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) |
|
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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:
Transmitter Battery(w/ Smart Key System)
Replacement
REPLACEMENT
CAUTION / NOTICE / HINT
NOTICE:
Take extra care when handling these precision electronic components.
PROCEDURE
1. REMOVE TRANSMITTER BATTERY
(a) Push the release hook knob and extract the mechanical key as shown
in the illustration.
Text in Illustra ...
Fuel information
Your vehicle must use only unleaded gasoline.
Select octane rating 87 (Research Octane Number 91) or higher. Use of unleaded
gasoline with an octane rating lower than 87 may result in engine knocking. Persistent
knocking can lead to engine damage.
At minimum, the gasoline you use should meet t ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
If a problem occurs in certain locations or at certain times of day,
check for the possibility of wave interference.
When the electrical key transmitter sub-assembly is brought near the
electrical key and TPMS receiver assembly (RF band), front outs ...
