1999 Porsche 911 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Carrera Coupe 2-Door
- Carrera Convertible 2-Door
- Carrera 4 Convertible 2-Door
- Carrera 4 Coupe 2-Door
Engines covered
- 3.4L 3400CC H6 GAS DOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
VEHICLE DESCRIPTION: PASSENGER VEHICLES. INCORRECT PROGRAMMING OF THE ELECTRONIC LOGIC UNIT CAN CAUSE AN INCORRECT FUEL LEVEL.
THE VEHICLE COULD RUN OUT OF FUEL CAUSING A LOSS OF POWER.
DEALERS WILL UPDATE THE SOFTWARE IN THE INSTRUMENT CLUSTER SO THAT THE FUEL LEVEL AND THE RANGE OF R
Special tools and equipment information for the Boxster, Cayman, 911, and Panamera
Information for PIWIS tester update 42.500.020
Product knowledge for the chassis and VIN numbering systems
Information for PIWIS tester update 42.500.008
Information on PIWIS tester update 42.500.005
Information for PIWIS tester update 42.300.050 & .052
Instructions on manufactures certificate for approved Porsche A40 engine oils
Instructions on manufacturers certificate for approved C20 engine oils
Showing the 8 most recent of 136 technical service bulletins on file with NHTSA.
ENGINE HAS SEIZED DUE TO INTERMEDIATE SHAFT BEARING FAILUE (IMS BEARING FAILURE), THE ENGINE IS A 3.4 LITER FLAT 6 CYLINDER ENGINE WITH ONLY 95,500 MILES ON IT. THERE WAS NO WARNING SIGN OF AN ISSUE.
TL* THE CONTACT OWNS A 1999 PORSCHE 911. UPON STARTING THE VEHICLE, THE SRS INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO PORSCHE OF ARLINGTON (3100 JEFFERSON DAVIS HWY, ARLINGTON, VA 22202). THE CO
TL* THE CONTACT OWNS A 1999 PORSCHE 911. UPON STARTING THE VEHICLE, THE SRS INDICATOR ILLUMINATED. THE VEHICLE WAS TAKEN TO PORSCHE OF ARLINGTON (3100 JEFFERSON DAVIS HWY, ARLINGTON, VA 22202). THE CO
WAS DRIVING AND MASSIVE AMOUNTS OF ANTIFREEZE LEAKED OUT OF THE BACK ONTO THE ROAD AND ON MY TIRES. ENGINE THEN STARTED TO SMOKE AND OVERHEAT. COULD HAVE BEEN VERY DANGEROUS. OVERFLOW RESERVOIR CAP WA
I WAS DRIVING ON A 16 LANE MAJOR HIGHWAY IN TORONTO IN THE EXPRESS LANES AT 70 MPH. WITHOUT WARNING THE ENGINE LOST ALL POWER AND STALLED. THE CHECK ENGINE LIGHT WAS FLASHING. IT WAS DIFFICULT TO STO
Showing the 5 most serious of 12 complaints filed with NHTSA.
