Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Symptom

Suspected Area

See page

Low pedal or spongy pedal

Fluid leakage in brake system

-

Air in brake system (for Hydraulic brake booster)

Air in brake system (for Vacuum brake booster)

Piston seal (Worn or damaged)

Cylinder cup

Rear brake (Shoe clearance out of adjustment)

Brake master cylinder (Faulty) (for Vacuum brake booster)

Hydraulic brake booster (Faulty) (for Hydraulic brake booster)

Booster push rod (Out of adjustment) (for Vacuum brake booster)

Brake drag

Brake pedal free play (Minimum)

Parking brake pedal travel (Out of adjustment)

Parking brake wire (Sticking)

Rear brake (Shoe clearance out of adjustment)

Pad (Cracked or distorted)

Brake shoe (Cracked or distorted)

Front disc brake piston

Piston (Stuck)

Front disc brake piston (Frozen)

Piston (Frozen)

Tension or return spring (Faulty)

Booster push rod (Out of adjustment) (for Vacuum brake booster)

Booster system (Vacuum leakage) (for Vacuum brake booster)

Brake master cylinder (Faulty) (for Vacuum brake booster)

Hydraulic brake booster (Faulty)

Brake pull

Front disc brake piston (Stuck)

Piston (Stuck)

Pad (Oily)

Brake shoe (Oily)

Front disc brake piston (Frozen)

Piston (Frozen)

Front disc (Scored)

Pad (Cracked or distorted)

Brake shoe (Cracked or distorted)

Firm pedal but braking inefficient

Fluid leakage in brake system

-

Air in brake system (for Hydraulic brake booster)

Air in brake system (for Vacuum brake booster)

Pad (Worn)

Brake shoe (Worn)

Pad (Cracked or distorted)

Brake shoe (Cracked or distorted)

Rear brake (Shoe clearance out of adjustment)

Pad (Oily)

Brake shoe (Oily)

Pad (Glazed)

Brake shoe (Glazed)

Front disc (Scored)

Booster push rod (Out of adjustment) (for Vacuum brake booster)

Booster system (Vacuum leakage) (for Vacuum brake booster)

Noise from brakes

Pad (Cracked or distorted)

Brake shoe (Cracked or distorted)

Installation bolt (Loose)

Front disc (Scored)

Pad (Dirty)

Brake shoe (Dirty)

Pad (Glazed)

Brake shoe (Glazed)

Tension or return spring (Faulty)

Anti-squeal shim (Damaged)

Shoe hold-down spring (Damaged)

Precaution
PRECAUTION 1. Necessary care must be taken to replace each part properly as it could affect the brake system performance. This could cause driving hazards. Replace each part with an identical par ...

Front Brake
...

Other materials:

Inner Rear View Mirror
Components COMPONENTS ILLUSTRATION ILLUSTRATION Calibration CALIBRATION 1. SELECT COMPASS DISPLAY MODE (a) The compass switch allows you to select the Display or Non-display mode of the compass. *1 Compass Switch / EC Control Switch 2. PERFORM CALI ...

Washer Motor
Components COMPONENTS ILLUSTRATION On-vehicle Inspection ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY HINT: This check should be performed with the windshield washer motor and pump assembly installed to the windshield washer jar assembly. ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART TOUCH SELECT 2-4 AND HIGH-LOW SYSTEM DTC Code Detection Item See page P163B 4WD ECU Malfunction P17A0 Automatic Disconnecting Differential Motor Control Circuit Open ...

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