LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volkswagen >> 2021 >> Jetta R-Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Controls, Housing) >> 37 Controls, Housing >> ATF Circuit >> Thermostat, Removing And Installing >> Installing
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Thermostat, Removing And Installing: Installing

WARNING: This page is about a different car, the 2021 Volkswagen Tiguan, 2020 Volkswagen Tiguan, 2019 Volkswagen Tiguan, 2018 Volkswagen Tiguan Limited, and 2018 Volkswagen Tiguan. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal while noting the following:

-- Always replace the O-rings -arrow-.

GWWN37-10581Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolt -A- and the ATF lines -2- from the thermostat -1-.

-- Attach the thermostat -1- first with the bolts -B- on the transmission.

GWWN37-10580Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Attach the ATF lines -2- with new O-rings on the thermostat -1- -A-.

-- Bleed the ATF circuit. Refer to ATF CIRCUIT, BLEEDING .