Bypass Thermostat Overview

Bypass Thermostat Overview






1 Retaining Clip

2 Lower Part of Housing

3 Operating Element

4 Spring

5 O-ring

6 Upper Part of Housing

Checking the Bypass Thermostat:

- Remove the operating element => [ (Item 3) Operating Element ].

- Warm the operating element in a coolant bath.

Starts to open: approximately 75 °C (167 °F).

Opening end: approximately 85 °C (185 °F).

Opens: approximately 5 mm

Bypass Thermostat Location:

The bypass thermostat for the transmission fluid cooler circuit:

Arrow on the bottom part of the thermostat points to the heater core.

The bypass thermostat for the turbocharger coolant circuit:

Arrow on the bottom part of the housing points to the coolant recirculation pump.