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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Mercury Sable 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 1991 Mercury Sable automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Mercury Sable
- 1991 Mercury Sable 3.0 V6 GAS, CID:182, Fuel Injection, Aspiration:182, Engine VIN:, Desg:U
- 1991 Mercury Sable 3.8 V6 GAS, CID:232, Fuel Injection, Aspiration:232, Engine VIN:, Desg:4
BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
DISC BRAKES, FORD MOTOR CO. -> Front Disc Brakes -> CALIPER OVERHAUL -> ASSEMBLY -> Capri, Tracer & 1991 Escort -> DISASSEMBLY -> Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort -> Festiva -> INSPECTION -> Probe -> Scorpio & XR4Ti
Vehicle: 1991 Mercury Sable 3.0 V6 GAS
DISASSEMBLY
Except Capri, Festiva, Tracer, Scorpio, XR4Ti, Probe & 1991 Escort
- Remove caliper assembly from vehicle as described under "Caliper, Replace."
- Position fiber block and shop towels between caliper piston and caliper housing, then apply compressed air to caliper brake line fitting bore to force piston from caliper.
- Remove dust boot from caliper assembly,Figs. and .
- Remove piston seal from cylinder and discard.
Festiva
- Remove brake pads and caliper as outlined previously.
- Remove bleeder screw, drain remaining fluid from caliper, then reinstall screw.
- Remove dust boot retaining r...
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BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
POWER BRAKES, FORD MOTOR CO. -> CHECKING COMPLAINTS
Vehicle: 1991 Mercury Sable 3.8 V6 GAS
Complaints about power brake operation should be handled as if two separate systems exist. Check for faults in the hydraulic system first. If it is satisfactory, start inspecting the power brake circuit. For a quick check of proper power unit operation, press the brake pedal firmly and then start the engine. The pedal should fall away slightly and less pressure should be needed to maintain the pedal in any position.
Another check begins with installation of a suitable pressure gauge in the brake hydraulic system. Take a reading with the engine off and the power unit not opera...
CLICK HERE TO GET FULL ACCESS TO 1991 Mercury Sable BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
ANTI-LOCK BRAKES, FORD MOTOR CO. -> Sable/Taurus & Town Car, 1990-91 Continental -> PEDAL TRAVEL SWITCH ADJUSTMENT
Vehicle: 1991 Mercury Sable 3.8 V6 GAS
- Push switch plunger completely into switch housing, this zeros out switch adjustment so it can automatically reset to correct dimension,Fig. .
- Slowly pull arm back, out of switch housing past detent point.At this point it should be impossible to reattach arm to pin unless brake pedal is f...
CLICK HERE TO GET FULL ACCESS TO 1991 Mercury Sable BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
DISC BRAKES, FORD MOTOR CO. -> General Information -> GENERAL PRECAUTIONS
Vehicle: 1991 Mercury Sable 3.8 V6 GAS
- Grease or any other foreign material must be kept off the caliper, surfaces of the disc and external surfaces of the hub, during service procedures. Handling the brake disc and caliper should be done in a way to avoid deformation of the disc and nicking or scratching brake linings.
- If inspection reveals rubber piston seals are worn or damaged, they should be replaced immediately.
- During removal and installation of a wheel assembly, exercise care so as not to interfere ...
CLICK HERE TO GET FULL ACCESS TO 1991 Mercury Sable BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
ANTI-LOCK BRAKES, FORD MOTOR CO. -> Sable/Taurus & Town Car, 1990-91 Continental -> COMPONENT REPLACEMENT -> 1990 TOWN CAR -> 1990-91 CONTINENTAL -> 1991 TOWN CAR -> ELECTRONIC CONTROL UNIT -> EXCEPT TOWN CAR -> FRONT SPEED INDICATOR RING, REPLACE -> FRONT WHEEL SENSOR, REPLACE -> HYDRAULIC CONTROL UNIT, REPLACE -> Installation -> PEDAL TRAVEL SWITCH, REPLACE -> REAR SPEED INDICATOR RING, REPLACE -> REAR WHEEL SENSOR, REPLACE -> Removal -> SABLE & TAURUS -> TOWN CAR
Vehicle: 1991 Mercury Sable 3.8 V6 GAS
HYDRAULIC CONTROL UNIT, REPLACE
- On Taurus SHO models, disconnect battery ground cable, then remove ECU and mounting bracket from hydraulic control unit (HCU).
- On all models except Taurus SHO, disconnect battery cables and remove battery and tray.
- Remove plastic pushpins holding acid shield to HCU mounting bracket, then remove acid shield,Fig. .
- On all models, disconnect 19-pin connector from HCU wiring harness, then disconnect 4-pin connector from HCU motor pump relay.
- Remove two tubes from inlet ports and four tubes from outlet ports of HCU, then plug each port to preven...
CLICK HERE TO GET FULL ACCESS TO 1991 Mercury Sable BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Mercury Sable AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Mercury Sable cars and light trucks from 1990+.
ANTI-LOCK BRAKES, FORD MOTOR CO. -> Sable/Taurus & Town Car, 1990-91 Continental -> DIAGNOSIS & TESTING -> DIAGNOSTIC LAMP SYMPTOM CHART -> DIAGNOSTIC TESTS -> Electronic Controller -> Fluid Level Indicator, Pedal Travel Switch & Pump Motor -> Memory Erasing -> On Board Self-Test Procedure -> ON-BOARD SELF-TEST -> PRE-TEST CHECKS -> QUICK TEST CHECKS -> Solenoid Valve -> Star Tester Connection & Battery Check -> Wheel Sensor -> WIRING DIAGRAMS
Vehicle: 1991 Mercury Sable 3.8 V6 GAS
Ensure the following diagnosis procedures are used in the sequence and step-by-step order indicated. Following the wrong sequence or bypassing steps will only lead to unnecessary replacement of system components and/or incorrect resolution of the problem. The diagnostic procedure consists of five sub-tests: Pre-test Checks, On-Board Self-Tests, Manual Quick Tests, Warning Lamp Symptom Chart and the Diagnostic Tests.
WIRING DIAGRAMS
Refer to "Wiring Diagrams" in "Vehicle Systems" for the ABS wiring circuits, when performing following diagnostic procedures.
PRE-TEST CHECKS
- Verify ...
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