Volkswagen ID.4: Rear cross panel
Assembly overview - rear apron
- Rear apron
- ⇒ Rep. gr. 53; Renewing
rear apron
- Cross panel separating
cuts
- Bonded area

Renewing rear apron
WARNING
Gases/vapours hazardous to health are generated when
welding, soldering or cutting using tools which produce sparks
in foam-treated areas.
- Do not weld, solder or cut closer than 15 mm to moulded
foam inserts.
- Use an extraction system during work.
NOTICE
If separating cuts are made too deep, underlying reinforcement
could be damaged.
- Only make separating cuts with body saw.
- Rewelding of reinforcements is not permitted due to safety
reasons.
NOTICE
If welds are positioned too far on outside, strength could be
impaired
- RP weld points must be placed as far as possible from
outer edge of welding flange.
NOTICE
If adhesive is applied prematurely, bond could be impaired
- New part must be welded in within 90 minutes.
Observe safety information ⇒ Rep. gr. 00; Safety information
Only tools and workshop equipment authorised by Volkswagen
AG may be used ⇒ 2.1
Removing
Rear cross member removed ⇒ Rep. gr. 53; Renewing rear
cross member.

- Detach support of sealing channel -2- from rear cross panel
-1-.
- Remove rear apron -1-.
- Remove remaining material.

- Completely remove remaining adhesive.
- Grind bonding surfaces and welding surfaces back to bare
metal and clean.
Installing
- For allocation of 2-pack body adhesive, see ⇒ Electronic
parts catalogue (ETKA)
Important
New parts must be adapted and attached with the vehicle
standing on its wheels or straightening bracket set.
- Grind welding surfaces and bonding surfaces on new part
-1- down to bare metal and clean

- Apply 2-component body adhesive to entire surface.

- Adapt new part -1- to fit and fix in position

- Check fit with add-on parts.
- Realign detached area of support on sealing channel -2-.
- Weld in new part -1- (RP spot weld seam and SG plug weld
seam).
- Install rear cross member ⇒ Rep. gr. 53; Renewing rear
cross member.
Volkswagen ID.4 (E21) 2021-2026 Service Manual
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