Bypass Thermostat Assembly Overview
WARNING: This page is about a different car, the 2008 Volkswagen Jetta, 2008 Volkswagen GLI, 2007 Volkswagen Jetta, and 2006 Volkswagen Jetta. However, it is still accessible from the selected car via links, so may be relevant.
- Retaining clip
- Lower part of housing
- Operating element
- Spring
- Ring
- Upper part of housing
Bypass Thermostat Checking
-- Remove the operating element, refer to "Operating element" under: BYPASS THERMOSTAT ASSEMBLY OVERVIEW .
-- 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
Bypass thermostat for the transmission oil coolant circuit:
- Arrow on bottom part of the thermostat points to the heater unit heat exchanger.
Bypass thermostat for the turbocharger coolant circuit:
- Arrow on bottom part of housing points to coolant pump.