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Volkswagen Golf Service & Repair Manual: Pre-treatment of bonded surfaces when renewing laser-welded roofs

Volkswagen Golf Service & Repair Manual / General information, paint / General notes / Pre-treatment of bonded surfaces when renewing laser-welded roofs

Using P180-grade sandpaper, dry-sand cathodic dip primer on bonding surface for roof → Item down to bare metal.
 

Pre-treatment of bonded surfaces when renewing laser-welded roofs

–  Using P180-grade sandpaper, dry-sand bonding surface for roof pillars → Item down to bare metal.
  Note
Prime any bare metal surfaces outside the bonding surface → Item using 2-pack wash primer -LHV 043 000 A2-, and then apply 2-pack HS Performance surfacer.
–  Clean bonding area using silicon remover.
–  Renew roof → Body - centre, roof, frame; Rep. gr.51.
 

Pre-treatment of bonded surfaces when renewing laser-welded roofs

Pre-treatment of bonded surfaces when renewing laser-welded roofs

1 -  2-pack glass adhesive
2 -  Roof
3 -  Glass and paint primer
4 -  2-pack body adhesive
5 -  Roof pillar/side panel
6 -  Area sanded down to bare metal
Instructions for work on underbody and stone chip protection
  Note   The structure of the underbody and stone chip protection is to be reconstructed to conform to the original condition in appearance an ...

Corrosion protection measures for wing surface in contact with wheel housing liner
  Note   The corrosion protection measure is to be carried out in the groove of the wing of all new replacement parts which have not had the additional sealant applied ...

Other materials:

Checking fuel delivery rate, vehicles with four-wheel drive
Special tools and workshop equipment required Removal wedge -3409- Remote control for V.A.G. 1348 -V.A.G 1348/3A- Multimeter e.g. hand-held multimeter -V.A.G 1526E- Test instrument adapter/DSO (5-pin) -VAS 5565- ...

Repairs to CAN bus wiring
  An unshielded two-wire line -1- and -2- with a cross section of 0.35 mm2 or 0.5 mm2 is used for CAN bus wiring. The colour codes of the CAN bus wiring can be gleaned from the following table:   ...

Removing and installing camshaft control valve 1 -N205- and exhaust camshaft control valve 1 -N318-
  Note On engines with codes CMBA, CPVA, CXSA, CZCA and CPVB, only camshaft control valve 1 -N205- is installed. Removing Inlet camshaft control valve 1 -N205- –  Disconnect ele ...

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