The 2009 Mercury Grand Marquis Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.
Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.
Trims covered
- LS Sedan 4-Door
Engines covered
- 4.6L 281Cu. In. V8 FLEX SOHC Naturally Aspirated
- 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated
What’s inside
- 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
Why this manual matters
- Faster diagnostics with system-based troubleshooting and wiring diagrams
- Clear procedures and reference sections to reduce guesswork and rework
- Helpful for maintenance planning and verifying parts/specs before repairs
Ford is recalling certain model year 2005-2011 Ford Crown Victoria (including Crown Victoria Police Interceptors), Mercury Grand Marquis, and Lincoln Town Car vehicles. The affected vehicles are curre
If the lower bearing separates, the vehicle may experience a loss of steering, increasing the risk o
Ford will notify owners and dealers will replace the lower intermediate shaft, free of charge. The
Ford and Lincoln vehicles equipped with wired keyless entry keypad systems and accessory wireless keyless entry keypad systems may or may not come with a wallet card containing the master code. Unlike the integrated wired keypad, the access
All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during ini
Inpected or repaired under 13R01 - Requests for recall service action under 13S08
4R75E Transmission - Grinding/Whine/Vibration/Gear Slippage - Serrvice Kit available
The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to diagnose possible ETB concerns. The IDS has a limited refresh rate
REPLACING THE ORIGINAL EQUIPMENT SYNC/NAVIGATION SYSTEM WITH EITHER AN AFTERMARKET SYNC/NAVIGATION KIT OR MODIFYING ORIGINAL SYNC/NAVIGATION PARTS TO PROVIDE ADDITIONAL FEATURES IS NOT RECOMMENDED NOR SUPPORTED ON ANY FORD, MERCURY OR LINCO
4R75E TRANSMISSION - GRINDING/WHINE/VIBRATION/GEAR SLIPPAGE - SERVICE KIT AVAILABLE ISSUE A service kit has been released to assist with proper repair of the 4R75E transmission in 2008 Mark LT, 2008-2010 F-150, 2008-2010 / 2013-2014 E-Serie
FORD/LINCOLN/MERCURY: FAILURE OF PLANETARY GEAR ASSEMBLY IS DUE TO TRANSMISSION, ON CERTAIN VEHICLES, EXHIBITING GRINDING, GEAR SLIPPAGE, WHINE TYPE NOISE, VIBRATION, WHILE DRIVING OR LOSS OF REVERSE. *PE
Showing the 8 most recent of 11 technical service bulletins on file with NHTSA.
An SUV crashed into an apple store in Hingham Mass. The driver told police his foot became stuck to the gas pedal. More likely his foot became hooked under the brake pedal as he tried to quickly shift
TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. HE STATED THAT HE HIT A DEER IN DECEMBER OF 2009 AND THE AIR BAGS DID NOT DEPLOY. HE DROVE THE VEHICLE TO THE DEALER AND THE DEALER SAID THEY WOULD O
TL* THE CONTACT OWNS A 2009 MERCURY GRAND MARQUIS. HE APPLIED PRESSURE TO THE BRAKE PEDAL WHEN ATTEMPTING TO PARK THE VEHICLE, BUT IT LURCHED FORWARD. THE VEHICLE CRASHED THROUGH THE GARAGE WALLS I
ON OCTOBER 21, 2016, WHILE I WAS DRIVING ON I-30 IN DALLAS COUNTY, A FIRE OCCURRED IN THE DAIMAY-SUPPLIED DRIVER-SIDE VISOR LAMP ASSEMBLY OF MY 2009 FORD MERCURY GRAND MARQUIS. THE FORD FUSE SYSTEM FA
About a month ago I contacted Beechmont Ford (600 Ohio Pike Cincinnati, Ohio 45245) in reference to Manufacturer Recall Number # 13S08 NHTSA Recall Number # 13V385000. I've wrote them three time and
Showing the 5 most serious of 35 complaints filed with NHTSA.
