This list of manuals (and shortcuts to the actual documents in PDF) was made by Michael Benno, he gets all the credits for the hard work !!
Porsche Technical Reference Index
I put together this index of Porsche Technical Reference documents and I thought it might be useful for others. Someone gave me the source index and I added URL locations where the PDF versions of the documents can be found online. I have a preview below but there is more data in the link. If you have more reference information to include reply to this thread or shoot me a message and I'll update the master index. If you would like to help me manage the index I'll add you as an admin. Suggestions appreciated.
WKD 458 221 - 1978 Service Information
WKD 458 221 - 1978
Service Information
WKD 4?? ??? - 1979
Service Information
WKD 4?? ??? - 1980
Service Information
WKD 450 221 - 1981
Service Information
WKD 450 521 - 1982
Service Information
WKD ??? ??? - 1983
Service Information
WKD ??? ??? - 1984
Service Information
WKD 491 720 - 1985
Service 928S USA
WKD 491 620 - 1985
Service 928S ROW Information
WKD 491 820 / 821 - 1985
928S Servicing, Assembling, and Adjusting
WKD 492 420 - 1986
Service Information
WKD 493 120 - 928 S4 Modifications, Data, Settings, Wiring Diagrams '87
Information Technik
WKD 493 421 - 1987
Service Information
WKD 494 421 - 1988
Service Information
WKD 495 521 - 1989
Service Information 1989 S4
WKD 495 821 - 928
S4 Diagnosis of Instrument Cluster '89
Information Technik
WKD 495 921 - 1989GT
Service Information 1989 GT
WKD 496 521 - 1990
Service Information S4/GT
WKD 496 921 - 1991
Service Information S4/GT
WKD 497 821 - 1992
Service Information
WKD 498 221 - 1993
Service Information
WKD 498 921 - 1994
Service Information
PNA 000-018-0 - 1985
- 1998 Service Information Index
WKD 459 521 - Air
Flow Controlled Fuel Injection
WKD 454 921 - Test
Plan EZF Ignition and LH-Jetronic Injection '85
WKD 491 120 - Test
Plan EZF-Ignition and LH-Jetronic Injection 84/85/86
WKD 493 921 - Test
Plan EZK and LH '87
WKD 494 521 - Diagnosis
DME and LH-EZK with Tester 9268 '88
WKS 200 020 - Electronic
Ignition and Injection System
WKS 107 121 - Test Plan EZK and LH '91
#1 987 722 160 97/98 EDITION - Bosch
Gasoline Fuel-Injection System L-Jetronic
- Bosch
K-Jetronic Troubleshooting Guide
- Workshop
Manual K-Jetronic
WKD 104-030 - Basic Features of DME
WKD 107-021 - P
210005 Fuel and Ignition System S4 and GT
WKD 455 020 - Heating
Ventilating Air-Conditioning System Information Technik P80
W42 600 4080 - Climate
Control System M563
WKS 800 021 - P
800005 Air Conditioning Systems
WKD 490 521 - A28
Automatic Transmission Description of Operation
WKS 302 021 - Manual
Transmissions for Eight Cylinder Model Series
WKD P31 - Repairs
to Valve Body Automatic Transmission A22
WKD 490 621 - Troubleshooting
Guide Automatic Transmission A28
WKD 4568.21 - A22
Transmission Description of Operation
WKD 469.21 - A22
Transmission Troubleshooting
- Body Dimensions & Lit Guide (1978 on)
WKS 504-021 - Diagnosing Body Damage 928S4
- Damage Diagnosis 928 Service Training
WKD 494 921 - Repair
Jobs On Aluminum Body Parts
WKD 4563.20 - Welding
Galvanized Sheet Metal
WKD 458 720 - Repairing
Damaged Paint Finish on Cars
WKD 426094411 - Two
Coat Metallic Paint Repair Procedures
WKD 4226-20 - Tech
Spec (Dimensions and Tolerances) '78-80
WKD 422-920 - Tech
Spec (Dimensions and Tolerances) '80-84
WKD 423-220 - Technical
Specifications '85-89
- Technical
Specifications '90-93
WKD 493 721 - Test
Plan ABS 944, 928S, S4
WKD 490 821 - ABS
TROUBLESHOOTING PROGRAM
PNA 000042 - ABS
Test Procedure (using Tester)
WKD 492 121 - Service
Anti-locking brake system ABS
P90 (6/86?) - 928S
Electrical Troubleshooting & Repair
- 928
S4/GTS System Diagnosis Service Information for 9288 System Tester
PNA 000-056 - Tech.
Bulletins prior to Nov '84, Book A (1976-1995)
- Technical
Bulletins prior to 1984
- Tech
Bulletins 11/84-1993
- Campaigns
1/85-12/91
- Technical
Bulletin 78-03
- Technical
Bulletin 8706
WKD 497 121 - Airbag
System
WKD 493 621 - Airbag
Information
WKD 4583.21 - 928
Maintenance Repairs Adjustments
WKS 108 021 - P
21000 5 Oxygen Sensor and Catalytic Converter
WKS 402 021 - P
400005 Running Gear
WKD P40 - Wheel
Alignment Information
WKS 005 021 - 928S
Vehicle Description
- Porsche Special Tools Catalog
WKD 4567.20 - Porsche
928 Electric Training
WKD 481 621 - WSM
Manual Volume 1
WKD 481 621 - WSM
Manual Volume 1A
WKD 481 621 - WSM
Manual Volume 2
WKD 481 621 - WSM
Manual Volume 3
WKD 481 621 - WSM
Manual Volume 4
WKD 481 621 - WSM
Manual Volume 5
WKD 481 621 - WSM
Manual Volume 6
WKD 481 621 - WSM
Manual Volume 7