Toyota Tacoma manuals

Toyota Tacoma 2015-2018 Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.

Manual Transmission System

Symptom

Suspected Area

See page

Abnormal noise

Oil level (Low)

Oil (Wrong)

-

Gear (Input shaft) (worn or damaged)

Gear (Output shaft) (worn or damaged)

Gear (Counter shaft) (worn or damaged)

Bearing (worn or damaged)

Bearing (Input shaft) (worn or damaged)

Bearing (Output shaft) (worn or damaged)

Bearing (Counter shaft) (worn or damaged)

Oil leakage

Oil level (High)

Gasket (Damaged)

O-ring (Worn or damaged)

Hard shifting or will not shift

Shift fork (Input shaft) (Worn)

Shift fork (Counter shaft) (Worn)

Synchronizer ring (Input shaft) (worn or damaged)

Synchronizer ring (Output shaft) (worn or damaged)

Synchronizer ring (Counter shaft) (worn or damaged)

Shift key spring (Input shaft) (damaged)

Shift key spring (Counter shaft) (damaged)

Jumps out of gear

Shift fork (Input shaft) (Worn)

Shift fork (Counter shaft) (Worn)

Gear (Input shaft) (worn or damaged)

Gear (Output shaft) (worn or damaged)

Gear (Counter shaft) (worn or damaged)

Bearing (Input shaft) (worn or damaged)

Bearing (Output shaft) (worn or damaged)

Bearing (Counter shaft) (worn or damaged)

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the manual transaxle system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGH ...

Diagnosis System
DIAGNOSIS SYSTEM 1. DESCRIPTION (a) To check DTCs, connect the Techstream to the Data Link Connector 3 (DLC3) of the vehicle. The Techstream displays DTCs and freeze frame data. The DTCs and fre ...

Other materials:

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE: When installing, coat the parts indicated by the arrows with power steering fluid (See page ). PROCEDURE 1. INSTALL VANE PUMP HOUSING OIL SEAL (a) Coat a new vane pump housing oil seal lip with power steering fluid. (b) Using SST and a press, in ...

Ambient Temperature Sensor Circuit (B1412/12)
DESCRIPTION The ambient temperature sensor is installed in front of the condenser to detect the ambient temperature which is used to control the air conditioning system AUTO mode. This sensor is connected to the air conditioning amplifier assembly and detects fluctuations in the ambient tempe ...

Removal
REMOVAL PROCEDURE 1. DISCONNECT TRANSMISSION WIRE (See page ) 2. REMOVE VALVE BODY OIL STRAINER ASSEMBLY (a) Remove the 3 bolts and valve body oil strainer assembly from the transmission valve body assembly. 3. REMOVE TRANSMISSION VALVE ...

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