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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Infiniti Q45 car and truck repair procedures including Infiniti 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 Infiniti Q45 automobile. Try the Automotix DIY solution today!
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BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, POWER BRAKE UNITS -> DESCRIPTION
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

The vacuum assist diaphragm assembly multiplies the force exerted on the master cylinder piston in order to increase the hydraulic pressure delivered to the wheel calipers while decreasing the effort necessary to obtain acceptable stopping performance.

Vacuum assist units get their energy by opposing engine vacuum to atmospheric pressure. A piston, cylinder and f...

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BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, DISC BRAKES -> SERVICE -> Adjust -> BRAKE PAD REPLACE -> BRAKE PEDAL, ADJUST -> CALIPER -> Disassemble -> EXCEPT G20 REAR -> G20 -> G20 REAR -> M30 & Q45 -> PARKING BRAKE SHOES -> Replace
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

BRAKE PAD REPLACE

  • Raise and support vehicle, then remove master cylinder cap.
  • On Q45 models, disconnect speed sensor connector.
  • On all models, remove lower caliper mounting pin/bolt.
  • Pivot caliper upwards. Remove pad retainers and inner and outer shims. Fig. .
  • Remove brake pads.
  • Compress caliper piston with suitable C-clamp.
  • Reverse procedure to install. Torque to specifications and bleed brake system.

CALIPER

EXCEPT G20 REAR
Replace
  • Raise and support vehicle, then remove caliper mounting pins/bolts.
  • Disconnect brake hose and remove caliper.
  • Reverse procedure to install. Torque to specifications and...

CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti Q45 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, POWER BRAKE UNITS -> POWER BOOSTER REPLACEMENT
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

  • Connect tube to bleeder valve.
  • Open bleeder valve, drain fluid by depressing brake pedal until master cylinder is empty.
  • Remove brake line flare nuts, then master cylinder attaching nuts.
  • Remove clevis pin, Figs. and .
  • Remove brake booster attaching nuts, then remove booster.
  • Reverse procedure to install noting ...

CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti Q45 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, ANTI-LOCK BRAKES -> COMPONENT REPLACEMENT -> ACTUATOR -> ACTUATOR RELAYS -> G20 -> SPEED SENSORS
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

SPEED SENSORS

When replacing speed sensors refer to Figs. through .

ACTUATOR

  • Disable airbag system as outlined under "Airbag System Disarming."
  • Drain brake fluid by attaching hose to each wheel cylinder, then open each bleeder valve while depressing brake pedal.
  • Mark each brake pipe connector for proper installation.
  • Disconnect electrical connector, brake pipes, then attaching nuts.
  • Remove actuator.
  • Re...

CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti Q45 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, POWER BRAKE UNITS -> OVERHAUL
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

This unit cannot be overhau...

CLICK HERE TO GET FULL ACCESS TO 1991 Infiniti Q45 BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 Infiniti Q45 AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Infiniti Q45 cars and light trucks from 1990+.

INFINITI, POWER BRAKE UNITS -> TROUBLESHOOTING
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

  • With engine off, depress brake pedal several times. There should be no change in pedal stroke.
  • With brake pedal depressed, start engine. Pedal should go down slightly.
  • Run engine for two minutes, then turn engine off. Depress brake pedal slowly several times...

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Shop online for auto body parts, engines, wheels, lights...

Click here to view more details about 1998 Infiniti Q45 Radiator1998 Infiniti Q45 Radiator.

Source: Auto Body Parts Store

$80.20

Click here to view more details about 2006 Infiniti Q45 Antenna2006 Infiniti Q45 Antenna, 1-section mast; 470 mm extension; Stick-on; A high quality universal imitation antenna; May require modification or other adjustment to your vehicle upon installation..

Source: Auto Body Parts Store

$5.01

Click here to view more details about 2005 Infiniti Q45 18" X 8" Alloy Wheel2005 Infiniti Q45 18" X 8" Alloy Wheel, ALLOY WHEEL, 18 X 8, 5 STUDS/LUGS, 4.5" BOLT DIA, 7 SPOKES, 40MM OFFSET, AFTERMARKET CHROME, UNIVERSAL; 40MM OFFSET; WHEEL NOT A, , .

Source: Wheels / Rims, Mirrors & Lights Store

$226.45

Click here to view more details2002 Infiniti Q45 V8, 4.5 L, 4500 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

Ad Hoc

Click here to view more details2002 Infiniti Q45 Used Wiper Motor Front, Very Good.

Source: Used Auto Parts Store

$123.00

Click here to view more details1997 Infiniti Q45 Used Fan Clutch, 3.5, AUTO, RWD, Very Good.

Source: Used Auto Parts Store

$93.00
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