How do you test the check valves anyway?  There is a vacuum door leak on her
1985 300CD that has me baffled - all the servos tested OK so I am thinking
it might be the check valve under the hood.

Andrew
1983 and 1985 300TD, 1985 300CD (hers)

On Mon, Oct 25, 2010 at 10:37 AM, Dillon, Meade M CIV SPAWARSYSCEN-ATLANTIC,
53310 <meade.m.dil...@navy.mil> wrote:

> On my '87 TD, I simply plugged the hole and then tapped into the small
> vacuum port coming off the top of the vacuum pump, ran longer piece of
> tubing to get vacuum where needed.
>
> -Max
>
> -----Original Message-----
> From: mercedes-boun...@okiebenz.com
> [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Jim Cathey
> Sent: Sunday, October 24, 2010 8:24 PM
> To: Mercedes Discussion List
> Subject: Re: [MBZ] big vacuum line check valve
>
> > Is the check valve in the main vacuum line from the pump to the
> > booster available separate?
>
> I did this on the 560 SEL, and Shoe Goo, epoxy, etc., just won't hold up
> in the heat.  The only thing that worked was to grab a miscellaneous
> junkyard line, then use the heat gun to soften the tecalan tubing to
> swap parts.  (Or buy a new one, of course!)
>
> -- Jim
>
>
>
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