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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, HYDRAULIC BRAKE SYSTEM -> PROPORTIONING VALVE -> INSPECTION
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

INSPECTION

  • On ABS models, disconnect harness connectors from ABS actuator.
  • On all models, connect brake fluid pressure tool No. KV991V0010 or equivalent to air bleeder of front and rear brakes on either LH or RH side. Fig. .
  • Bleed air from tool.
  • Depress brake pedal and compare pr...

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, 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, HYDRAULIC BRAKE SYSTEM -> MASTER CYLINDER REPLACEMENT -> ASSEMBLY -> DISASSEMBLY -> G20 -> INSPECTION -> M30 & Q45 -> MASTER CYLINDER OVERHAUL
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, master cylinder attaching nuts, then master cylinder.
  • Reverse procedure to install noting the following:
    • Torque master cylinder attaching nuts to 5.8-8.0 ft. lbs.
    • Torque flare nuts to 11-13 ft.lbs.
    • Bleed air from system as outlined in "Bleeding System."

MASTER CYLINDER OVERHAUL

For exploded view of master cylinder, refer to Figs. through .

DISASSEMBLY

M30 & Q45
  • Lightly push valve into cylinder, then remove stopper, Fig....

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 -> SELF-DIAGNOSIS & TESTING -> DIAGNOSTIC TESTS -> G20 -> M30 -> Q45
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

The warning lamp on the instrument panel will come on when a problem is detected in the ABS braking system. To obtain a self diagnosing result the vehicle must be driven for at least one minute at a minimum speed of 20 mph before self diagnosis is obtained. After vehicle is stopped, the number of LED flashes is counted with the engine running, Fig. .

The LED, which is located in the control unit identifies a problem by the number of flashes, Figs and The LED and warning lamp will stay activated, even after malfunct...

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Click here to view more details about 1993 Infiniti Q45 A/C Condenser1993 Infiniti Q45 A/C Condenser, A High Quality, Direct Fit OEM Replacement A/C Condenser.

Source: Auto Body Parts Store

$97.14

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Click here to view more details about 2006 Infiniti Q45 19" X 8.5" Alloy Wheel2006 Infiniti Q45 19" X 8.5" Alloy Wheel, ALLOY WHEEL, 19 X 8.5, 5 STUDS/LUGS, 4.5" BOLT DIA, 5 DOUBLE SPOKES, HYPER SILVER, , .

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Click here to view more details2001 Infiniti Q45 V8, 4.1 L, 4130 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

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

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$123.00

Click here to view more details2001 Infiniti Q45 Used Wiper Motor Front, Very Good.

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$86.00
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