2003 Mercury Grand Marquis technical service bulletins

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

• Feb 7, 2019 Service bulletinCorrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust
• Jun 1, 2015 Service bulletinSummary to be provided on a future date.
• Apr 11, 2014 Service bulletinFord: the lighting control module has extended warranty coverage, on certain vehicles, due to a possible...
• Apr 11, 2014 Service bulletinFord: information regarding the lighting control module extended warranty coverage, for some vehicles, to...
• Oct 1, 2007 Service bulletinSome 1997-2008 vehicles equipped with a 4.6L 2V, 5.4L 2V, or 6.8L 2V engine--spark plug thread repair...
• Jan 1, 2006 Service bulletinLimited slip axle chatter, shudder, binding sensation, or vibration during low speed turning maneuvers
• Nov 14, 2005 Service bulletinWds cop kit diagnostic tip - coil on plug (COP) ignition systems - engine misfire or rough running
• Jun 7, 2005 Service bulletinSafety belt retraction speed
• Mar 7, 2005 Service bulletinUncommanded windshield wiper operation
• Feb 21, 2005 Service bulletinMaf diagnostic service tip - vehicles equipped with EGR system module (ESM)
• Feb 7, 2005 Service bulletinIdle vibration vehicles equipped with single exhaust
• Feb 1, 2005 Service bulletinAM FM and cellular phone reception interference
• Jan 1, 2005 Service bulletinAM/FM and cellular phone reception interference - service tip
• Jan 1, 2005 Service bulletinNumerous anti-lock brake system (ABS) wheel speed sensor (WSS) dtcs, such as C1145, C1155, C1165, C1175,...
• Dec 27, 2004 Service bulletinAluminum corrosion - service tip
• Dec 13, 2004 Service bulletinRear window defroster grid/integral antenna diagnosis and repair - terminal tab repair
• Dec 13, 2004 Service bulletinNumerous anti-lock brake system (ABS) wheel speed sensor (WSS) diagnostic trouble codes (DTCS)
• Dec 13, 2004 Service bulletinGeneral (PCM) power train control module programming procedures
• Nov 1, 2004 Service bulletinGeneral power train control module (PCM) programming procedures
• Nov 1, 2004 Service bulletinMalfunction indicator lampand P0460 DTC in memory
• Oct 1, 2004 Service bulletinMalfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0460 in continuous memory
• Sep 6, 2004 Service bulletinMalfunction indicator lamp (MIL) illuminated - system lean diagnostic trouble codes (dtc's) - service tips
• Sep 1, 2004 Service bulletinEmission related service action 04E12
• Aug 23, 2004 Service bulletinEngine misfire or running - coil on plug (COP) ignition systems - wds cop kit diagnostic tips
• Aug 9, 2004 Service bulletinSqueak or rubbing noise from front suspension - front spring insulator revised
• Aug 9, 2004 Service bulletinDiagnostic trouble code (DTC) P0442
• Jul 12, 2004 Service bulletinInoperative electric rear window defroster (heated backlite) grid lines, integral antenna concerns
• Jun 1, 2004 Service bulletinMalfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0442 or P0456
• May 1, 2004 Service bulletinDiagnostic trouble code (DTC) P1233 with possile driveability or no start condition
• May 1, 2004 Service bulletinA no crank/no start
• May 1, 2004 Service bulletinTransmission failure where there is a large amount of metal or debris in the pan
• Apr 1, 2004 Service bulletinIntermittent rapid flashing of the turn signals
• Feb 9, 2004 Service bulletinEngine knock during initial cold start, the knock will cease after the engine is fully warmed up
• Feb 1, 2004 Service bulletinIntermittent horn self-activation
• Feb 1, 2004 Service bulletinCosmetic cracking of lower control arm bushing sleeve
• Jan 1, 2004 Service bulletinSlow or binding side door glass operation
• Jan 1, 2004 Service bulletinIntermittent horn self-activation
• Jan 1, 2004 Service bulletinNoise-climate control-register vent rattle with a/c blower on
• Jan 1, 2004 Service bulletinEngine vibration at idle on vehicles equipped with single exhaust
• Dec 22, 2003 Service bulletinEngine-romeo built 4.6L 2V-TICK noise from engine-engines built before 9/17/2003
• Dec 8, 2003 Service bulletinBattery warning lamp on with a diagnostic trouble code P1246 (generator load input failed) in the...
• Nov 10, 2003 Service bulletinLack of air conditioner (a/c) cooling and restricted/reduced air flow through the a/c vents typically...
• Nov 1, 2003 Service bulletinSteering nibble - service tip
• Oct 13, 2003 Service bulletinMalfunction indicator lamp illuminated with diagnostic trouble codes (DTCS) P0442, P0455, P0456, P0457 or...
• Oct 1, 2003 Service bulletinFlickering electronic instrument cluster display, electronic automatic temperature control display, radio...
• Oct 1, 2003 Service bulletinPassive anti-theft system (PATS) do not come with a steering wheel lock
• Sep 29, 2003 Service bulletinHarsh ride/suspension sits low in front
• Sep 15, 2003 Service bulletinRemote keyless entry (RKE) - service tips
• Sep 1, 2003 Service bulletinMalfunction indicator lamp (MIL) light on and diagnostic trouble codes (DTCS) P1405 or P1406 with no other...
• Aug 18, 2003 Service bulletinSome vehicles, equipped with the 4.6L 2V engine, with an engine build date prior to 8/29/03 may exhibit an...
• Aug 4, 2003 Service bulletinGrinding type noise from the timing chain area
• Aug 1, 2003 Service bulletinMalfunction indicator lamp on with diagnostic trouble code P0316 (ONLY) stored in memory
• Jul 21, 2003 Service bulletinEngine misfire or rough running condition with coil on plug (COP) ignition systems may be more accurately...
• Jul 21, 2003 Service bulletinRadiator alignment pin ground clearance
• Jul 1, 2003 Service bulletinHesitation, buck or surge during steady state driving or light acceleration at 30-60 mph
• Jun 1, 2003 Service bulletinVehicles equipped with steel wheels built between april 25, 2003 though may 11, 2003 may exhibit harsh...
• Jun 1, 2003 Service bulletinMoisture in the headlamps
• May 12, 2003 Service bulletinMalfunction indicator lamp (MIL) illumination with diagnostic trouble codes P0442, P0455, P0456, P0457,...
• Apr 1, 2003 Service bulletinSpeed control deactivation switch adjustment service procedure
• Apr 1, 2003 Service bulletinMalfunction indicator lamp (MIL) with diagnostic trouble codes (dtc's) P0113 (intake air temperature...
• Apr 1, 2003 Service bulletinExcessive power steering pump noise at cold start
• Mar 17, 2003 Service bulletinRear axle shaft and/or axle bearing premature wear
• Mar 1, 2003 Service bulletinNew push type fuel clip and connector removal instructions
• Mar 1, 2003 Service bulletinErratic headlamp operation in autolamp mode
• Mar 1, 2003 Service bulletinFuel gauge that comes off full too quickly or reads lower than the actual fuel tank level (electronic or...
• Feb 1, 2003 Service bulletinFuel gauge reading that fluctuates or reads lower than the actual fuel tank level
• Feb 1, 2003 Service bulletinPower steering lower assist at low speeds / steering light feel at higher speeds
• Jan 5, 2003 Service bulletinNew service part - number 5 needle bearing and race kit - 4R70W transmission - service tip
• Nov 25, 2002 Service bulletinFuel pressure relief valve (schrader valve) discontinued
• Nov 1, 2002 Service bulletinBattery lamp on with diagnostic trouble code (DTC) P1246 under investigation (QSF)
• Nov 1, 2002 Service bulletinService cylinder head gasket for 4.6L applications
• Nov 1, 2002 Service bulletinRear air suspension height adjustment / service tips
• Nov 1, 2002 Service bulletinBrake booster push rod adjustment
• Nov 1, 2002 Service bulletinPower steering pump noise that may differ depending upon body style
• Oct 14, 2002 Service bulletinClimate control a/c service tech tips
• Oct 1, 2002 Service bulletinHigh side pressure fluctuations on vehicles equipped with a fixed scroll a/c compressor
• Sep 2, 2002 Service bulletinLamp-brake-invadvertent disabling of brake shift interlock
• Sep 2, 2002 Service bulletinCooling system-motorcraft premium gold engine coolant-serivce tips
• Sep 2, 2002 Service bulletinBody-collision repair updates
• Jun 1, 2002 Service bulletinSome vehicles including the 2003 marauder built from JOB1 through june 11, 2002 may have poor adhesion of...
• Jun 1, 2002 Service bulletinA service procedure for poor adhesion of the door trim panel carpet inserts on certain vehicles including...
• May 1, 2002 Service bulletinSome vehicles may exhibit a click or rattle noise coming from the front wheel area
• May 1, 2002 Service bulletinSubject regarding rear park brake clicking noise
• May 1, 2002 Service bulletinSome retail customers may perceive the operation of the dash light dimming feature as being faulty
• May 1, 2002 Service bulletinSubject regarding seat belt beltminder deactivating / activating clarification
• May 1, 2002 Service bulletinSome vehicles equipped with a passive anti-theft system (PATS) may exhibit steering wheel lock and...
• Apr 1, 2002 Service bulletinOn some vehicles the headlamps remain illuminated when wipers are activated and then deactivated
• Apr 1, 2002 Service bulletinOverspeed warning chime activation when travelling above 70 m ph / 110 kph