Date:         Thu, 12 Jan 2006 19:48:37 -0800
Reply-To:     Zoran Mladen <zmaninco@YAHOO.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Zoran Mladen <zmaninco@YAHOO.COM>
Subject:      Re: interference engines.....was Re: How much would this cost
Comments: To: Jonathan Farrugia <jfarrugi@umich.edu>
In-Reply-To:  <Pine.LNX.4.63.0601122126000.15569@galaxian.gpcc.itd.umich.edu>
Content-Type: text/plain; charset=iso-8859-1

A completely stock 2.0 ABA engine is an interference engine.  Confirmed this with a life long VW tech and have seen the results.  Apparantly you have too!!

  If was difficult to find the right answer.  When we saw the first broken timing belt on the ABA we asked a number of folks whether it was interference or not.  Most said it was not.  The VW tech said it was.  We pulled the head...no question...it is.

  But there is definitely much disagreement on this topic for the ABA.

  Z

Jonathan Farrugia <jfarrugi@umich.edu> wrote:
  16 valves interference
8 valve cis non interference
8 valve digifant non interference
8 valve ABA motronic non interference
8 valve AEG interference (introduced 1999.5)

that said a local bought a ABA that lost a belt and had bent valves but
we didn't know if the engine was completely stock. i have also heard that
the older a "close" non interference engine gets the more likely you are
to get some contact when you break a belt.

jonathan


On Thu, 12 Jan 2006, Zoran Mladen wrote:

> I beg to differ on the 2.0 liter engine...it IS an interference engine.
I have seen the timing belts break and the havoc they leave. The valves
will be bent.
>
> Z
>
> Dennis Haynes wrote:
> Actually, on the 8 valve engines, the timing belts rarely break. Usually
> they get loose due to the lack of a compensating Tensioner, and then at
> the most inopportune time, 2 or 3 teeth will shear off they go around
> the crank sprocket allowing the crank to continue turning with moving
> the belt.
>
> Dennis
>
> -----Original Message-----
> From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Tim Demarest
> Sent: Monday, January 09, 2006 12:03 PM
> To: vanagon@GERRY.VANAGON.COM
> Subject: NVC: Re: interference engines.....was Re: How much would this
> cost
>
> Thanks Chris, but now you've done it... given me an excuse to put the
> job
> off longer. Maybe I should at least move that belt from the shelf to the
> trunk of the Jetta, so I have it with me when I get stuck by the side of
> the road... :-)
>
> btw - it's the 2.0, I was waaaay too cheep to spring for the extra $4K
> to
> drive away from the showroom with with a VR6,
>
> tim.. '97 jettas wont bend valves if you break the TB. the only engine
>> offered in '97 on the mk3's was the 2.0 8v or the Vr6, neither of
> which is an
>> interference engine... i think the TDI is an interference engine,
> though...
>>
>> chris
>
>
>
>
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