Date: Thu, 4 Mar 1999 12:04:19 -0500
Reply-To: EMZ <vw4x4@FYI.NET>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: EMZ <vw4x4@FYI.NET>
Subject: Re: low compression problem
In-Reply-To: <199903041600.LAA15529@zeus.midmaine.com>
Content-Type: TEXT/PLAIN; charset=US-ASCII
In the 2.1l engine is know to have this problem. If the oil
pressure relief valve should stick shut the oil pressure goes to
max. This in turn MAY cause the lifters to pump up, to high, in turn
causing the valves not to closefully. Symptoms will be rough
idle, low power, or even no start.
Eric 86-VW4x4
vw4x4@fyi.net 72-240z
Pittsburgh, PA USA 1936-Chrysler
On Thu, 4 Mar 1999, Anthony L. Mourkas wrote:
> Eric,
>
> I am curious. You mentioned the oil pressure relief valve in your
> response to this post. What is the connection between low compression
> and a stuck oil pressure relief valve? Lack of lubrication? Enquiring
> mind wants to know.......
>
> Thanks,
>
> Tony
>
> Anthony L. Mourkas
> Hampden, Maine, USA
> 1984 Vanagon Westfalia
> 1987 Vanagon GL Syncro
> 1991 Jetta Eco Diesel
>
>
> > Your mechanic seams to be up front with you. Assuming you
> >don't have a stuck oil pressure relief valve. I would drive it
> >as stated. In time if other problems don't come up, and you
> >still have low compression in the same cyl. I would have him do
> >the job.
> >
> > Eric 86-VW4x4
> > vw4x4@fyi.net 72-240z
> > Pittsburgh, PA USA 1936-Chrysler
> >
> >
> >On Wed, 3 Mar 1999, Mark Schrope wrote:
> >
> >> Hi everybody
> >>
> >> I was on the list until last September but had to sign off when I moved
> >> here to California for school and got too swamped with work to read any
> >> email.
> >>
> >> I've got a problem now with my compression and was hoping to get some
> >> advice. I'm dribing and '89 by the way. Basically it looks like I've got
> >> a sticky valve. The mechanic was troubleshooting something else and found
> >> that air shot into the #2 cylinder was coming out the exhaust. The
> >> compression was 75 as of two weeks ago but it feels like I may have lost a
> >> little bit more power recently.
> >>
> >> The mechanic said that I might as well keep driving it for now but I'm
> >> having second thoughts. I put a lot of miles on the van and I will likely
> >> be driving back across the country this summer so I'm thinking I might as
> >> well get the work done now.
> >>
> >> He said that the valve would have to be redone and if we were going to be
> >> in that far I might as well have the headgaskets done on both sides-- the
> >> last head gasket job was about 70,000 miles ago. Ballpark estimate was
> >> about 700 to do the one side and deal with the valve or just over 1000 for
> >> everything.
> >>
> >> I'm inclined to get it all done with at once. So, I was hoping to get some
> >> feedback from others on whether this sounds like the best plan. Any
> >> thoughts or comments would be appreciated as I agonize whether to spend
> >> this kind of money. Thanks in advance and please p-mail as I'm not getting
> >> the list.
> >>
> >> Mark Schrope
> >> '89 Wolfsburg
> >>
>
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