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Old 09 Oct 2010, 03:41 am
Meatman
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Default Re: 1998 V-6 Accord EGR valve dismantle/disassembly.

On Oct 8, 2:36*pm, jim beam <m...@privacy.net> wrote:
> On 10/08/2010 12:02 AM, Meatman wrote:
>
> > '98 Accord EX V-6. *Code PO401 - insufficient EGR flow. *TSB/retrofit
> > exists for this involving drilling-over EGR port in plenum, installing
> > sleeve, etc. *Done that part. *Here's the rest: *I removed and began
> > DISASSEMBLING the EGR valve itself. *Yes, you read correctly. *I
> > removed the 3(or 4?) small bolts and nuts that hold the metal mounting
> > base to the upper electrical part in an attempt to COMPLETELY
> > diassemble the valve into 2 basic pieces. *However the metal plunger/
> > bypass ass'y connects the two portions and there is a high-heat metal-
> > foil gasket in between...now damaged, obviously. *I either need to get
> > this bitch all the way apart (I can't seem to) and replace the gasket
> > OR find a suitable RTV (copper?) OR just replace the whole valve.
> > Obviously I would like to reverse my disassembly and repair/replace
> > the gasket. *So let's run with that. *Thanks. *Kevin.

>
> i'd cut your time losses and just get a new valve from a junkyard.
>
> egr valves can run very hot - the rtv gasket stuff won't cope. *they
> don't usually need much more than a good internal scraping to get the
> soot out. *you can do this without the disassembly you've done. *just
> use some vacuum hose connected to the diaphragm opener to suck open the
> valve pintle, then you can use a needle to remove the accumulation.
>
> --
> nomina rutrum rutrum


Fair enough. Now, how do I tear this thing down?
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