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cicastol
Derapados Ignorant Member

Città: Mi ovest

2153 Messaggi

Inserito il - 11 dic 2004 : 12:05:15

Ho trovato in rete un po' di info a questo riguardo ecco:

I have a 2001 Astra SRi with the 2.2L (Z22SE) engine.
I know that this engine is also used in the Vectra and VX220
I understand that there have been some issues with the timing chain breaking on this engine due to poor lubrication of the timing chain.
Apparently a modified tensioner and lubrication nozzle have been introduced into production as of March 2002 to rectify this possible problem.
Are there any signs or symptoms that I need to watch out for which would indicate that the timing chain is about to break?

>At best they may be able to measure the chain for stretch/check for wear and see if it's within allowable limits. Timing chains normally break very quickly with no warning of failure.

The cause of the chain snapping is due to lack of lubrication due to the chain spray jet blocking up. The jet is a tiny plastic jet with a pin pr1ck (Sorry - won't allow me to use correct grammar!!!) hole in it located near the simplex chain guide at the lower half of the block.
Vauxhall have concerns with the oil filter breaking up and sometimes blocking this jet

At the moment there is a recall on these engines - which involves changing the chain, tensioner, guides, cam sprockets and oil jet etc

Caxxo bisogna cambiare un mucchio di cose altro che solo il tensionatore!!!

cicastol
Derapados Ignorant Member

Città: Mi ovest

2153 Messaggi

Inserito il - 11 dic 2004 : 12:19:20

e ancora:

Field Remedy: 1532

Subject
Engine - Broken Timing Chain

Models
Astra G 2000-2002
VX220 2000-2002
Speedster 2000-2002
Zafira 2000-2002
Vectra B 2000-2001
Vectra C 2002

Engines
Z22SE

Complaint
Engine damaged by broken timing chain.

Cause
Missing or unsufficient lubrication of the timing chain.

Production
Modified tensioner and lubrication nozzle have been introduced in production as of the following engine-No: 11065400 (March 2002).

Remedy
In case of customer complaint please use for necessary repair the timing chain kit (Part/Cat.-No. 12577385 / 5636400). This kit contains the modified timing chain and tensioner.

In compenso una risposta tranquillizzante:

Lets make one thing clear here, yes Holden does know of the possible failure of the timing chain and yes there are modified parts to rectify motors that are "noisy" with the noise emitting from the drive chain..For a chain to break it would have been making one hell of a rattle for a very long time and I can quarantee you the driver will be aware of the situation. Here in Australia we have not seen a timing chain snap due to the cause of a fault with the lubrication. Your Holden retailer will advise you accordingly if you have a noise coming from your drive chain and I am sure they will be more than happy to replace it if there is a noise from the motor-especially a timing chain rattle.
Regards GMTECH

Modificato da - cicastol in data 11 dic 2004 12:23:10

dgwolf
Mangia Autovelox

Regione: Italy
Città: Bologna

111 Messaggi

Inserito il - 11 dic 2004 : 16:58:34

ODDDDDDDDDDDIOOOOOOOOOO !!!!!!
IL MIO MOTORE è IL N°11008116 !!!!!!!!!!!!! COME FACCIO A SAPERE SE è STATA FATTA LA MODIFICA ? ACHI CHIEDO ? SE NON è STATA FATTA DEVO PAGARE ???? O ME LA FANNO GRATIS ?

Modificato da - dgwolf in data 11 dic 2004 17:13:07

Map21
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