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 |
|---|---|---|
|
Hard steering |
Tires (Improperly inflated) |
|
|
Power steering fluid level (Low) |
|
|
|
Drive belt (Loose) (2TR-FE) |
|
|
|
Drive belt (Loose) (2GR-FKS) |
|
|
|
Front wheel alignment (Incorrect) |
|
|
|
Steering system joints (Worn) |
- |
|
|
Suspension arm ball joints (Worn) |
|
|
|
Steering column (Binding) |
- |
|
|
Vane pump (2TR-FE) |
|
|
|
Vane pump (2GR-FKS) |
|
|
|
Power steering link (2TR-FE) |
|
|
|
Power steering link (2GR-FKS) |
|
|
|
Poor return |
Tires (Improperly inflated) |
|
|
Front wheel alignment (Incorrect) |
|
|
|
Steering column (Binding) |
- |
|
|
Power steering link (2TR-FE) |
|
|
|
Power steering link (2GR-FKS) |
|
|
|
Excessive play |
Steering system joints (Worn) |
- |
|
Suspension arm ball joints (Worn) |
|
|
|
Intermediate shaft, Sliding yoke (Worn) |
- |
|
|
Front wheel bearing (Worn) |
|
|
|
Power steering link (2TR-FE) |
|
|
|
Power steering link (2GR-FKS) |
|
|
|
Abnormal noise |
Power steering fluid level (Low) |
|
|
Steering system joints (Worn) |
- |
|
|
Vane pump (2TR-FE) |
|
|
|
Vane pump (2GR-FKS) |
|
|
|
Power steering link (2TR-FE) |
|
|
|
Power steering link (2GR-FKS) |
|
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Precaution
PRECAUTION
1. HANDLING PRECAUTIONS FOR STEERING SYSTEM
(a) Care must be taken when replacing parts. Incorrect replacement could affect
the performance of the steering system and result in driving ...
Other materials:
Automatic Disconnecting Differential Motor Limit Switch Circuit (P17A4)
DESCRIPTION
When the A.D.D. actuator switches between 2WD and 4WD, the DL1 and DL2 terminals
of the limit switch and ADD terminal of the A.D.D. position switch change to one
of the following ON/OFF combinations listed in the table below.
Terminal
In 2WD
Switchi ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT CYLINDER HEAD SUB-ASSEMBLY
(a) Using a precision straightedge and feeler gauge, measure the warpage of the
contact surfaces where the cylinder head contacts the cylinder block sub-assembly
and manifolds.
Text in Illustration
*a
Intake S ...
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
NOTICE:
When installing the hood bulge protector, heat the hood bulge surface
using the infrared light.
Do not heat the hood bulge excessively.
Item
Temperature
Hood Bulge
...
