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Component Locator > < Attaching parts to cylinder head, remove and install

Corsa C

Cylinder head - Z 10 XEP, Z 12 XE and Z 14 XEP engines

The lower valve spring plate in the cylinder head is omitted in the above-mentioned 2nd generation engines.

An optimised cylinder head design guarantees the centring and seat of the valve spring in the cylinder head, rather than the lower valve spring plate.

This must still be installed when service work is performed on engines with a lower valve spring support.

Cylinder head sectional view

Object Number: 3446835 Size: DEFAULT

I

New version

II

Old version

1

Lower valve spring centring

3

Lower valve spring plate

2

Valve guide

    

Differentiation feature

The blank part number (1) of the cylinder head serves as a differentiation feature. It is integrally cast onto the exhaust side of the cylinder head.

Object Number: 3446816 Size: DEFAULT

 

Blank part number comparison

Engine identifier

Valve spring support

Blank part number

Part number

Z 10 XEP

with

55 351 330

24 469 164

without (new)

55 355 431

55 355 424

Z 12 XE

with

90 400 234

55 351 307

without (new)

55 355 432

55 355 426

Z 14 XEP

with

55 351 328

24 469 157

without (new)

55 355 430

55 355 425

Component Locator > < Attaching parts to cylinder head, remove and install