGN-01. |
| October 16, 2000 | Added "Balance Shaft Oil Seal Replacement" procedure to site.(ENG-14) |
| October 7, 2000 | Added "Clock and Temperature Control Unit Removal and Replacement" to site.(BODY-08) |
| August 31, 2000 | Completed "Starter Removal and Installation" (ELECT-02) procedure and uploaded to site. |
| August 17, 2000 | Major site revision. New home page. Added simple site file search capability. Repair Procedures section upgraded to on-line shop manual. |
| September 21,1999 | Removed link to the "Porsche Web Ring" as this site has never been added to the ring. |
| September 14, 1999 | Added part number for plastic sunroof gear to the "Installing Sunroof Gears" repair procedure. |
| September 9, 1999 | Added tips to the Power Steering Rack Replacement procedure. |
| September 8, 1999 | Added Power Steering Rack Replacement procedure authored by Ray Hartle. |
| December 1, 1999 | Updated web site and e-mail addresses for 944 Ecology. |
| December 5, 1999 | Added procedures for Wastegate Removal and Installation and Fabricating and Installing Wastegate Shims. |
| January 15, 2000 | Added procedure describing the operation and repair of the 944 headlite motor circuit written by David Simms. |
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