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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, 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...

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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 -> GENERAL INFORMATION -> BRAKE SYSTEM BLEED -> CALIPER -> Cylinder Body -> INSPECTION -> Piston -> PROPORTIONING VALVE -> ROTOR -> Runout -> Surface -> Thickness
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

BRAKE SYSTEM BLEED

  • Observe following precautions when bleeding brake system.
    • Carefully monitor brake fluid level at master cylinder during bleeding procedure.
    • Fill reservoir with new Dot 3 brake fluid.
    • Ensure fluid level is full at all times.
  • Connect a transparent vinyl tube to air bleeder valve.
  • Fully depress brake pedal several times.
  • With brake pedal depressed, open air bleeder valve to release air.
  • Release brake pedal slowly.
  • Repeat steps 3 through 5 until clear brake fluid comes out of air bleeder valve.
  • On models less ABS, bleed system in following order:
    • Left rear caliper.
    • Right ...

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, DISC BRAKES -> TIGHTENING SPECIFICATIONS -> G20 -> M30 & Q45
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

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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 -> 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, HYDRAULIC BRAKE SYSTEM -> BRAKE BLEEDING
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS

Do not spill brake fluid on painted surfaces, it may cause damage to the paint. If brake fluid is spilled, wash immediately with water.

  • Place container under master cylinder to avoid spillage, then fill master cylinder with brake fluid.
  • Connect hose to bleeder valves, then depress brake pedal several times.
  • With pressure applied to pedal open bleeder valve to release air trapped in system.
  • Close bleeder, then release pedal slowly.
  • R...

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

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Click here to view more details about 2001 Infiniti Q45 Shock and Strut Mount, Front2001 Infiniti Q45 Shock and Strut Mount, Front, Optimizes Suspension And Steering Performance, Can Improve Handling, Alignment, Braking, And Steering, Reduces Squeaks, Rattles, And Vibration Noise, Built With Design And Quality That Matches Or Exceeds OE, Includes Bearing, With KYB's Limited One Year Warranty.

Source: Auto Body Parts Store

$60.26

Click here to view more details about 1996 Infiniti Q45 Starter1996 Infiniti Q45 Starter, 12 V, 8 Teeth, 1.7 KW, Clockwise Rotation, PMGR Starter Type, Uses Only New Components, Meets Or Exceeds All OEM Specifications, With NSA's Limited 2-Year Warranty.

Source: Auto Body Parts Store

$112.71

Click here to view more details about 2004 Infiniti Q45 17" x 7.5" Alloy Wheel Take-Off2004 Infiniti Q45 17" x 7.5" Alloy Wheel Take-Off, Alloy Wheel; 17 X 7.5; 6 Spokes; 5 Lug; 4.5 Inch BP; Aftermarket Chrome, , .

Source: Wheels / Rims, Mirrors & Lights Store

$211.45

Click here to view more details1996 Infiniti Q45 V8, 4.5 L, 4494 CC Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

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Click here to view more details2003 Infiniti Q45 Used Rear Vent Window, Driver Side, AMT, Very Good.

Source: Used Auto Parts Store

$152.00

Click here to view more details1997 Infiniti Q45 Used Cooling Fan Assembly, FAN ASSM; 6 BLADE, Very Good.

Source: Used Auto Parts Store

$161.00
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