Toyota Tacoma (2015-2018) Service Manual: Repair
REPAIR
PROCEDURE
1. REPAIR INTAKE VALVE SEATS
NOTICE:
- Repair the intake valve seat while checking the seating position.
- Keep the lip free of foreign matter.
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(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification. |
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(b) Using 30° and 60° cutters, correct the valve seat so that the intake valve contacts the entire circumference of the seat. The contact should be in the center of the intake valve seat, and the intake valve seat width should be maintained within the specified range around the entire circumference of the intake valve seat. Text in Illustration
Standard width: 1.1 to 1.5 mm (0.0433 to 0.0591 in.) |
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(c) Hand-lap the intake valve and intake valve seat with an abrasive compound.
(d) Check the intake valve seating position.
2. REPAIR EXHAUST VALVE SEATS
NOTICE:
- Repair the seat while checking the seating position.
- Keep the lip free of foreign matter.
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(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification. |
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(b) Using 30° and 75° cutters, correct the exhaust valve seat so that the exhaust valve contacts the entire circumference of the seat. The contact should be in the center of the exhaust valve seat, and the exhaust valve seat width should be maintained within the specified range around the entire circumference of the exhaust valve seat. Text in Illustration
Standard width: 1.3 to 1.7 mm (0.0512 to 0.0669 in.) |
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(c) Hand-lap the exhaust valve and exhaust valve seat with an abrasive compound.
(d) Check the exhaust valve seating position.
Reassembly
REASSEMBLY
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the cylinder head sub-assembly
or cylinder head LH (See page ).
PROCEDURE
1. INSTALL SPARK ...
Other materials:
System Description
SYSTEM DESCRIPTION
1. GENERAL
(a) This system uses ultrasonic sensors to detect any obstacles at the corners
and the rear of the vehicle. The system then informs the driver of the distance
between the sensors and an obstacle as well as their positions by indicating them
on the multi-informat ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
NOTICE:
In the table below, the values listed under "Normal Condition" are reference
values. Do not depend solely on these reference values when deciding whether a part
is faulty or not.
HINT:
Using the Techstream to read the Data List allows t ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Trouble Codes.
(e) Check for DTCs.
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
( ...
