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How to flush coolant system?
I have E30 316 4-cyl carb. BMW with 45000km (yes only less than 30000
miles). It was not in use for 7 years, and coolant was changed some three years ago. Now (I think) I have problem with choke on my carburetor. I got it cleaned (ultrasound) in a local carb shop, and for a while it worked OK. My problem: I start cold engine, revs go to ~1000 rpm, then after about one minute go up to ~1500 - 1600 rpm. But after five minutes or so rpm starts dropping, so when I stop in traffic its ~400 - 500 rpm, and sometimes just stales. Since coolant is running trough the carburetor I suspect that choke system may be clogged, since engine runs OK once it's warmed up. I have Bentley and Haynes manuals for E30, but I found no instructions on how to flush cooling system. I knew where are radiator and engine block drain plugs. What is the right procedure to flush cooling system? Let me just note that chemicals for flushing and professionals that can do that job is hard to find (at least I do not knew any) where I am. -- ___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** |
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#2
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How to flush coolant system?
> I have E30 316 4-cyl carb. BMW with 45000km (yes only less than 30000
> miles). It was not in use for 7 years, and coolant was changed some > three years ago. My first BMW was an '88 316 :-) > Now (I think) I have problem with choke on my carburetor. I got it > cleaned (ultrasound) in a local carb shop, and for a while it worked > OK. The Pierburg carb in this car is junk. Replace it with a Weber, better mpg and more power! Your may have a problem with the automatic choke. -- Who needs a life when you've got Unix? :-) Email: , John G.Burns B.Eng, Bonny Scotland Web : http://www.unixnerd.demon.co.uk - The Ultimate BMW Homepage! Need Sun or HP Unix kit? http://www.unixnerd.demon.co.uk/unix.html www.Strathspey.co.uk - Quality Binoculars at a Sensible price |
#3
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How to flush coolant system?
Nedavno John Burns pise:
| The Pierburg carb in this car is junk. Replace it with a Weber, better | mpg and more power! Your may have a problem with the automatic choke. Maybe, but that is not easy to do where I am. I bought manual for my Pierburg 1B2 (still waiting for it to arrive), and I hope to tune so that it performs as it should. But my main question was how to flush cooling system on my BMW. Anyone with suggestions? -- ___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** |
#4
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How to flush coolant system?
Nedavno Yvan pise:
| But my main question was how to flush cooling system on my BMW. Anyone | with suggestions? Hire is what I thought: - Turn heater knob on dash to hot. - Drain coolant, and live both radiator and engine block drain plugs open - Disconnect hoses from the carb (for choke operation), plug one of them, and connect garden hose to other - After a while plug other carb hose, and connect garden hose to first one - After a while put a garden hose into radiator - Close the plugs, and fill the cooling system with distilled water - Repeat last step few times - Fill the cooling system with 3.5 liter of 100% coolant (total capacity is 7 liter), and fill it up with distilled water. And that should be it. Any comments? -- ___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** |
#5
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How to flush coolant system?
Yvan wrote: > Nedavno Yvan pise: > > | But my main question was how to flush cooling system on my BMW. Anyone > | with suggestions? > > Hire is what I thought: > > - Turn heater knob on dash to hot. > - Drain coolant, and live both radiator and engine block drain plugs > open > - Disconnect hoses from the carb (for choke operation), plug one of > them, and connect garden hose to other > - After a while plug other carb hose, and connect garden hose to first > one > - After a while put a garden hose into radiator > - Close the plugs, and fill the cooling system with distilled water > - Repeat last step few times > - Fill the cooling system with 3.5 liter of 100% coolant (total > capacity is 7 liter), and fill it up with distilled water. > > And that should be it. Any comments? > > > -- > ___ ____ > /__/ / \ ** Registrovani korisnik Linuksa #291606 ** > / / \/ /\ \ ** Registered Linux user #291606 ** > /__/\____/--\__\ ** http://counter.li.org/ ** This is what I used to do. But it's now illegal to let any coolant or the rinse water run onto the ground and into the storm drain. So now I just pay my mechanic to flush it with that pressurized machine that he uses. |
#6
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How to flush coolant system?
Nedavno Rhaspun piše:
| This is what I used to do. But it's now illegal to let any coolant or | the rinse water run onto the ground and into the storm drain. So now I | just pay my mechanic to flush it with that pressurized machine that he | uses. Unfortunately where I am there are no such laws, and everyone disposes coolant the way he wants including mechanics. Usually it goes down the drain (as far as I knew). I will ask around if I can dispose of coolant safe way. Thanks for your comment. Its is good to knew that I found the right way to flush, I will do it as soon as I this "Siberian" cold wave goes away. -- ___ ____ /__/ / \ ** Registrovani korisnik Linuksa #291606 ** / / \/ /\ \ ** Registered Linux user #291606 ** /__/\____/--\__\ ** http://counter.li.org/ ** |
#7
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How to flush coolant system?
Do a little research and you might find that coolant is really not an
environmental hazard. After a few days it is usually broken down by organisms in the soil or sewer systems. They spray essentially the same stuff on airplanes to de-ice all the time. The environmental effects have been negligible. I asked the question of a friend at an environmental agency a few years back. The response, after a little research, was just to flush it down the sewer system. True, some places won't allow this, but it may be an over-reaction to the potential dangers. There may also be other additives in newer formulations that may be a problem. This I don't know. The EG is only a short term danger to any animals or humans that might ingest it. Leonard "Yvan" > wrote in message news:20060127095311.76d9dc02@localhost... > Nedavno Rhaspun pise: > > | This is what I used to do. But it's now illegal to let any coolant or > | the rinse water run onto the ground and into the storm drain. So now I > | just pay my mechanic to flush it with that pressurized machine that he > | uses. > > > Unfortunately where I am there are no such laws, and everyone disposes > coolant the way he wants including mechanics. Usually it goes down the > drain (as far as I knew). I will ask around if I can dispose of coolant > safe way. > > Thanks for your comment. Its is good to knew that I found the right way > to flush, I will do it as soon as I this "Siberian" cold wave goes away. > > -- > ___ ____ > /__/ / \ ** Registrovani korisnik Linuksa #291606 ** > / / \/ /\ \ ** Registered Linux user #291606 ** > /__/\____/--\__\ ** http://counter.li.org/ ** |
#8
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How to flush coolant system?
Leonard Caillouet wrote:
> Do a little research and you might find that coolant is really not an > environmental hazard. After a few days it is usually broken down by > organisms in the soil or sewer systems. They spray essentially the same > stuff on airplanes to de-ice all the time. The environmental effects have > been negligible. <snip> >There may also be other additives > in newer formulations that may be a problem. <snip> You have identified the problem in the second excerpt, but you minimize it. Manufacturers of airplane deicing fluid do not make their recipes public - yes, it's mainly ethylene and propylene glycol, but there's a bunch of other stuff in there too. The airport in Toronto, Canada, has spent millions on a deicing facility that recycles the fluid instead of allowing it to go straight into the groundwater. They would not do this if it was harmless. The same problem exists in automobile coolant- the recipes are top seekrit and the consumer and municipality has no idea what they're dumping into the sewer, which in most places goes with minimal treatment into the surface water. |
#9
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How to flush coolant system?
Nobody Important wrote:
> Leonard Caillouet wrote: > >> Do a little research and you might find that coolant is really not an >> environmental hazard. After a few days it is usually broken down by >> organisms in the soil or sewer systems. They spray essentially the >> same stuff on airplanes to de-ice all the time. The environmental >> effects have been negligible. > > <snip> > >> There may also be other additives in newer formulations that may be a >> problem. > > <snip> > > You have identified the problem in the second excerpt, but you > minimize it. Manufacturers of airplane deicing fluid do not make > their recipes public - yes, it's mainly ethylene and propylene glycol, > but there's a bunch of other stuff in there too. The airport in > Toronto, Canada, has spent millions on a deicing facility that > recycles the fluid instead of allowing it to go straight into the > groundwater. They would not do this if it was harmless. > > The same problem exists in automobile coolant- the recipes are top > seekrit and the consumer and municipality has no idea what they're > dumping into the sewer, which in most places goes with minimal > treatment into the surface water. > Aircraft deicing fluid is VERY TOXIC, Ottawa Canada's airport also spent millions building an aircraft deicing center to recover the fluid, even if the aircraft are deiced on the gate a vacuum truck appears minutes after push back to remove the fluid. If a dog or cat drinks the fluid it will die within 24 hours of kidney failure. DO NOT leave an open container of this fluid in a place where animals can get to it as it will KILL them. |
#10
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How to flush coolant system?
"FFF" > wrote in message .. . > Nobody Important wrote: > >> Leonard Caillouet wrote: >> >>> Do a little research and you might find that coolant is really not an >>> environmental hazard. After a few days it is usually broken down by >>> organisms in the soil or sewer systems. They spray essentially the same >>> stuff on airplanes to de-ice all the time. The environmental effects >>> have been negligible. >> >> <snip> >> >>> There may also be other additives in newer formulations that may be a >>> problem. >> >> <snip> >> >> You have identified the problem in the second excerpt, but you minimize >> it. Manufacturers of airplane deicing fluid do not make their recipes >> public - yes, it's mainly ethylene and propylene glycol, but there's a >> bunch of other stuff in there too. The airport in Toronto, Canada, has >> spent millions on a deicing facility that recycles the fluid instead of >> allowing it to go straight into the groundwater. They would not do this >> if it was harmless. >> >> The same problem exists in automobile coolant- the recipes are top >> seekrit and the consumer and municipality has no idea what they're >> dumping into the sewer, which in most places goes with minimal treatment >> into the surface water. >> > Aircraft deicing fluid is VERY TOXIC, Ottawa Canada's airport also spent > millions building an aircraft deicing center to recover the fluid, even > if the aircraft are deiced on the gate a vacuum truck appears minutes > after push back to remove the fluid. If a dog or cat drinks the fluid it > will die within 24 hours of kidney failure. DO NOT leave an open > container of this fluid in a place where animals can get to it as it will > KILL them. No doubt ethylene glycol is toxic. That was not the point. The point is that it it is broken down by organisms in soil and sewer systems within a couple of days in most cases. Many airports do not recycle the fluid. Certainly, it is best to recycle it and one should be aware of local requirements. The point is that one should also not get in a panic if it gets flushed down the toilet. See the link http://www.inchem.org/documents/cica...m#PartNumber:1 which uses these references: REFERENCES Ahn JS, Lee KH (1986) Studies on the volatile aroma components of edible mushroom (Tricholoma matsutake) of Korea. Journal of the Korean Society for Food and Nutrition, 15:253-257. ATSDR (1997) Toxicological profile for ethylene glycol and propylene glycol. Atlanta, GA, US Department of Health and Human Services, Public Health Service, Agency for Toxic Substances and Disease Registry. 249 pp. Bates WK, Wilson JF (1974) Ethylene glycol-induced alteration of conidial germination in Neurospora crassa. Journal of bacteriology, 117:560-567. Battersby NS, Wilson V (1989) Survey of the anaerobic biodegradation potential of organic chemicals in digesting sludge. Applied environmental microbiology, 55(2):433-439. 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Uber die Oxydation verschiedener primarer Alkohole und Glykole. Enzymologia, 24:372-384. HSDB (1998) Hazardous substances data bank. Micromedex Inc. (CD-ROM version). IPCS (1993) International Chemical Safety Card -- Ethylene glycol. Geneva, World Health Organization, International Programme on Chemical Safety (ICSC 0270). Jank BE, Guo HM, Cairns VW (1974) Activated sludge treatment of airport wastewater containing de-icing fluids. Water research, 8:875-880. Japan Environment Agency (1991) Chemicals in the environment. Report on environmental survey and wildlife monitoring of chemicals in FY 1988 and 1989. Tokyo, Japan Environment Agency, Department of Environmental Health, Office of Health Studies. Kahru A, Tomson K, Pall T, Kulm I (1996) Study of toxicity of pesticides using luminescent bacteria Photobacterium phosphoreum. Water science and technology, 33(6):147-154. Kaiser KLE, Palabrica VS (1991) Photobacterium phosphoreum toxicity data index. 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Water, air, and soil pollution, 22:373-387. Lyman WJ, Reehl WF, Rosenblatt DH (1982) Handbook of chemical property estimation methods. New York, NY, McGraw-Hill. Masters JA, Lewis MA, Davidson DH, Bruce RD (1991) Validation of a 4-day Ceriodaphnia toxicity test and statistical considerations in data analysis. Environmental toxicology and chemistry, 10:47-55. Matsui S, Murakami T, Sasaki T, Hirose Y, Iguma Y (1975) Activated sludge degradability of organic substances in the waste water of the Kashima petroleum and petrochemical industrial complex in Japan. Progress in water technology, 7(3-4):645-650. Mayer FL, Ellersieck MR (1986) Manual of acute toxicity: interpretation and database for 410 chemicals and 66 species of freshwater animals. Washington, DC, US Department of the Interior, Fish and Wildlife Service (Resource Publication No. 160). Mayes MA, Alexander HC, Dill DC (1983) A study to assess the influence of age on the response of fathead minnows in static acute toxicity tests. Bulletin of environmental contamination and toxicology, 31:139-147. McGahey C, Bouwer EJ (1992) Biodegradation of ethylene glycol in simulated subsurface environments. Water science and technology, 26:41-49. Means JL, Anderson SJ (1981) Comparison of five different methods for measuring biodegradability in aqueous environments. Water, air, and soil pollution, 16:301-315. Nielsen IR, Malcolm HM, Dobson S (1993) Environmental hazard assessment: Ethylene glycol. Garston, United Kingdom Department of the Environment, Building Research Establishment, Toxic Substances Division. 33 pp. (TSD/16). Nishiushi Y (1984) Toxicity of agrochemicals to freshwater organisms. III. Solvents. Suisan Zoshoku, 32:115-119. Pillard DA (1995) Comparative toxicity of formulated glycol de-icers and pure ethylene and propylene glycol to Ceridaphnia dubia and Pimephales promelas. Environmental toxicology and chemistry, 14:311-315. Pitt WW, Jolley RL, Scott CD (1975) Determination of trace organics in municipal sewage effluents and natural waters by high resolution ion exchange chromatography. Environmental science and technology, 9:1068-1073. Pitter P (1976) Determination of biological degradability of organic substances. Water research, 10:231-235. Price KS, Waggy GT, Conway RA (1974) Brine shrimp bioassay and seawater BOD of petrochemicals. Journal of the Water Pollution Control Federation, 46(1):63-77. Riddell C, Nielsen SW, Kersting EJ (1967) Ethylene glycol poisoning in poultry. Journal of the American Veterinary Medical Association, 150:1531-1535. Ross D, Stroo HF, Bourquin AW, Sikes DJ (1988) Bioremediation of hazardous waste sites in the USA: case histories. In: Proceedings of the American Pollution Control Association Annual Meeting (Paper 88-6B.2, 81, 9s). Schramm M, Warrick AW, Fuller WH (1986) Permeability of soils to four organic liquids and water. Hazardous waste and hazardous materials, 3:21-27. 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