Vehicle report

1990 PORSCHE 911

Compare every PORSCHE 911 yearNHTSA and EPA records

Service bulletins

90 bulletins

Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.

No. 2404

Service Bulletin/Repair Instructions

Special tools and equipment information for the Boxster, Cayman, 911, and Panamera

PIWIS2302s

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.300.050 & .052

No. 32-23

Service Bulletin/Repair Instructions

Instructions on manufacturers certificate for approved C20 engine oils

No. 33-23

Service Bulletin/Repair Instructions

Instructions on manufactures certificate for approved Porsche C30 engine oils

No. 35-23

Service Bulletin/Repair Instructions

Instructions on manufactures certificate for approved Porsche A40 engine oils

PIWIS2302r

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.300.040 & .041

PIWIS2302q

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.300.035

PIWIS2302p

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.300.030 - .032

No. D654

Service Bulletin/Repair Instructions

Parts information for parts withdrawal involving the glass roof - 9J0877069EY and 9J0877069DY

PIWIS2302h

Service Bulletin/Repair Instructions

Special tools and equipment information on PIWIS tester update 42.250.050

PIWIS2302g

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.250.045

PIWIS2302f

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.250.042

PIWIS2302e

Service Bulletin/Repair Instructions

Information PIWIS tester update 42.250.040

PIWIS2302d

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.250.032

PIWIS2302C

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.250.030

PIWIS2302b

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.200.025

PIWIS2302a

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.200.020 & .022

No. 2314

Service Bulletin/Repair Instructions

Special tools and equipment information for all Porsche models. Diagnostic equipment standards.

No. 16-23

Service Bulletin/Repair Instructions

Manufacturers certificate for an overview of approved Porsche C20 engine oils.

No. 17-23

Service Bulletin/Repair Instructions

Manufacturers certificate for an overview of approved Porsche C30 engine oils.

No. 18-23

Service Bulletin/Repair Instructions

Manufacturers certificate for an overview of approved Porsche C40 engine oils.

No. 19-23

Service Bulletin/Repair Instructions

Manufacturers certificate for an overview of approved Porsche A40 engine oils.

PIWIS2301az

Service Bulletin/Repair Instructions

Information on PIWIS tester update 42.200.000 – 42.200.012

No. 2313

Service Bulletin/Repair Instructions

Special tools and equipment information for the Pico Oscilloscope Extended Functionality

No. D5

Service Bulletin/Repair Instructions

Parts information for parts withdrawal on the locks made to original key code

No. 14-23

Service Bulletin/Repair Instructions

Manufacturers certificate for allocation of approved engine oils

PIWIS2301as

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.100.000, .010 & .011

PIWIS2301ar

Service Bulletin/Repair Instructions

Information for PIWIS tester updates 42.000.050 & .051

PIWIS2301aq

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.000.048

PIWIS2301ap

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.000.040

PIWIS2301ao

Service Bulletin/Repair Instructions

Information for PIWIS tester update 42.000.035

No. 2311

Service Bulletin/Repair Instructions

Special tools information on an upgrade to the pushers for the VAS5237

No. 02-23-1

Service Bulletin/Repair Instructions

Manufacturers certificate for approved engine C20 engine oils.

No. D4a

Service Bulletin/Repair Instructions

Product knowledge for the Porsche evolution from 1948-2023.

PIWIS2301k

Service Bulletin/Repair Instructions

Information for PIWIS tester update 41.750.045 & .046

No. 2303

Service Bulletin/Repair Instructions

Special tools information for the pneumatic cartridge gun.

No. 03-23

Service Bulletin/Repair Instructions

Overview of approved engine C30 oils for all Porsche models that use C30 oil.

No. 04-23

Service Bulletin/Repair Instructions

Overview of approved engine C40 oils for all Porsche models that use C40 oil.

No. 05-23

Service Bulletin/Repair Instructions

Overview of approved engine A40 oils for all Porsche models that use A40 oil.

No. 2234

Service Bulletin/Repair Instructions

Instructions on advanced technical information for improper odometer and speedometer function

No. 17D4a

Service Bulletin/Repair Instructions

The following illustrations are based on the four poster set "Evolution Porsche 1948-2006".

No. 1758.4

Service Bulletin/Repair Instructions

Special tools information for the logo templates and exchangeable inserts.

PIWIS2202b

Service Bulletin/Repair Instructions

Information for PIWIS tester update 41.500.020 & .022

No. 2221

Service Bulletin/Repair Instructions

Special tools information for the 9282 supersedes to the PNA9282NAR.

PIWIS2201au

Service Bulletin/Repair Instructions

Information for PIWIS tester update 41.400.000 & .010.

PIWIS2201at

Service Bulletin/Repair Instructions

Information for PIWIS tester update #41.375.050

PIWIS2201as

Service Bulletin/Repair Instructions

Information for PIWIS tester update #41.375.045.

No. D615

Service Bulletin/Repair Instructions

Parts information for parts withdrawal involving the fuel filler flap

PIWIS2201ar

Service Bulletin/Repair Instructions

Information for PIWIS tester update #41.375.040

No. 1804.1

Service Bulletin/Repair Instructions

Instructions on advanced technical information for the lubricant for the sunroof/sliding roof.

PIWIS2201an

Service Bulletin/Repair Instructions

Information for PIWIS tester update #41.300.000, .010 & .012

No. 2002.1

Service Bulletin/Repair Instructions

Special tools information for new blitz table replacement castors.

No. 31-22

Service Bulletin/Repair Instructions

Overview of approved engine C40 engine oils for all Porsche models using this oil.

No. 33-22

Service Bulletin/Repair Instructions

Overview of approved engine C20 engine oils for all Porsche models using this oil.

No. 35-22

Service Bulletin/Repair Instructions

Overview of approved engine C30 oils for Porsche models using C30 oils.

No. 36-22

Service Bulletin/Repair Instructions

Instructions on the manufacturers certificate for approve Porsche A40 engine oils.

No. 2214

Service Bulletin/Repair Instructions

Special tools and equipment for the VAG 1561 storage kit in foam with blades

No. 1801.4

Service Bulletin/Repair Instructions

Advanced technical information for a brake squeal.

No. D599

Service Bulletin/Repair Instructions

Parts information for parts withdrawal involving the valve spring. Part numbers affected are PAB109623 and 958109623.

No. 2116

Service Bulletin/Repair Instructions

Special tools information for a new contact surface cleaning set.

No. 61-21

Service Bulletin/Repair Instructions

List of approved engine oils for all Porsche models using C40 oil.

No. D13.2

Service Bulletin/Repair Instructions

Information on new PIWIS Tester program for independent repair facilities.

No. 52-21

Service Bulletin/Repair Instructions

Information on how to deal with a potential cyber security breach.

No. 13-21

Service Bulletin/Repair Instructions

List of approved C20 style engine oils for classic and new Porsche models since 1984.

No. 03-21

Service Bulletin/Repair Instructions

List of approved C20 engine oils for all new and classic Porsche models 1984 and newer.

No. 07-21-1

Service Bulletin/Repair Instructions

List of approved C30 engine oils for all new and Classic Porsche vehicles MY1984 and newer.

No. 08-21

Service Bulletin/Repair Instructions

List of approved C40 engine oils for new and classic Porsche vehicles MY 1984 and newer.

No. 09-21

Service Bulletin/Repair Instructions

List of approved A40 style engine oils for new and classic Porsche vehicles MY 1984 and newer.

PIWIS2102j

Service Bulletin/Repair Instructions

Information on PIWIS Tester update 40.000.020 & .022.

No. 53-20

Service Bulletin/Repair Instructions

List of approved C40 style engine oils for new and classic Porsche vehicles.

No. 54-20

Service Bulletin/Repair Instructions

List of approved A40 style engine oils for new and classic Porsche models.

No. 2000

Service Bulletin/Repair Instructions

Advanced Technical information on a NVH Lubrication kit.

PIWIS2001v

Service Bulletin/Repair Instructions

Information on new PIWIS tester update 39.500.020 and .025.

Charging lockup

Service Bulletin/Repair Instructions

Info on a new customer tool for looking up campaigns and recalls on their vehicle.

122-J4L4X-03

Service Bulletin/Repair Instructions

Bulletin outlining new blitz table replacement castors due to a high rate of failure reported by dealers.

122-Z2X7A-02

Service Bulletin/Repair Instructions

List of approved C20 engine oils for all Porsche vehicles since 1984.

122-Z3C2E-10

Service Bulletin/Repair Instructions

Announcement of new Tech Live look, which will put technicians into live chats with technical support if they should have an urgent issue

122-L8R6J-10

Service Bulletin/Repair Instructions

Bulletin highlighting new updates 38.750, 38.750.000 for the Porsche PIWIS Tester 3

122-Z6Y7L-09

Service Bulletin/Repair Instructions

Bulletin outlining PIWIS Tester updates 38.600.030 & 035.

122-E4R8U-09

Service Bulletin/Repair Instructions

Bulletin outlining PIWIS Tester updates 38.600.020.

122-B3Y6H-09

Service Bulletin/Repair Instructions

Bulletin outlining PIWIS Tester updates 38.600.000, .010, & .015.

122-V3B6B-07

Service Bulletin/Repair Instructions

Announcement of a 6 month warranty extension on VAS 581005P R1234yf Service Units for air conditioning.

122-W9D2T-07

Service Bulletin/Repair Instructions

Instructions for using VAS 581005P in order to chech and service R1234yf Air Conditioning Unit.

122-L5E2R-04

Service Bulletin/Repair Instructions

Subject: Replacing brake booster during repairs Information: If the brake booster on the 911 Carrera 2/Targa/Speedster (964) needs to be replaced, the replacment brake booster will be a 911 (993) version. During conversion, the brake master cylinder, mounting saddle and (push rod) joint screw must be replaced (? Figure 1). The power steering pressure and return linesmay also have to be replaced.

122-E7M2M-09

Service Bulletin/Repair Instructions

Information: Old airbag sensor no longer available. Note: During repairs, the faulty airbag sensor will be replaced by a new electronic airbag sensor. The new airbag sensor is the same size as the airbag sensor that is installed as standard but needs an additional power supply (terminal 15) from the fuse box in the luggage compartment. Recommendation: Always replace the component in pairs.

ATIALL41605

Service Bulletin/Repair Instructions

Understanding and addressing brake squeal complaints.

PK-D8-16

Service Bulletin/Repair Instructions

PORSCHE: INFORMATION ON HOW TO READ THE VIN. *RM

0203

Service Bulletin/Repair Instructions

EXCHANGE ENGINES AND TRANSMISSIONS FOR WARRANTY. THIS BULLETIN REPLACES BULLETIN WTY0203 DATED 2-15-02. *TT

GRP3/9503

Service Bulletin/Repair Instructions

THE FRONT TRANSMISSION CASE COVER AND SPUR GEARS ARE NO LONGER AVAILABLE AS SEPARATE PARTS. *TW

GRP4/9310

Service Bulletin/Repair Instructions

BRAKE VIBRATION DAMPER APPLICATION - NEW DAMPING PLATE WITH STEEL CLIP. *TW

Reading this report

Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.