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1991 Mercury Colony Park CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-2002 Ford Crown Victoria & Mercury Grand Marquis
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
DRUM BRAKES, FORD MOTOR CO. -> Types 1 & 2 -> INSPECTION
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
- Inspect components for damage and unusual wear. Replace as necessary.
- Inspect wheel cylinders. Boots which are torn, cut, or heat damaged indicate need for wheel cylinder replacement. Fluid spilling from boot center hole, or wetness around wheel cylinder ends indicates cup leakage and need for wheel cylinder replacement.A small amount of fluid is always present and is considered normal, acting as a lubricant for the cylinder pistons.
- Inspect backing ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
Ford Motor Co. Passenger Cars -> Component Locations -> 2003-04 Marauder, 1987-06 Crown Victoria, Grand Marquis & Town Car
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
- Raise and support vehicle.
- Index-mark driveshaft. Place a paint index-mark on pinion flange to driveshaft centering socket yoke.
- Remove driveshaft-to-driveshaft pinion flange bolts.
- Place a paint index-mark on driveshaft slip-yoke to transmissio...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
Alternator, Replace
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
- Disconnect battery ground cable.
- Disconnect wire harness attachments to alternator assembly.
- Loosen alternator pivot bolt. Remove adjustment are bolt from alternator.
- Disengage alternator drive belt f...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
Ford Motor Co. Cars -> Message Center -> Crown Victoria, Grand Marquis & Town Car
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
The message center may be located to the right of the instrument cluster, or it may be a part of the cluster itself. It consists of three buttons: Select, E/M and Reset. The E/M button switches the display betw...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
Radiator, Replace
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
- Disconnect battery ground cable.
- Drain cooling system into a suitable container.
- Disconnect coolant recovery hose at radiator.
- Disconnect upper radiator hose.
- Disconnect lower radiator hose.
- Disconnect transmission oil cooler lines.
- Remove two upper shroud retaining bolts at radiator support.
- Lift fan shroud sufficiently to disengage lower retaining clips and lay sh...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Mercury Colony Park AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from dr...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Mercury Colony Park AUTOMOBILES
Component location diagrams for most 1991 Mercury Colony Park cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Mercury Colony Park AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Mercury Colony Park cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Mercury Colony Park AUTOMOBILES
OEM TSB listings for most 1991 Mercury Colony Park cars and light trucks sold in the U.S. from 1985+.
Document: FORD MOTOR COMPANY POSITION ON PROPYLENE GLYCOL-BASED ENGINE COOLANTS Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS Auto Systems: |
Document: REPEAT HEATER CORE FAILURE Vehicle: 1991 Mercury Colony Park 5.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Mercury Colony Park AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Mercury Colony Park cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1991 Mercury Colony Park cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1991 Mercury Colony Park cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1991 Mercury Colony Park cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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