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:

Air Conditioning Compressor Magnetic Clutch Circuit
DESCRIPTION When the air conditioning amplifier assembly is turned on, a magnetic clutch on signal is sent from the MGC terminal of the air conditioning amplifier assembly. Then, the MG CLT relay turns on to operate the magnetic clutch assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NO ...

Inspection
INSPECTION PROCEDURE 1. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY (a) Using a vernier caliper, measure the brush length. Text in Illustration *a Length Standard exposed length: 9.5 to 11.5 mm (0.374 to 0.453 in.) Minimum ex ...

System Description
SYSTEM DESCRIPTION 1. FRONT PASSENGER OCCUPANT CLASSIFICATION SYSTEM (a) General Description (1) The front passenger occupant detection ECU determines whether the front passenger seat is occupied by an adult or child (with child seat) or is unoccupied, based on the load that is applied to the ...

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