Field Remedy: 2212
Subject: |
Engine Z16XER, Z18XER - Camshaft bearing
bridge leaky |
Models: |
Engines: |
Option: |
Astra-H 2005.......,Zafira-B
2005.......,Vectra-C 2005.......,Signum 2005....... |
Z16XER| Z18XER,Z18XER,Z18XER,Z18XER |
|
Complaint: |
Oil leakage at camshaft bearing bridge. |
Cause: |
Insufficient sealing between camshaft
bearing bridge and cylinder head and/or damaged camshaft seal
rings. |
Production: |
As of engineno.: 20JK2420 (04.01.2007) an
improved production process has been introduced. |
Remedy:
In case of customer complaint the camshaft bearing bridge has to be
removed and re-installed with new sealing compound. Due to this
operation the camshaft seal rings have to be replaced as well.
Note: Ensure that Customer Satisfaction Program 07-R-011 has been
performed before.
Working Procedure:
1. Remove rear toothed belt cover
Astra-H - Z16XER/Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Astra-H.
(Document Number 01401283)
Zafira-B - Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Zafira-B.
(Document Number 01401649)
Vectra-C/Signum - Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Vectra-C/Signum.
(Document Number 01401885)
2. Remove camshaft bearing bridge (Picture I)
- unscrew 4x bolts
- note removal sequence 1 - 4.
- release bearing bridge by striking it gently with a
plastic hammer
3. Clean sealing surfaces of camshaft bearing bridge and cylinder
head with a suitable tool, e.g. plastic wedge (Picture II)
- free oil duct (arrow) from any sealant residue
Important:
Sealing surfaces must be free from oil and grease!
4. Apply surface sealant (green) to sealing surfaces (arrows) of the
camshaft bearing bridge thinly and evenly (Picture III)
Note:
The grooves (1) adjacent to the sealing surfaces must remain free
from sealant.
Important:
It is essential to ensure that no sealant is applied outside the
marked sealing areas!
5. Position camshaft bearing bridge on cylinder block and tighten
bolts hand-tight (approx. 2 Nm )
6. Install 2x camshaft seal ring (Picture IV)
- tighten seal ring with KM-422 (3) on camshaft until this is in
contact with the cylinder head
- to install, use camshaft sprocket bolt (1) in conjunction
with shims (2) with a total thickness of approx. 10 mm
- remove KM-422
7. Attach camshaft bearing bridge (Picture V)
Important:
No sealant may reach the camshafts!
- place bearing bridge in position
- tighten 4x bolt 8 Nm
- note installation sequence 1-4
8. Insert KM-6628
- turn intake camshaft against direction of engine rotation
- insert KM-6628
- turn exhaust camshaft in direction of engine rotation
- insert KM-6628
9. Install rear toothed belt cover
Astra-H - Z16XER/Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Astra-H.
(Document Number 01401283)
Zafira-B - Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Zafira-B.
(Document Number 01401649)
Vectra-C/Signum - Z18XER:
- see working procedure "Remove rear toothed belt cover",
group "J", Service Instruction Vectra-C/Signum.
(Document Number 01401885)
Spare-Parts:Part-No.:Catalogue-No.:
Surface sealant9054211415 03 170
Seal ring camshaft (2x)555633746 36 930
Labour Times:TC:Hours:
All Models:
U3 221 20Seal camshaft bearing922.6
bridge
The costs for this repair will be covered during the normal warranty.
The regular warranty procedure should be used for claiming Set-up-time.
FunctionalGroup: |
J - Engine |
Complaint Group: |
10 - Leakages |
Trouble Code: |
None |
|