[DML] Re: Silicon hose under the intake manifold
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[DML] Re: Silicon hose under the intake manifold

I also plan on tackling this later this month. Check out 
www.specialtauto.com. John has all the hoses available. 

I have heard that some of the bolts under the manifold have a nasty 
habit of breaking. That is my only fear; otherwise I expect the 
procedure to be straightforward. A good tip I learned on the DML is 
to be sure that you pressure test the system before you bolt the 
manifold back on. I plan on replacing the heater pipe with the 
stainless one, replace all the vacuum hoses/o rings, install a self 
bleeder, and clean and paint the "valley". When I am done ALL of the 
hoses in the car will be new.  

Might also be a good idea to do a tune up while you are in there.


--- In dmcnews@xxxxxxxxxxxxxxx, "Ryan Wright" <ryanpwright@...> 
> Rob & list,
> 1. Where would one buy the correct silicon hose & clamp for this 
> 2. Does anyone have a write-up on the procedure to replace this?
> 3. Is there anything else I should check and/or replace while I'm 
at it?
> I've replaced all of the hoses throughout my car except those under
> the intake manifold and I do have a tiny, tiny leak coming from 
> area. I figure it's time to get this job done.
> Thanks,
> -Ryan
> On 3/5/06, rob@... <rob@...> wrote:
> > Harold is dead-on in advising using
> > silicone hoses for the block pipe to water pump backing plate as 
you don't
> > want to do that job twice in one year. A leak there has been 
known to cause
> > the PVR engine block to fail over time. We've been using 
silicone hose there
> > on all water pump replacements for well over twenty years and 
have never had
> > to go back and re-tighten a silicone hose clamp. If you don't 
want to follow
> > a yearly clamp tightening ritual then silicone hose with the 
correct clamps
> > (no open slots for the worm gear) is the only way to go. 
Although expensive
> > initially silicone hose will generally outlast the rest of your 
> >

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