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General Information => FAQ/Tech Tips/Please Read First => Topic started by: the caveman on February 08, 2009, 11:44:31 am

Title: Swirl chambers and head gaskets.
Post by: the caveman on February 08, 2009, 11:44:31 am

I just found a technical bulletin from Nov 1994 which states that on an AAZ when changing from a fiber HG to a metal one, the swirl chambers must be replaced. It then says to just knock out the old ones, clean the surface and tap in the new ones with a soft hammer  :(  . After check how much it protrudes- spec being no more than .07 mm. If more replace, the head . I know it's all a bit silly, but i threw it out for anyone who may care. :cry:

Title: Swirl chambers and head gaskets.
Post by: myke_w on April 22, 2009, 03:25:13 pm

holy hell! really?

does it have part numbers in it?

Could you post it?

This is really bizzare considering taking them out and not securing them back in seems to lead to the dreaded pre-chamber breakdance.

Title: Swirl chambers and head gaskets.
Post by: the caveman on April 22, 2009, 07:22:37 pm

If i can find someone with a scanner,i will try, but it's basically what i said. Back in the day when we received it, me and the service manager [he had been a mechanic for 30 years] looked at each other and laughed.

Title: Swirl chambers and head gaskets.
Post by: burn_your_money on April 22, 2009, 08:21:37 pm

If you have a camera even snapping a picture would be cool.

Or the Service Bulletin number

Title: Re: Swirl chambers and head gaskets.
Post by: RabbitJockey on June 09, 2009, 10:02:34 pm

when i had my old rabbits head off the pre chambers could be removed by blow compressed air in the chamber, the car still runs fine.

Title: Re: Swirl chambers and head gaskets.
Post by: the caveman on August 19, 2009, 08:09:12 pm

If anybody still cares it's tech bulletin 15-94-02