, 20 Jun 2010 17:59:39 -0500 (GMT-05:00)
From: Peter Frederick psf...@earthlink.net
Subject: Re: [MBZ] Hard start problem returns- Update
Message-ID:
Check with a diesel injection service -- I'm not familiar with
this particular pump, but a failed pressure valve or a worn rotor
will give
Frederick psf...@earthlink.net
Subject: Re: [MBZ] Hard start problem returns- Update
Mid to late 70's Chevy V8s were terrible about roasting starters.
As
noted, this won't be the case if you have vapor lock in the
injection lines.
I'd lean toward a leak on the suction side of the fuel system. I'm
had to be rebuilt for this reason.
Peter
-Original Message-
From: MG trainpain2...@yahoo.com
Sent: Jun 20, 2010 5:20 PM
To: Mercedes Discussion List mercedes@okiebenz.com
Subject: Re: [MBZ] Hard start problem returns- Update
The injection pump is a distributor type pump, the same one
: Wed, 16 Jun 2010 22:12:51 -0500
From: Peter Frederick psf...@earthlink.net
Subject: Re: [MBZ] Hard start problem returns- Update
You should also check the current draw on the starter when hot.
When
the windings go bad, they get high resistance, and that excess
resistance goes way up
Mid to late 70's Chevy V8s were terrible about roasting starters. As
noted, this won't be the case if you have vapor lock in the
injection lines.
I'd lean toward a leak on the suction side of the fuel system. I'm
not familiar with that particular engine, does it have a distributor
type
- problem is worse in warm months.
Have I got it right?
-Max
-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Mike Esh
Sent: Wednesday, June 16, 2010 7:20 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] Hard start problem returns
-Original Message-
From: mercedes-boun...@okiebenz.com
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Mike Esh
Sent: Wednesday, June 16, 2010 7:20 PM
To: Mercedes Discussion List
Subject: Re: [MBZ] Hard start problem returns- Update
Steel pipes and car are very good condition with minimal rust
[mailto:mercedes-boun...@okiebenz.com] On Behalf Of Mike Esh
Sent: Thursday, June 17, 2010 9:02 AM
To: Mercedes Discussion List
Subject: Re: [MBZ] Hard start problem returns- Update
Yes that is correct only the problem started about a year ago. Who is
still looking for rusty lines and leaks
I checked/replaced all connections and hoses and cannot determine
where anything is leaking. Everything is dry and clean. I can
actually see the fuel level in the clear filter level drop. I appears
to be draining toward the spin on filter. Is there check valve
somewhere that is
Assuming that all the steel pipes are not rusted. .. Some fuel
filters have o-rings on the bolt that holds the filter in place,
older ones have an aluminum seal under the head of the bolt. I think
yours has orings. Maybe someone else can say for sure. Air can leak
in at these orings. Any
Steel pipes and car are very good condition with minimal rust.
I checked all connections on filter assembly and made sure all
fittings had both washers.
O-rings are new on the bolt for the filter. There are two of them,
the lower one is smaller than the upper one.
I hear nothing when
One 115 chassis 300D I bought a long time ago was sold with a dis-assembled
engine because it was hard to start. I transferred the factory re-man engine
I had in a rusting out car to it, and surprise - it was suddenly hard to
start! I found a small place where the steel fuel line had been rubbing
Well stated. I had the same experience with a small rust spot under
a clamp. Not wet. Not much rust. but the car started fine after I
cut it out. Michaels's observation that the fuel seems to flow to
the filter as the air leaks in indicates the return line.
One 115 chassis 300D I bought
You should also check the current draw on the starter when hot. When
the windings go bad, they get high resistance, and that excess
resistance goes way up with temperature, so when you crank with a bad
starter that is already hot, it won't turn the engine fast enough to
start. 100 rpm
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