ATF heater

Description and Operation

Description

• Engine coolant is used to circulate heat to warm up and cool the transmission fluid.

• Quickly raises the transmission fluid temperature during initial cold engine start-up.

• Prevents overheating of the transmission fluid during vehicle operation.

• Warming and cooling of the transmission fluid can be performed by a single system.

Components and Component Location

Component Location

Repair Procedures

Removal

1. 1

   Remove the under cover.

   (Refer to Engine Mechanical System - "Under Hood Compartment").

2. 2

   Place a jack under the transmission, then slowly lower the jack after loosening the crossmember mounting bolts (A).

   [2WD]

   Tightening torque: 58.8–74 N·m

   

   [4WD]

   Tightening torque: 58.8–74 N·m

   

3. 3

   Disconnect the coolant hose (A) and remove the ATF heater (B) after loosening the bolts.

   Tightening Torque: 9.8–11.8 N·m

   

Installation

1. 1

   Install in the reverse order of removal.

2. 2

   Fill the automatic transmission with fluid.

   (Refer to Hydraulic System - "Fluid")

3. 3

   Fill the engine cooling system radiator with coolant.

   (Refer to Engine Mechanical System - Engine Coolant)