Toyota Tacoma manuals

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.

(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification.

(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

*a

Standard Width

Standard width:

1.1 to 1.5 mm (0.0433 to 0.0591 in.)

(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.

(a) Using a 45° cutter, resurface the valve seat so that the valve seat width is more than the specification.

(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

*a

Standard Width

Standard width:

1.3 to 1.7 mm (0.0512 to 0.0669 in.)

(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 ...

Cylinder Head Gasket
...

Other materials:

Precaution
PRECAUTION 1. IGNITION SWITCH EXPRESSION (a) The type of ignition switch used on this model differs depending on the specifications of the vehicle. The expressions listed in the table below are used in this section. Expression Ignition Switch (Position) Engine S ...

Lost Communication With ECM/PCM "A" Missing Message (U010087,U010487,U012287)
DESCRIPTION The ECM communicates with each sensor and ECU via CAN communication. If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored. DTC No. Detection Item DTC Detection Condition Troubl ...

Distance Control Switch Circuit
DESCRIPTION The distance control switch is used to set the distance for vehicle-to-vehicle distance control mode. The distance control switch is installed in the steering pad switch assembly. The vehicle-to-vehicle distance set value can be changed by operating the steering pad switch assembl ...

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