Re: [AMC-list] Leak from timing chain cover

[Joe Fulton <piper_pa20@xxxxxxxxxxx>]

Wasn't the GM service bulletin about coolant leaks triggered by the poor sealing of an intake manifold (with coolant passages) in a 3.X liter V6 engine?  

Poor design.  I hate to say that about GM but nobody's perfect.

Joe Fulton
(who has had great service from a 2000 Silverado truck)


--- On Fri, 8/28/09, wrambler242@xxxxxxxxxxx <wrambler242@xxxxxxxxxxx> wrote:

> From: wrambler242@xxxxxxxxxxx <wrambler242@xxxxxxxxxxx>
> Subject: Re: [AMC-list] Leak from timing chain cover
> To: "AMC, Rambler, Nash, Jeep and family" <amc-list@xxxxxxxxxxxx>
> Date: Friday, August 28, 2009, 7:00 PM
> Just remember
> A little is good
> A lot is bad. 
> Don't keep adding tabs if the leak don't stop. 
> We actually had people plug heater cores! They were sure
> one more tab or tube would fix their leak!  
> 
> I remember seeing that or a similar bulletin from GM. It
> will indeed work on a lot of minor seepage leaks !
> 
> 
> ------Original Message------
> From: Bruce Hevner
> Sender: amc-list-bounces@xxxxxxxxxxxx
> To: amc-list@xxxxxxxxxxxx
> ReplyTo: AMC, Rambler, Nash, Jeep and family
> Subject: [AMC-list] Leak from timing chain cover
> Sent: Aug 28, 2009 9:37 PM
> 
> Before tearing things apart you might want to try just
> adding stop leak.
> Bars Leak makes stop leak "tabs" that I install behind the
> freeze plugs of
> every motor I build.
> 
> While I was working as the engine tech at a GM dealer years
> ago they sent
> out a bulletin that advised adding a couple of "GM stop
> leak tabs" ANY time
> there was any kind of cooling system repair. GM adds it at
> the factory.
> 
> I have seen this stuff stop seepage from water pump seals
> for YEARS!!
> 
> CAN'T hurt,,,, can only HELP. Cheap fix if it works.
> 
> But HEY,,, that's just ME!!
> 
> Bruce Hevner
> 
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