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  #1 (permalink)  
Old 19 Nov 2004, 07:36 pm
Doug Holtz NOSPAM in adress
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Default PCV Valve

Group;

I was looking thru my maintenance records on my 89 Legend Coupe and see I
ever did a PCV valve. My silver shop manual shows it under a valve cover,
with a gasket and exit hose. I've replaced the hose when it broke a few
years ago.

Has anyone else forgotten to change this? What is the symptoms of an engine
that needs this valve replaced? I pass all emissions.

TNX

Doug


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  #2 (permalink)  
Old 19 Nov 2004, 07:42 pm
Natman
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Default Re: PCV Valve

On Sat, 20 Nov 2004 01:36:44 GMT, "Doug Holtz NOSPAM in adress"
<dholtzNOSPAM@wi.rr.com> wrote:

>Group;
>
>I was looking thru my maintenance records on my 89 Legend Coupe and see I
>ever did a PCV valve. My silver shop manual shows it under a valve cover,
>with a gasket and exit hose. I've replaced the hose when it broke a few
>years ago.
>
>Has anyone else forgotten to change this? What is the symptoms of an engine
>that needs this valve replaced? I pass all emissions.
>
>TNX
>
>Doug
>
>

You don't need to change it, although it doesn't hurt to do so. You
can remove and clean it with carb cleaner.
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  #3 (permalink)  
Old 19 Nov 2004, 08:17 pm
MZ
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Default Re: PCV Valve

Pull it out and shake it, if it rattles it's fine.
"Doug Holtz NOSPAM in adress" <dholtzNOSPAM@wi.rr.com> wrote in message
news:Mcxnd.55961$T02.30848@twister.rdc-kc.rr.com...
> Group;
>
> I was looking thru my maintenance records on my 89 Legend Coupe and see I
> ever did a PCV valve. My silver shop manual shows it under a valve cover,
> with a gasket and exit hose. I've replaced the hose when it broke a few
> years ago.
>
> Has anyone else forgotten to change this? What is the symptoms of an
> engine that needs this valve replaced? I pass all emissions.
>
> TNX
>
> Doug
>



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  #4 (permalink)  
Old 20 Nov 2004, 06:40 am
Michael Pardee
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Default Re: PCV Valve

If the PCV valve becomes stuck open, idle can become rough. If stuck closed
(more common) crankcase pressure will build up from blow-by and force oil
out of the engine, usually from the dipstick tube. That can be very
dramatic - I lost nearly 3 quarts of oil between the time I saw the blue
smoke behind me and the time I could take the next freeway exit when a
breather hose plugged up in my Volvo. The engine was covered in oil.

Mike

"Doug Holtz NOSPAM in adress" <dholtzNOSPAM@wi.rr.com> wrote in message
news:Mcxnd.55961$T02.30848@twister.rdc-kc.rr.com...
> Group;
>
> I was looking thru my maintenance records on my 89 Legend Coupe and see I
> ever did a PCV valve. My silver shop manual shows it under a valve cover,
> with a gasket and exit hose. I've replaced the hose when it broke a few
> years ago.
>
> Has anyone else forgotten to change this? What is the symptoms of an
> engine that needs this valve replaced? I pass all emissions.
>
> TNX
>
> Doug
>



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  #5 (permalink)  
Old 20 Nov 2004, 07:01 am
Doug Holtz NOSPAM in adress
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Default Re: PCV Valve

Michael;

Whew. I am leaking oil from somewhere. Don't know exactly. Thanks for the
reply; I will check it out.

Doug

"Michael Pardee" <michaeltnull@cybertrails.com> wrote in message
news:K9idnSghda_OpgLcRVn-ig@sedona.net...
> If the PCV valve becomes stuck open, idle can become rough. If stuck
> closed (more common) crankcase pressure will build up from blow-by and
> force oil out of the engine, usually from the dipstick tube. That can be
> very dramatic - I lost nearly 3 quarts of oil between the time I saw the
> blue smoke behind me and the time I could take the next freeway exit when
> a breather hose plugged up in my Volvo. The engine was covered in oil.
>
> Mike
>
> "Doug Holtz NOSPAM in adress" <dholtzNOSPAM@wi.rr.com> wrote in message
> news:Mcxnd.55961$T02.30848@twister.rdc-kc.rr.com...
>> Group;
>>
>> I was looking thru my maintenance records on my 89 Legend Coupe and see I
>> ever did a PCV valve. My silver shop manual shows it under a valve
>> cover, with a gasket and exit hose. I've replaced the hose when it broke
>> a few years ago.
>>
>> Has anyone else forgotten to change this? What is the symptoms of an
>> engine that needs this valve replaced? I pass all emissions.
>>
>> TNX
>>
>> Doug
>>

>
>



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  #6 (permalink)  
Old 20 Nov 2004, 07:03 am
Doug Holtz NOSPAM in adress
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Posts: n/a
Default Re: PCV Valve

MZ;

OK. It is under a "lid" on the valve cover, and has a gasket that goes with
it. With my past luck, I will need a new gasket just to test it. OY.

Doug

"MZ" <martinzed@NOSPAMgmail.com> wrote in message
news:SOxnd.194165$9b.172100@edtnps84...
> Pull it out and shake it, if it rattles it's fine.
> "Doug Holtz NOSPAM in adress" <dholtzNOSPAM@wi.rr.com> wrote in message
> news:Mcxnd.55961$T02.30848@twister.rdc-kc.rr.com...
>> Group;
>>
>> I was looking thru my maintenance records on my 89 Legend Coupe and see I
>> ever did a PCV valve. My silver shop manual shows it under a valve
>> cover, with a gasket and exit hose. I've replaced the hose when it broke
>> a few years ago.
>>
>> Has anyone else forgotten to change this? What is the symptoms of an
>> engine that needs this valve replaced? I pass all emissions.
>>
>> TNX
>>
>> Doug
>>

>
>



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  #7 (permalink)  
Old 20 Nov 2004, 07:04 am
Doug Holtz NOSPAM in adress
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Posts: n/a
Default Re: PCV Valve

Natman;

I have carb cleaner and will remove it and see if it needs a bath. TNX

Doug

"Natman" <nat_mann@yahoo.com> wrote in message
news:419ea084.34207828@netnews.comcast.net...
> On Sat, 20 Nov 2004 01:36:44 GMT, "Doug Holtz NOSPAM in adress"
> <dholtzNOSPAM@wi.rr.com> wrote:
>
>>Group;
>>
>>I was looking thru my maintenance records on my 89 Legend Coupe and see I
>>ever did a PCV valve. My silver shop manual shows it under a valve cover,
>>with a gasket and exit hose. I've replaced the hose when it broke a few
>>years ago.
>>
>>Has anyone else forgotten to change this? What is the symptoms of an
>>engine
>>that needs this valve replaced? I pass all emissions.
>>
>>TNX
>>
>>Doug
>>
>>

> You don't need to change it, although it doesn't hurt to do so. You
> can remove and clean it with carb cleaner.



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  #8 (permalink)  
Old 20 Nov 2004, 11:31 am
Natman
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Posts: n/a
Default Re: PCV Valve

On Sat, 20 Nov 2004 07:03:05 -0600, "Doug Holtz NOSPAM in adress"
<dholtzNOSPAM@wi.rr.com> wrote:

>MZ;
>
>OK. It is under a "lid" on the valve cover, and has a gasket that goes with
>it. With my past luck, I will need a new gasket just to test it. OY.
>
>Doug
>

The gasket is a rubber O-ring and is usually reusable. I've cleaned my
PVC valve many times and never replaced it.
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  #9 (permalink)  
Old 20 Nov 2004, 11:41 am
Jafir Elkurd
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Posts: n/a
Default Re: PCV Valve

On those engines, when the PCV valve goes bad, you'll usually start leaking
oil out of the side cover gaskets. (which can damage the oxygen sensors).

"Doug Holtz NOSPAM in adress" <dholtzNOSPAM@wi.rr.com> wrote in message
news:Mcxnd.55961$T02.30848@twister.rdc-kc.rr.com...
> Group;
>
> I was looking thru my maintenance records on my 89 Legend Coupe and see I
> ever did a PCV valve. My silver shop manual shows it under a valve cover,
> with a gasket and exit hose. I've replaced the hose when it broke a few
> years ago.
>
> Has anyone else forgotten to change this? What is the symptoms of an
> engine that needs this valve replaced? I pass all emissions.
>
> TNX
>
> Doug
>



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  #10 (permalink)  
Old 20 Nov 2004, 07:40 pm
TeGGer®
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Posts: n/a
Default Re: PCV Valve

"Michael Pardee" <michaeltnull@cybertrails.com> sprach im
news:K9idnSghda_OpgLcRVn-ig@sedona.net:

> If the PCV valve becomes stuck open, idle can become rough. If stuck
> closed (more common) crankcase pressure will build up from blow-by and
> force oil out of the engine, usually from the dipstick tube.




Before it goes out the dipstick tube it will try to fill up the intake with
oil through the crankcase breather. Check the breather tube for the
presence of oil, and check the intake in that vicinity for oily gunk.

The dipstick leak will come after the breather gets blocked.


--
TeGGeR®

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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