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1991 Mercury Capri 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 Capri AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> Ford Aspire, Festiva & Mercury Capri
Vehicle: 1991 Mercury Capri XR2 1.6 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
POWER BRAKES, FORD MOTOR CO. -> SYSTEM SERVICE -> Assembly -> BENDIX, TEVES & DOUBLE DIAPHRAGM BOOSTER -> Disassembly -> SINGLE DIAPHRAGM BOOSTER
Vehicle: 1991 Mercury Capri XR2 1.6 L4 GAS
BENDIX, TEVES & DOUBLE DIAPHRAGM BOOSTER
On Bendix, Teves and Double Diaphragm Booster type power brake units, overhaul is not required. If it has been determined that the brake booster is defective, replace power brake unit as an assembly. In some instances, the only service required is replacement of the check valve and grommet and pushrod adjustment.
SINGLE DIAPHRAGM BOOSTER
Disassembly
- Remove brake booster from vehicle.
- Place front shell of booster in a vise.
- Remove clevis from valve rod and plunger assembly.
- Remove dust boot from rear shell,Fig. , then place alignment marks on fron...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Shutoff Switch Location -> 1991-94 Capri
Vehicle: 1991 Mercury Capri XR2 1.6 L4 GAS
The inertia switch is located at r...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Mercury Capri 1.6 L4 GAS
- Raise and support front of vehicle, then remove wheel and tire assembly.
- Remove underbody covers, then remove stabilizer bar link from control arm.
- Using a suitable chisel, raise staked portion of axle nut, then with brakes applied, loosen but do not remove nut.
- Remove clamp bolt attaching lower control arm ball joint to steering knuckle, then pry downward on lower control arm to separate ball joint from steering knuckle.
- On models with manual transaxle, pull outward on steering knuckle and hub assembly to separate halfshaft from differential side gear. Use only enough force ...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
Starter, Replace
Vehicle: 1991 Mercury Capri 1.6 L4 GAS
- Disconnect battery ground cable.
- Raise and support vehicle.
- Disconnect starter cable from motor.
- Remove starter motor mounting bolts, then starte...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
Ford Motor Co. Cars -> Anti-Lock Brake Warning Lamp ->
Vehicle: 1991 Mercury Capri XR2 1.6 L4 GAS
This lamp should light when the ignition is turned On. It may light for as long as 30 seconds as a bulb and system inspect. If the lamp remains lit or lights while operating the vehicle, a fault condition in the anti-lock brake system is indicated. When the lamp is lit, turn ignition Off, then start...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Mercury Capri 1.6 L4 GAS
Inlet
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to heater core inlet tube.
- Loosen hose clamp connecting hose to engine.
- Remove hose from vehicle.
- Reverse procedure to...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1991 Mercury Capri AUTOMOBILES
Serpentine Drive Belt, Replace -> Air Conditioning -> Alternator
Vehicle: 1991 Mercury Capri 1.6 L4 GAS
Air Conditioning
- Disconnect battery ground cable from battery.
- Loosen drive belt locknut and adjusting bolts at power steering pump.
- Remove drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install, noting the following:
- Torque adjusting bar bolt to 16 ft. lbs.
Alternator
- Disconnect bat...
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COMPONENT LOCATION DIAGRAMS FOR 1991 Mercury Capri AUTOMOBILES
Component location diagrams for most 1991 Mercury Capri cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1991 Mercury Capri AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Mercury Capri 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 Capri AUTOMOBILES
OEM TSB listings for most 1991 Mercury Capri 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 Capri 1.6 L4 GAS Auto Systems: |
Document: REPEAT HEATER CORE FAILURE Vehicle: 1991 Mercury Capri 1.6 L4 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Mercury Capri AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Mercury Capri 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 Capri 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 Capri 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 Capri 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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