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1991 Mercury Topaz CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mercury REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
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- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Mercury Topaz car and truck
repair procedures including Mercury engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Mercury Topaz automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-2002 Ford Escort,Tempo, ZX2 & Mercury Topaz & Tracer
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
POWER BRAKES, FORD MOTOR CO. -> BENDIX DIAPHRAGM TYPES -> Brakes Grab -> DESCRIPTION -> Hard Pedal Or No Assist -> No Or Slow Release -> OPERATION -> TROUBLESHOOTING
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
DESCRIPTION
These units are of the vacuum suspended type. Some units are of the single diaphragm type,Fig. while others are of the tandem diaphragm type,Fig. . Both single piston and double piston or split system type master cylinders are used.
The vacuum suspended diaphragm type units utilize engine manifold vacuum and atmospheric pressure for its power. It consists of three basic elements combined into a single power unit. The three basic elements of the single diaphragm type are:
- A vacuum power section which includes a front and rear shell, a power diaphragm...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
Ford Motor Co. Passenger Cars -> Fuel Pressure Relief -> Except Aspire, Festiva, Focus, Fusion, Milan, 2003-06 Crown Victoria, Grand Marquis, Sable, Taurus & Town Car, 1991-96 Escort, 1988-96 Tracer, 1991-94 Capri, 1989-91 Probe & 2005-06 Mustang
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
When installing the fuel filter, ensure the flow arrow is facing in the proper direction...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
If removing both righthand and lefthand driveshafts, install plugs T81P-1177B, or equivalent. Failure to do so may result in dislocating of differential side gears, requiring transaxle disassembly to align gears. Also, driveshaft removal and installation procedures are the same for manual and automatic transaxles except for the following: due to automatic transaxle case configuration, righthand driveshaft assembly must be removed first. Removal tool T81P-4026-A, or equivalent, is then inserted into transaxle to remove lefthand inner CV joint assembly. If only lefthand dri...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
Starter, Replace
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
- Disconnect battery ground cable.
- Raise vehicle on hoist.
- Disconnect starter cable at starter terminal.
- Remove bolts attaching starter rear support bracket.
- On vehicles equipped with a roll restrictor brace to ...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
Ford Motor Co. Cars -> Low Coolant Lamp ->
Vehicle: 1991 Mercury Topaz 2.3 L4 GAS
The low coolant warning lamp should light whenever the coolant level in the coolant recovery bottle is 1/4 to 3/4 inch or more below the cold full mark. Raise coolant level in recovery bottle to the cold full mark to turn lamp off.
On models equipped with GEM module and low coolant level warning system, t...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1991 Mercury Topaz AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1991 Mercury Topaz 2.3 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 Topaz AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1991 Mercury Topaz 2.3 L4 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 Topaz AUTOMOBILES
Component location diagrams for most 1991 Mercury Topaz cars and light trucks sold in the U.S. from 1990+.
 Engine Compartment Components Diagram for 1991 Mercury Topaz 2.3 L4 GASComponents on diagram: |
 Body Components Diagram for 1991 Mercury Topaz 2.3 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1991 Mercury Topaz AUTOMOBILES
OEM drawn wiring diagrams for most 1991 Mercury Topaz cars and light trucks sold in the U.S.
 1991 Mercury Topaz 2.3 L4 GAS Wiring DiagramComponents on diagram: |
 1991 Mercury Topaz 2.3 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1991 Mercury Topaz AUTOMOBILES
OEM TSB listings for most 1991 Mercury Topaz cars and light trucks sold in the U.S. from 1985+.
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Document: WHINING / BUZZING NOISE COMES THROUGH ENTERTAINMENT OR TWO-WAY RADIO SPEAKER Vehicle: 1991 Mercury Topaz 2.3 L4 GAS Symptoms: |
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Document: FORD MOTOR COMPANY POSITION ON PROPYLENE GLYCOL-BASED ENGINE COOLANTS Vehicle: 1991 Mercury Topaz 2.3 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1991 Mercury Topaz AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1991 Mercury Topaz 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 Topaz 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 Topaz 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 Topaz 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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