Change Heater Core

[VW VR6]

DIY Change HEATER CORE in VW Golf MK3 VR6 with pictures:
So I decided to replace my heater core.
There are a lot of steps involved here but the work isn't difficult.
First disconnect negative or positive or both from batteries.
Remove radio/cd/tape player :

Carefully remove plastics around steering wheel :

Remove lower glowebox :

Remove ashtray and cigarette lighter :

Carefully remove plastic around heater/air-con control :

When you take out there is 3 plastic clips on the top and one at the bottom. You need to remove them to disconnect all cables from switches :



Carefully with screwdriver remove two small plastics parts on the right sine from stereo, and after that unscrew two bolts :

Carefully with screwdriver and fingers remove headlight euro switch and plastics with ABS and airbag lights. Disconnect all cables carefully :

[VW VR6]

Remove foam under lower glowebox. There is 2 or 4 bolts:

Carefully with screwdriver remove all 4 plastics for ventilators:

On the passenger side remove 2 bolts under plastics (next to speaker) :

Remove 4 bolts where is stereo :

Remove tacho (2 bolts) :

Remove 4 bolts under euro light switch :

[VW VR6]

Remove plastic cover around handbrake. There is 2 plustic nuts 10mm and two bolts :

For easy removing plastics just remove 2 nuts 13mm for hanbrake, but first deactivate handbrake :

Unclip all plastics with fingers or just a little bit help with screwdriver:

Remove 3 plastic nuts 10mm :

Thre bolts for removing passenger airbag :

[VW VR6]

Carefully disconect airbag. Mine connector is broken because light for airbag is on all the time :

Blue one is for plastics removing around fuses and relay, and red one for dash :

Now going outside to remove wipers 13mm and after that 2 pieces of plastics with screwdriver and fingers :

Remove 3 nuts 10mm for easy access to nuts for dashboard :

10mm nuts for dash :







Spy 10mm nuts under metal shield :

[VW VR6]

First unclip plastic which hold polen filter, and second remove 2 plastic nuts 10mm to remove all plastic. Will be surprised how many dust and rubbish around :





Red one is for dash and blue one for lower glowebox :


Carefully take out all dashboard.
You need to unclip all plastics cable holder around stereo, and 2 connectors for left and 2 connectors for right speakers :



Blu bolts is for removing metal barrier:

[VW VR6]

Disconnect air-con next to blower :

Remove metal gold clips all around (about 10 clips) to separate heater and aircon :

Unclip all cables :



Unclip vacuum hose from aircon to heater :