User Manual - Page 657

For 2018 Highlander.

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656
9-1. Specifications
HIGHLANDER_U (OM0E031U)
Cooling system
Capacity
(Reference)
2.7 L 4-cylinder
(1AR-FE)
engine
10.7 qt. (10.1 L, 8.9 Imp. qt.)
3.5 L V6 (2GR-
FKS) engine
Vehicles without the Stop & Start sys-
tem
12.9 qt. (12.2 L, 10.7 Imp. qt.)
Vehicles with the Stop & Start system
13.0 qt. (12.3 L, 10.8 Imp. qt.)
Coolant type
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.
Ignition system
Spark plug
Make 2.7 L 4-cylinder (1AR-FE) engine
DENSO SK16HR11
3.5 L V6 (2GR-FKS) engine
DENSO FK20HBR8
Gap
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)
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
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