6589-1. Specifications
HIGHLANDER_U
Cooling system
Capacity
(Reference)
2.7 L 4-cylinder
(1AR-FE)
engine10.7 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
Make2.7 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 pl ug gap.
