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2003 INFINITI Q45 Service and Repair Manual
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$29.99 USD
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Covers all 2003 Q45 trims — Premium Sedan 4-Door, Base Sedan 4-Door, Convenience Sedan 4-Door ·
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2003 INFINITI Q45 Service and Repair Manual
Regular price
$29.99 USD
Unit price
2003 INFINITI Q45 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
- Premium Sedan 4-Door
- Base Sedan 4-Door
- Convenience Sedan 4-Door
Engines covered
- 4.5L 4494CC V8 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
NISSAN IS RECALLING CERTAIN MODEL YEAR 2003-2005 INFINITI Q45 VEHICLES. A WIRING CONNECTOR FOR THE SEAT MOUNTED AIRBAG MAY EXPERIENCE INCREASED ELECTRICAL RESISTANCE, RESULTING IN THE NON-DEPLOYMENT
Consequence
NON-DEPLOYMENT OF SIDE AIR BAGS COULD INCREASE THE RISK OF PERSONAL INJURY.
Remedy
NISSAN WILL NOTIFY OWNERS, AND DEALERS WILL MODIFY THE WIRING CONNECTOR, FREE OF CHARGE. THE SAFETY
CERTIFICATION LABEL AND VIN PLATE REPLACEMENT SERVICE INFORMATION Because of collision damage or other vehicle repair, a replacement Certification Label or VIN Plate/Label may be needed. HINT: Certification Label = FMVSS (Federal Motor Vehi
INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
Showing the 8 most recent of 40 technical service bulletins on file with NHTSA.
THE BRAKES IN THIS VEHICLE MALFUNCTIONED AND BY SUCH CAUSED A VERY SERIOUS ACCIDENT. THE DEALER, NISSAN OF THE EASTSIDE IN BELLEVUE WA WAS SUPPOSED TO FIX SAID BRAKES AS I NOTED THAT THEY WERE NOT OPE
THE CIRCUIT BOARD FOR CRANK POSITION SENSOR AND CAM POSITION SENSOR HAVE IMPROPER SOLDER JOINTS. THIS HAS CAUSED THE SERVICE ENGINE LIGHT TO COME ON, THE ENGINE MAY NOT START, POWER REDUCES, ENGINE ST
THE CIRCUIT BOARD FOR CRANK POSITION SENSOR AND CAM POSITION SENSOR HAVE IMPROPER SOLDER JOINTS. THIS HAS CAUSED THE SERVICE ENGINE LIGHT TO COME ON, THE ENGINE MAY NOT START, POWER REDUCES, ENGINE ST
THE CIRCUIT BOARD FOR CRANK POSITION SENSOR AND CAM POSITION SENSOR HAVE IMPROPER SOLDER JOINTS. THIS HAS CAUSED THE SERVICE ENGINE LIGHT TO COME ON, THE ENGINE MAY NOT START, POWER REDUCES, ENGINE ST
TL* THE CONTACT OWNS A 2003 INFINITI Q45. WHILE DRIVING 35 MPH, THE VEHICLE STALLED AND THE SERVICE ENGINE WARNING INDICATOR ILLUMINATED. THE CONTACT WAS ABLE TO RESTART THE VEHICLE AFTER SEVERAL ATTE
Showing the 5 most serious of 20 complaints filed with NHTSA.
Other Years of the INFINITI Q45
2006 INFINITI Q45 Service and Repair Manual2005 INFINITI Q45 Service and Repair Manual2004 INFINITI Q45 Service and Repair Manual2002 INFINITI Q45 Service and Repair Manual2001 INFINITI Q45 Service and Repair Manual2000 INFINITI Q45 Service and Repair Manual1999 INFINITI Q45 Service and Repair Manual1998 INFINITI Q45 Service and Repair Manual1997 INFINITI Q45 Service and Repair Manual1996 INFINITI Q45 Service and Repair Manual1995 INFINITI Q45 Service and Repair Manual1994 INFINITI Q45 Service and Repair Manual1993 INFINITI Q45 Service and Repair Manual1992 INFINITI Q45 Service and Repair Manual1991 INFINITI Q45 Service and Repair Manual1990 INFINITI Q45 Service and Repair Manual