VW Golf Mk7 manualsGolf Mk7 / manual

Volkswagen Golf Mk7 Service & Repair Manual: Dismantling and assembling heater unit

This page notes a key difference for the Volkswagen Golf Mk7 base heater unit versus the full AC unit: it's not necessary to extract refrigerant or remove the expansion valve/evaporator — the remaining procedure otherwise matches the AC unit's.

It is not necessary to extract the refrigerant and to remove or disassemble the expansion valve and the evaporator. Further procedure is identical with procedure for vehicles with air conditioning system → Chapter.
   
Checking auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-
Checking is the same as for a vehicles with air conditioning system → Chapter.
Removing and installing auxiliary air heater element -Z35- with auxiliary air heater control unit -J604-
Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.
   
Removing and installing heat exchanger
Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.
Removing and installing baffle plate
Removal and installation are identical with procedure for vehicles with air conditioning system → Chapter.
   

    Questions & answers

    Dismantling and assembling heater unit — Volkswagen Golf Mk7

    Can the Golf Mk7 heater unit be dismantled without extracting refrigerant?
    Yes. The expansion valve and evaporator do not need to be removed for most heater-side repairs. The refrigerant circuit stays sealed.
    Assembly overview – heater unit
      Note There are different designs and makes of heater. The individual components of the various heaters are similar but not identical. The combine ...

    Air duct
    Assembly overview - air duct and air distribution in passenger compartment The assembly overview for air duct and air distribution is identical ...