Ignition System - Toyota Highlander Service Manual

656
9-1. Specifications
Cooling system
Capacity
(Reference)
Coolant type

Ignition system

Spark plug
Make
Gap
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
HIGHLANDER_U (OM0E017U)
2.7 L 4-cylinder
(1AR-FE) 10.7 qt. (10.1 L, 8.9 Imp. qt.)
engine
Without towing package

12.3 qt. (11.6 L, 10.2 Imp. qt.)
3.5 L V6 (2GR-
FE) engine
With towing package

12.6 qt. (11.9 L, 10.5 Imp. qt.)
Use either of the following.
• "Toyota Super Long Life Coolant"
• Similar high-quality ethylene glycol-
based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technol-
ogy
Do not use plain water alone.
2.7 L 4-cylinder (1AR-FE) engine

DENSO SK16HR11
3.5 L V6 (2GR-FKS) engine

DENSO FK20HBR8
2.7 L 4-cylinder (1AR-FE) engine

0.043 in.(1.1 mm)
3.5 L V6 (2GR-FKS) engine

0.031 in. (0.8 mm)