1984 Porsche 944
TSBs (Technical Service Bulletins)
Technical Service Bulletins (TSBs) for the 1984 944 are official communications between Porsche & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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TSB #No. 1801.4
Advanced technical information for a brake squeal. Read More »
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TSB #ATIALL41605
Understanding and addressing brake squeal complaints. Read More »
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TSB #No. 14-23
Manufacturers certificate for allocation of approved engine oils Read More »
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TSB #No. 02-23-1
Manufacturers certificate for approved engine C20 engine oils. Read More »
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TSB #No. 04-23
Overview of approved engine C40 oils for all Porsche models that use C40 oil. Read More »
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TSB #No. 03-23
Overview of approved engine C30 oils for all Porsche models that use C30 oil. Read More »
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TSB #No. 05-23
Overview of approved engine A40 oils for all Porsche models that use A40 oil. Read More »
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TSB #No. 35-22
Overview of approved engine C30 oils for Porsche models using C30 oils. Read More »
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TSB #No. 36-22
Instructions on the manufacturers certificate for approve Porsche A40 engine oils. Read More »
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TSB #No. 31-22
Overview of approved engine C40 engine oils for all Porsche models using this oil. Read More »
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TSB #No. 33-22
Overview of approved engine C20 engine oils for all Porsche models using this oil. Read More »
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TSB #No. 61-21
List of approved engine oils for all Porsche models using C40 oil. Read More »
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TSB #No. 13-21
List of approved C20 style engine oils for classic and new Porsche models since 1984. Read More »
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TSB #No. 03-21
List of approved C20 engine oils for all new and classic Porsche models 1984 and newer. Read More »
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TSB #No. 07-21-1
List of approved C30 engine oils for all new and Classic Porsche vehicles MY1984 and newer. Read More »
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TSB #No. 08-21
List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer. Read More »
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TSB #No. 09-21
List of approved A40 style engine oils for new and classic Porsche vehicles MY 1984 and newer. Read More »
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TSB #No. 2000
Advanced Technical information on a NVH Lubrication kit. Read More »
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TSB #No. 28-20
List of approved A40 engine oil for classic Porsche vehicles. Read More »
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TSB #122-F4J4K-04
List of approved engine oils for all Porsche models. Read More »
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TSB #122-J8E6Y-04
List of approved C40 engine oils for all Porsche vehicles for which C40 is allocated. Read More »
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TSB #122-Z2X7A-02
List of approved C20 engine oils for all Porsche vehicles since 1984. Read More »
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TSB #No. 16-23
Manufacturers certificate for an overview of approved Porsche C20 engine oils. Read More »
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TSB #No. 17-23
Manufacturers certificate for an overview of approved Porsche C30 engine oils. Read More »
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TSB #No. 18-23
Manufacturers certificate for an overview of approved Porsche C40 engine oils. Read More »
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TSB #No. 19-23
Manufacturers certificate for an overview of approved Porsche A40 engine oils. Read More »
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TSB #No. 25-20
List of approved C20 engine oils for classic Porsche vehicles. Read More »
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TSB #No. 26-20
List of approved C30 engine oils for Porsche classic vehicles. Read More »
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TSB #No. 27-20
List of approved C40 engine oils for Classic Porsche vehicles. Read More »
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TSB #No. D615
Parts information for parts withdrawal involving the fuel filler flap Read More »
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TSB #No. 2314
Special tools and equipment information for all Porsche models. Diagnostic equipment standards. Read More »
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TSB #No. 2313
Special tools and equipment information for the Pico Oscilloscope Extended Functionality Read More »
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TSB #No. 2234
Instructions on advanced technical information for improper odometer and speedometer function Read More »
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TSB #No. 52-21
Information on how to deal with a potential cyber security breach. Read More »
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TSB #No. D4a
Document showing the evolution of Porsche Vehicles since 1948. Read More »
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TSB #122-Z3C2E-10
Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue Read More »
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TSB #122-L8R6J-10
Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3 Read More »
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TSB #122-Z6Y7L-09
Bulletin outlining PIWIS Tester updates 38.600.030 & 035. Read More »
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TSB #122-E4R8U-09
Bulletin outlining PIWIS Tester updates 38.600.020. Read More »
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TSB #122-B3Y6H-09
Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015. Read More »
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TSB #PIWIS2001v
Information on new PIWIS tester update 39.500.020 and .025. Read More »
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TSB #No. 72-20
List of approved wheels, tires, and spacers for the 944 and 944 Turbo. Read More »
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TSB #No. 72-20
List of approved wheels, tires, and spacers for the 944 and 944 Turbo. Read More »
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TSB #PIWIS2301ar
Information for PIWIS tester updates 42.000.050 & .051 Read More »
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TSB #PIWIS2301aq
Information for PIWIS tester update 42.000.048 Read More »
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TSB #PIWIS2302s
Information for PIWIS tester update 42.300.050 & .052 Read More »
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TSB #PIWIS2302r
Information for PIWIS tester update 42.300.040 & .041 Read More »
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TSB #PIWIS2302q
Information for PIWIS tester update 42.300.035 Read More »
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TSB #PIWIS2302p
Information for PIWIS tester update 42.300.030 - .032 Read More »
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TSB #No. D654
Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY Read More »
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TSB #No. D5
Parts information for parts withdrawal on the locks made to original key code Read More »
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TSB #PIWIS2301as
Information for PIWIS tester update 42.100.000, .010 & .011 Read More »
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TSB #PIWIS2301ap
Information for PIWIS tester update 42.000.040 Read More »
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TSB #PIWIS2301ao
Information for PIWIS tester update 42.000.035 Read More »
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TSB #No. 2311
Special tools information on an upgrade to the pushers for the VAS5237 Read More »
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TSB #No. D4a
Product knowledge for the Porsche evolution from 1948-2023. Read More »
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TSB #PIWIS2301k
Information for PIWIS tester update 41.750.045 & .046 Read More »
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TSB #PIWIS2202b
Information for PIWIS tester update 41.500.020 & .022 Read More »
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TSB #PIWIS2201au
Information for PIWIS tester update 41.400.000 & .010. Read More »
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TSB #PIWIS2201at
Information for PIWIS tester update #41.375.050 Read More »
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TSB #PIWIS2201as
Information for PIWIS tester update #41.375.045. Read More »
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TSB #No. D615
Parts information for parts withdrawal involving the fuel filler flap Read More »
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TSB #PIWIS2201ar
Information for PIWIS tester update #41.375.040 Read More »
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TSB #PIWIS2201an
Information for PIWIS tester update #41.300.000, .010 & .012 Read More »
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TSB #No. 61-21
List of approved engine oils for all Porsche models using C40 oil. Read More »
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TSB #No. 72-20
List of approved wheels, tires, and spacers for the 944 and 944 Turbo. Read More »
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TSB #No. D13.2
Information on new PIWIS Tester program for independent repair facilities. Read More »
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TSB #No. 13-21
List of approved C20 style engine oils for classic and new Porsche models since 1984. Read More »
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TSB #PIWIS2102j
Information on PIWIS Tester update 40.000.020 & .022. Read More »
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TSB #PIWIS2001v
Information on new PIWIS tester update 39.500.020 and .025. Read More »
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TSB #No. D4a
Document showing the evolution of Porsche Vehicles since 1948. Read More »
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TSB #122-S9X3K-07
Describes the loaner program for the N4P000 EMCO Hardness Tester, which can be rented out by dealers and used to test the temper of the spring plate. Read More »
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TSB #ATIALL41605
Understanding and addressing brake squeal complaints. Read More »
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TSB #No. D5
Parts information for parts withdrawal on the locks made to original key code Read More »
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TSB #No. 32-23
Instructions on manufacturers certificate for approved C20 engine oils Read More »
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TSB #No. 35-23
Instructions on manufactures certificate for approved Porsche A40 engine oils Read More »
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TSB #No. 33-23
Instructions on manufactures certificate for approved Porsche C30 engine oils Read More »
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TSB #PIWIS2302h
Special tools and equipment information on PIWIS tester update 42.250.050 Read More »
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TSB #PIWIS2302g
Information on PIWIS tester update 42.250.045 Read More »
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TSB #PIWIS2302f
Information on PIWIS tester update 42.250.042 Read More »
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TSB #PIWIS2302e
Information PIWIS tester update 42.250.040 Read More »
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TSB #PIWIS2302d
Information on PIWIS tester update 42.250.032 Read More »
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TSB #PIWIS2302C
Information on PIWIS tester update 42.250.030 Read More »
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TSB #PIWIS2302b
Information on PIWIS tester update 42.200.025 Read More »
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TSB #PIWIS2302a
Information on PIWIS tester update 42.200.020 & .022 Read More »
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TSB #PIWIS2301az
Information on PIWIS tester update 42.200.000 a?? 42.200.012 Read More »
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TSB #No. 17D4a
The following illustrations are based on the four poster set "Evolution Porsche 1948-2006". Read More »
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TSB #No. D4a
Historical information on Porsche product evolution. Read More »
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TSB #Charging lockup
Info on a new customer tool for looking up campaigns and recalls on their vehicle. Read More »
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TSB #No. 2303
Special tools information for the pneumatic cartridge gun. Read More »
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TSB #No. 1758.4
Special tools information for the logo templates and exchangeable inserts. Read More »
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TSB #No. 1804.1
Instructions on advanced technical information for the lubricant for the sunroof/sliding roof. Read More »
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TSB #PK-D8-16
PORSCHE: INFORMATION ON HOW TO READ THE VIN. *RM Read More »