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:
Check Bus 3 Line for Short to GND
DESCRIPTION
There may be a short circuit between one of the CAN bus lines and GND when there
is no resistance between terminal 6 (CA3H) of the central gateway ECU (network gateway
ECU) and terminal 4 (CG) of the DLC3, or terminal 21 (CA3L) of the central gateway
ECU (network gateway ECU) and ...
Washer Nozzle
Components
COMPONENTS
ILLUSTRATION
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT WASHER NOZZLE SUB-ASSEMBLY
(a) Operate the washer nozzle sub-assembly and check the position that the washer
fluid hits the windshield.
Standard:
Washer fluid hits the windshield gla ...
Freeze Frame Data
FREEZE FRAME DATA
1. FREEZE FRAME DATA
(a) When a DTC is stored, the 4 wheel drive control ECU stores the current vehicle
state as Freeze Frame Data.
HINT:
Freeze Frame Data at the time a DTC is stored:
When the 4 wheel drive control ECU stores data at the time a DTC is stored, no
updates w ...
