my new sensor did not fix the flaky KLIMA belt-saving feature)
Is its feature-ness less quotable if it's correctly
described as an engine-saver, rather than a belt-saver?
This feature not only saved the belt, and thus perhaps
the engine on the 190D when the compressor seized, but it
saved the
Hmmm Did you mean to say something?
OK Don
NSA: The only branch of government that actually listens to US citizens!
*Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of
our people need it sorely on these accounts.* - Mark Twain
There are three kinds of men: The ones
Well, yes. Where did it go?
This sounds like a flaky ground, probably in the instrument cluster.
That's what I meant to say . . .
On Tue, Jul 14, 2015 at 2:20 PM, Curly McLain via Mercedes
mercedes@okiebenz.com wrote:
Hmmm Did you mean to say something?
--
OK Don
NSA: The only branch of
My ground is flaky or someone else's?
your ground has cat poop, your view is flaky
(Sorry, couldn't resist)
All in good fun
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So do I have to R/R the cluster to fix the poopy ground?
On Tue, Jul 14, 2015 at 3:54 PM, Curly McLain via Mercedes
mercedes@okiebenz.com wrote:
My ground is flaky or someone else's?
your ground has cat poop, your view is flaky
(Sorry, couldn't resist)
All in good fun
My ground is flaky or someone else's?
On Tue, Jul 14, 2015 at 3:35 PM, OK Don via Mercedes mercedes@okiebenz.com
wrote:
Well, yes. Where did it go?
This sounds like a flaky ground, probably in the instrument cluster.
That's what I meant to say . . .
On Tue, Jul 14, 2015 at 2:20 PM, Curly
The 85 is fine. Of course I know the difference
On Tue, Jul 14, 2015 at 8:01 PM, fmiser via Mercedes mercedes@okiebenz.com
wrote:
Andrew wrote:
My W123 tach is also going wacky - acts the same even when
I swap the under-hood sensor. Oscillates, goes to zero,
generally misbehaves.
Andrew wrote:
My W123 tach is also going wacky - acts the same even when
I swap the under-hood sensor. Oscillates, goes to zero,
generally misbehaves. Used to work great so I am thinking
it has to be the sensor and NOT the PU unit that screws
into the tach chassis housing. Maybe I
: Mon, 13 Jul 2015 08:43:40 -0400
To: mercedes@okiebenz.com
Subject: Re: [MBZ] '87 30TD rev counter.
From: mercedes@okiebenz.com
CC: dillonm...@gmail.com
Fred,
The two pin connector for the tachometer sensor is, as Peter said, behind
engine. I'm pretty sure it is passenger side, between
connectors in line.Spelunking begin!
Thanks for all of the info and helpful suggestions, you guys are great!
Fred Moir.Lynn MA.Diesel preferred.
Date: Mon, 13 Jul 2015 08:43:40 -0400
To: mercedes@okiebenz.com
Subject: Re: [MBZ] '87 30TD rev counter.
From: mercedes@okiebenz.com
CC: dillonm
a wet
bilge.
-Original Message-
From: Mercedes [mailto:mercedes-boun...@okiebenz.com] On Behalf Of
Curly McLain via Mercedes
Sent: Monday, July 13, 2015 10:36 AM
To: Mercedes Discussion List
Cc: Curly McLain
Subject: Re: [MBZ] '87 30TD rev counter.
Sounds like someone hacked
MA.Diesel preferred.
Date: Mon, 13 Jul 2015 09:35:49 -0500
To: mercedes@okiebenz.com
Subject: Re: [MBZ] '87 30TD rev counter.
From: mercedes@okiebenz.com
CC: 126die...@gmail.com
Sounds like someone hacked it or the connector caused problems
before. sounds like cutting out and replacing
Fred,
Check the price for a new sensor, I think I paid about $30 for MB real deal,
but that was ten years ago. They rarely go bad (my new sensor did not fix the
flaky KLIMA belt-saving feature) so junk yard source should also be viable.
Nothing special about the sensor, probably used in
Fred,
The two pin connector for the tachometer sensor is, as Peter said, behind
engine. I'm pretty sure it is passenger side, between battery and
HVAC/windshield wiper box. If you follow wire from sensor, should be about
three feet to get to the connector. Sensor is driver side, near
No, that one is for diagnostics, specifically setting the injection
timing with the dynamic tool.
The one for the idle speed/tach is on the rear of the engine reading
off the flywheel.
Peter
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Ok, thanks. Is the Hall effect sensor for the OM603 located on the
front of the engine with the magnet on crankshaft damper as on the
OM617/616?
The connector that attaches the tail from the sensor to the harness.
It's exposed and corrodes, resulting in poor transmission of the
signal
Are you talking about the engine to body ground strap, or a different
connector?
The connector behind the engine is usually the one that gets corroded.
Mine comes and goes, along with the idle speed control, and I
suppose I should get in there and clean that connector sometime.
Peter
The connector behind the engine is usually the one that gets corroded.
Mine comes and goes, along with the idle speed control, and I suppose
I should get in there and clean that connector sometime.
Peter
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The connector that attaches the tail from the sensor to the harness.
It's exposed and corrodes, resulting in poor transmission of the
signal (which is not voltage, but a pulse generated by the Hall Effect
pickup). The result is first an erratic tachometer/idle speed
control, followed by
Dan.Thanks for the reply.I'm looking for the point at which the various
consumers of tach. info diverge.Trying to cut the problem into smaller
parts.Fred
Fred Moir.Lynn MA.Diesel preferred.
Date: Sat, 11 Jul 2015 19:26:27 -0400
To: mercedes@okiebenz.com
Subject: Re: [MBZ] '87 30TD rev
Calling all genii.My 1987 300TD had an intermittent rev counter(Tachometer)
that has since died.The signal would cut in and out making the car lurch at
idle, ~500 rpm to 650 rpm.The signal pickup has 4.5 ac volts at idle and climbs
when the throttle is increased.The OVP relay has been
Don’t know about 87s, but earlier models had issues with electrolytic caps in
the tach that dried out.
Have you popped the cluster and taken a look around?
Dan
On Jul 11, 2015, at 7:17 PM, Fred Moir via Mercedes mercedes@okiebenz.com
wrote:
Calling all genii.My 1987 300TD had an
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