Diesel RVs: 12/17/13

Well Bud ;

100° C isn't terribly hot depending ~ if you're tooling an S Klasse along @ 85 MPH over the grapevine and it cools off to 85° C coasint down the other eisde I'd say fill it with coolant and relax .

If the temp. remains above 90° C coasting , you have a serious problem ~ I bet there's scale in the water jacket , distilled water creates rust like tap water just slower .

So , judge by the coasting temperature and either clean it more or simply put in properly mixed coolant .

I agree with Brain ~ M-B branded coolant is cheaper in the long ruin and usually easy to find in So. Cal. if you look .

-Nate

Bud Wrote :

I've flushed out my 1979 300SD, changed the thermosta(it was shot) and just have distilled water in it. It runs a tick over 80C around town and about 95C on the highway(up and down some slight grades-about 90C level hwy).

Going up some standard grades (Newhall Pass- a few miles) it's running a tick over 100C. Before I attempt something like the Grapevine(I-5) I just wanted to run the temps by the group.

I'll be putting Zerex G-05 in tomorrow. There really was no rust or scale buildup. The engine was rebuilt about 100k ago as told to me by the previous owner. Everything I've done so far has revealed that it was rebuilt.

I've got a diesel VW, so I always keep an eye on the temp. Just haven't run the 300SD to know what normal is.

Thanks,
Bud

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[diesel_mercedes] RE: 126 will not start After Running Dry

Yes ;

I always fill it with fuel additive / cleaner / purge so the injectors get a little cleaning as you bring it back to life .

-Nate

Sandtaz Wrote :

Thanks Nate. Will try again tomorrow. Fuel additive in the secondary??????

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[diesel_mercedes] RE: Coolant and Coolant Flush

Citric Acid Powder & Distilled Water works best and is recommended by Ma 'Benz .

One pound of citric acid power mixed into a couple - three gallons of distilled water then run for an hour will do a nice job in most cars .

In your FLAPS you'll find a small yellow plastic bottle of Prestone brand cooling system cleaner , this works O.K. , not as well as Citric Acid Powder but it's easier to find .

After running the cleaner / distilled water mix for an hour or better overnight then to work and of course with the heater FULL ON , you drain it , refill with fresh distilled water then run it a bit longer , drain then re fill with properly mixed coolant .

They now sell pre diluted coolant you simply pour in , no need to worry if you've gotten the correct 60/40 % mix of dilstilled water to coolant .

-Nate

Mike Wrote :

Does anyone have a good detergent to recommend and also an inexpensive coolant to refill for a 71 220D?

I think it is time to get to this.

Thanks a million. Mike.

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[diesel_mercedes] Auxiliary Electric water pump

Randy , a couple things :

# 1 . @ $700 , your Mechanic is flat out _DISHONEST_ , you need to find another shop PDQ .

# 2. the one in Bill's link looks fine *but* it's carefully positioned so you can't see the part & manufacturer info on it , the original Bosch or SWF branded (best IMO) one is rarely over $125 list price and anything else isn't worth spit so write and ask what brand or where this item was made before pulling the trigger .

These pumps have a little white plastic cap on the motor end you're supposed to gently pry off and drip one drop of oil into every year , then they almost never wear out .

-Nate
Randy Wrote :

Thanks for all the information!

I'm looking at parts compatability right now and will get one soon.

On Friday, December 13, 2013 3:26 PM, "corvallis@..." <corvallis@...> wrote:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=271170411352

Bill in Oregon

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[diesel_mercedes] RE: 126 will not start After Running Dry

Okey-Dokey Tom ;

Glad to hear you're happy and driving again .

-Nate

Tom Wrote :

Nate, thank you so very very much. Holding the pedal down and just cranking away worked. Took a very long time to get it running, but it seems to be just dong fine. Never, never, ever will I let that happen again. Thanks again for your help. Have a great day. Tom.

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[diesel_mercedes] California temp/coolant?

Going up some standard grades (Newhall Pass- a few miles) it's running a tick over 100C. Before I attempt something like the Grapevine(I-5) I just wanted to run the temps by the group.

I've got a diesel VW, so I always keep an eye on the temp. Just haven't run the 300SD to know what normal is.

Thanks,
Bud

Sent from Yahoo Mail on Android

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