Volkswagen Golf Service & Repair Manual: Supplementary heating mode

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Regulation of auxiliary and supplementary heater / Supplementary heating mode

Once the coolant temperature has reached approx. 84 °C, the control unit switches to energy-saving control mode. If the coolant temperature continues to rise above approx. 88 °C, the control unit switches to the controlled waiting period. If the coolant temperature does not drop below approx. 76 °C within 15 minutes during the controlled waiting period, the heater unit will initiate the start procedure into the standard control mode when the coolant temperature does drop below approx. 76 °C.

Functional description

The auxiliary and supplementary heater can be started by means of the remote control, the instant heating button or appropriate programming in the central monitor. Th ...

Auxiliary heater mode

Switching on auxiliary heater mode in vehicles with manual air conditioning: – Press instant heating button-1-. ...

Other materials:

Trade names and designations
Refrigerant R134a is currently available under the following trade designations: H-FKW 134a SUVA 134a KLEA 134a Note Other trade designations ...

Checking pistons and cylinder bores
Checking piston – Using a micrometre, measure approx. 10 mm from the lower edge, perpendicular to the piston pin axis. Maximum deviation from nominal dimension: 0.04 mm ...

Removing and installing rear outer belt end fitting
Removing – Unscrew bolt -1- on belt end fitting -2-. Installing The anti-rotation tab -arr ...