Repair and Diagnosis: Technical Service Bulletins
- How to Find Technical Service Bulletins by Category/Symptom
- Recalls
- Customer Interest
- Labor/Parts Updates
- Seals, Gaskets
- Superceded Bulletins
- All Technical Service Bulletins
- Drivetrain - Drive Shaft Grease Incorrectly Labeled
- Vehicle - Use Only Approved Parts For Collision Repairs
- 18801 - 02/12/88
- Tools - Quick Scope Plus
- Tools - Auto Scopemeter & Engine Analyzer
- Technical Information (Advanced) - 23rd Supplement
- Overview
- 928 M.Y. 1985/86 Flywheel/Ignition Timing-Performance Problems
- 924S, 944, 944S M.Y. 1988 Crankcase Ventilation Heater
- 928 S4 M.Y. 1988 Engine Oil Level Checking System -- Modified
- 944 Engine Performance - to Determine Cause of Problem
- 928/928 S4 Ignition Trigger Control Heat Conducting Paste
- 911 Turbo M.Y. 1986 Ignition Delay Relay - Modified
- 911 Turbo M.Y. 1986 Acceleration/Enrichment Relay - Modified
- 924 Turbo M.Y. '81/'82 Ignition Control Unit - Pressure Line
- 911 Carreara M.Y. 1987 DME Control Unit Modified
- 911 Turbo M.Y. 1987 Acceleration - Enrichment Relay - Modified
- 944S, 944T M.Y. 1988 DME Control Unit: Modified
- 944S, 944T Knock Sensor - Modified
- 928 S4 M.Y. '87 - '89 Battery - Modified
- 928 S4 M.Y. '89 TDC Sending Unit - Deleted
- 911C2/4 *Reduced Engine Broking Effect
- 911 Carrera M.Y. 1984 Trans Mainshaft Bearing Loose
- 944 Transmission/Drive Train Noise
- Carrera 2/4 *Additional Shifter Boot Installed
- 911 Carrera M.Y. 1987 Rear Stabilize BAR - Modified
- 944, 944S 944T M.Y. 1988 With M-593 ABS - Modified
- 911 Carrera 911 Turbo M.Y. '88 Hand Brake Shoes - Modified
- 944, 944S, 944 S2, 944T, 928, 928S 928 S4, 928 GT P.S. Belt Tension
- 911 Carrera Door Lock/Tumbler Set - Replacements
- 928S Front Hood - Height Adjustment
- 944 Front Fender - Modified
- 944, 944T M.Y. '89 Rear Lid Modified
- 911 C 2/4 *Door Contact Switch Modified
- 911 Carrera M.Y. 1985 Electric Window Winder Relay - Relocated
- 911 Carrera M.Y. 1985 Mirror Switch and Window Heater
- 911 Cabrio M.Y. '86 - '89 Convertible Locking Motors - Modified
- 911 C2/4 *Tonneau Cover Strap Fasteners Installed
- 944, 944 Turbo M.Y. '86 Seat Back Unlocking Knob - Installation Procedure
- 944, 944T M.Y. '89 A/C High and Low Pressure Switch Modified
- 924 Turbo M.Y. 1981 Tachometer - Supersession
- 911 Carrera 911 Turbo M.Y. 1988 Luggage Compartment Wiring Harness
- 928 S4 Securing of Battery Ground Cable - Modified
- 928 S4 911/T M.Y. '88 Alarm System - Modified
- 928 S4 All 4 CYL. M.Y. 1988 Windshield Wiper Relay - Modified
- 928S/928 S4 M.Y. '86, '87, '88 Modified Rear Lid Motor
- 911 Carrera 911 Turbo 928 S4 Spare Paint Deleted
- Warranty - Engine Follow Up Service After Major Repairs
- Self Locking Fasteners - Replacement Information
- Recall - Checking and Replacing Rear Spring Plates
- Electrical Harnesses - Routing and Securing
- VIN, Certification, & Emission Label - Availability
- Tools - Minimum Requirement Listing
- Warranty - Access Start Dates and Recall Inquiry
- Technical Information Books - Available Stock Listing
- Towing - Long Distance & Emergency
- Microfiche - New Issues and Table of Contents
- Workshop Manuals - Ordering Information
- Tools - Testers for Alarms, Central Warning, & Air Bag
- A/C - Revised Sealing Rings for Expansion Valves
- A/C Refrigerant - General Recovery & Recycling Tips
- A/C - Substitutes for R-12 Refrigerant
- A/C Refrigerant - Identifier
- A/C - Retrofitting R12 Systems to R134
- A/C - Refrigerant 134a Use
- Steering Shaft/Rack and Pinion - Noise
- Power Steering - New Procedures Working on Pumps/Racks
- Suspension - Front End Shimmy
- Camshaft Drive Belts - Recommended Usage
- Balance Shaft - Leaks
- Balance Shaft Belt - Align Paint Mark When Installing
- Connecting Rod Nuts - Incorrectly Made
- Crankshaft - Front Portion Lengthened
- Engine - Drive Belt Checking and Adjusting Values
- Oil Pressure Relief Valve - Revised
- Engine - Lighter Version Connecting Rods
- Crankcase & Oil Trap - Modified
- Engine - Oil In the Cooling System
- Oil Pressure Relief Valve - Modified
- Oil Pressure Relief Valve - Identification & Application
- Tools - Oil Cooler Testing
- Oil Pan - Sealing
- Engine Short Block - Installation Modifications
- Cylinder Heads - Tightening Procedure & Service Changes
- Camshaft Spur Belt - Loosely Adjusted
- Timing Belt Cover - Ventilation System Change
- Toothed Engine Belts - Storage, Packing and Handling
- Valve Seal - Replacement Procedure
- Tools - Rebuilt and Exchange Program for Tools
- VIN Plate, Certification & Emission Label - Availability
- VIN, Certification & Emission Labels - Availability
- Engine - Poor Performance After A Cold Start
- Engine Cooling Fan - Working It's Way Loose
- Cooling System - Corrosion
- Cooling System - Clean & Flush After Repairing Leak
- Coolant Pump - Installing New Type
- Engine - High Temperature Gauge Readings
- Radiator - Plugged Up
- Radiator Coolant Thermo Switch - Torque Specification
- Coolant - Phosphate-Free Replacement Recommended
- Cooling System - Approved Phosphate Free Anti-Freeze
- Electrical System - Poor Pin/Ground Lug Connections
- Power Steering Pump - Flush Hoses After Replacing
- Power Steering Pump Belt - Adjusting Without Tool
- Brake Pad - Installation Hardware Ordered Separately
- Brake Pads - Available Without Asbestos
- Spark Plug - Application Chart
- Spark Plugs - Install With Threads Clean and Dry
- Spark Plugs - Revised Plugs and Tightening Torque
- Front Brakes - Groaning Type Noise
- Tools - Spring Compressor Service
- Power Steering Gear - Diagnosis
- Distributor Rotor - Replacement Procedure
- Camshaft Drive Belt - Check/Adjust After Replacement
- Camshaft Spur Belt - Proper Tension Adjustment
- Camshaft Spur Belt - Tension Value Changed
- Cam Belt Tensioner Nut - Torque Specification
- Camshaft Drive - Replaced Parts Upon Belt Failure
- Tools - Testing Device for Tensioning Toothed Belts
- Cylinder Heads - Machining and Using Correct Gaskets
- Engine - Low or No Oil Pressure On Cold Start
- Engine - Low, Pulsating, or Slow Ascent of Oil Pressure
- Oil Cooler/Oil Pressure Relief Valve - Repair Guide
- Coolant Pump - Leaks
- Coolant Pump - Housing Modification to Accept Seal
- Cooling Fan Motor - Correct Positioning
- Oil Cooler Housing Blind Plug - Leaks
- Recall 85V095000: Rear Spring Plate Defective
- Wheels - Unapproved Installation of 18 Inch Wheels
- Summer Tires - Wheel Rim Summary
- Tires/Wheels - Summer Recommendations
- Tires/Wheels - Summer Tire and Wheel Rim Summary
- Tools - Special Wheel Balancing Adapter
- Wheels - Non Approval of Chrome Plating Aluminum Wheels
- Front Wheel Alignment - New Toe-In Specifications
- Wheels - Retrofitting Unapproved 18 Inch Wheels
- Tire/Wheel Rim - Latest Winter Recommendations
- Wheel/Tire - General Information
- Tires/Wheels - Winter Tire/Wheel Rim Summary
- Wheels - Using 28 mm Spacers to Widen Rear Axle Track;
- Tires - Manufacturer Contact Information
- Tires (VR-Rated Summer ) - Do Not Mix With ZR Rated
- Tires - Winter Tire Summary Supplement
- Wheels - Lockable Fasteners Available
- Gas Cap Lock - Modifying
- Leather Upholstery - Reconditioning
- Electric Sun Roof - Troubleshooting and Repair
- Lifting Roof - Modification
- M/T (Five Speed ) - Ring Gear and Pinion Modification
- Oil Cooler Housing - Modified Gaskets
- Hydraulic Clutch - Pedal Stays Down/Air In the System
- Fuel Injectors - Correct Part Identification
- Tools - Split Socket For Oxygen Sensor
- Brake Calipers - Modified Piston and Dust Seals
- Brakes - Lubricate During Repair for Brake Pulling
- Battery - Diagnosing a Discharging Condition
- Engine - Noise From Distributor Area
- Engine - Cold Start Problems at Low Temperatures
- Catalytic Converter - Revised Part Available
- Exhaust System - Sulfur Like Smell
- Recall - Rear Seat Belt Retractor Installation
- Brakes - Pedal Pulsation/Vibration
- Engine - Remove Dip Stick When Refilling With Oil
- Engine Main Bearing - Revised Torque
- Engine - Additional TDC Mark on Flywheel
- Fuel/Ignition Modules - Use of Aftermarket Microchips
- Wiper Motor Hole (In the Rear Hatch Glass) - Changed
- Stabilizer Bar - Modification
- Paint - Manual Supplements
- Tools - Celette Collision Repair Systems
- Alarm System - Troubleshooting and Repair
- Vehicle Security Codes - Requesting
- Rear Lid Latch Assembly - Water Entry
- CO Sample Pipe - Material and Mounting Change
- Tools - Probe For Checking CO
- Electrically Heated Windshield Washer Jets - Installing
- Wiper Blades - Correct Application
- Tools - For Starter Ring Gear, Balance Shaft Belt
- Windshield Cement - Mixing
- Windshield - Water Leaks
- Engine Lubrication - Oils That Minimize Carbon Build-Up
- Engine - Motor Oils That Minimize Carbon Build-Up
- Engine - Approved Engine Oils
- Coolant Hose - Damaged By Headlight Linkage
- Engine - Diagnosing Performance Problems
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - Math Formulas Part I
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Part II
- A/T - Choosing the Right ATF
- Hydraulic Engine Mount, Right Hand - Vibration
- Engine Mount - Revised, Installation and Checking
- Drive Belt - Tension Specifications, Checking/Adjusting
- Transmission Fluids - Specifications
- Camshaft Drive Sprocket - Loose or Noisy
- Vehicle - Year 2000 Hardware/Software Readiness
- Recall 83V111000: Rear Seat Belt Locking Retractors
- Tools - Wheel Alignment Equipment
- CV Joint - New Grease
- Hand Brake Shoe Retaining System - Correct Installation
- A/C - Use of Correct Refrigerant
- Brakes - Squeaks May Be Normal Performance
- A/C - Refrigerent Oil Volume Capacities
- Tires - Summer Tire Summary
- Tires/Wheels - Handling Instructions After Damaged