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#1
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Need Help.... Wife will kill me if I dont get her car fixed...
The wifes is using my 82 300SD for the winter, and it started boiling over. Its the middle of winter so its not the weather. I just replaced the thermostat a few weeks ago. I was thinking it was the water pump but it the temp stays at 85-90 like it should, and I still have heat. It just makes a wired sound at the coolent tank and spits out a liter or so of coolent. I hope its not the water pump. Any other ideas would be great.
Thanks. Jay
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83 300TD Sable 402K " Work Truck " 81 300SD Gray 240K " Loner Car " 04 E320 Blue 90K " My Winter rig " 07 BMW X5 4.4 118K " My Summer rig" 04 Jetta TDI Wagon 168K " Wifes " 08 Toyota FJ 109K " Wifes winter rig " 04 Jetta TDI 120K " Daughters Car " |
#2
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this may sound silly but, check and see if you installed the thermostat backwards.
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Current Garage 2008 Mercedes GL320 CDI 188k mi Repair/Work in progress 1994 S350 160k mi Garage Queen & prepping for repairs 2005 E320 CDI 203k mi Healthy & Daily Driver 1994 S350 357k mi Retried as parts car 1984 300TD 214k mi Blown OM617 Poss OM603 Swap?? Sold 1987 300SDL 200K+ 1994 S320 181K mi 2008 E320 Bluetec 127k mi 1999 S420 130K mi 1980 240D 360k mi 15+ Others that has come, stay and gone GONE, BUT NOT FORGOTTEN 1995 E320 SE 220k mi 1984 300SD 350k mi |
#3
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Maybe has air in the system...suppossed to burp it like a baby. Some thing about parking the car at an angle with the nose higher than the rear. Other than that I don't know. be patient someone will help you.
I have always just let it run for abit standing there with the rad cap loose squeazing the upper hose. OF COURSE do only loosen the cap when the engine is cooled off. |
#4
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Blown head gasket, engine compression is forcing the boiling coolant out of the cooling system. The failure in the gasket must have occured between the cylinder and coolant passage relief. A major repair if you're not mechanically inclined. Others may have more insight...
I wish you luck.
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Regards, Ian White 1995 E300 Diesel w124 OM606 2014 E550 w212 M278 biturbo 2001 BMW 740i E38 M62 (past) 1981 300SD w126 OM617 (past) |
#5
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Ian White is probably right. But heres hoping that it is the wrong placement of the thermostat or an air lock. I have once done the last bit of filling through the heater hose that is attached to the head.
Given that you replaced the thermostat, it sounds like the overheating has a history. That could have caused a head gasket problem. Maybe you should consider life insurance!!
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Grumpy Old Diesel Owners Club group I no longer question authority, I annoy authority. More effect, less effort.... 1967 230-6 auto parts car. rust bucket. 1980 300D now parts car 800k miles 1984 300D 500k miles 1987 250td 160k miles English import 2001 jeep turbo diesel 130k miles 1998 jeep tdi ~ followed me home. Needs a turbo. 1968 Ford F750 truck. 6-354 diesel conversion. Other toys ~J.D.,Cat & GM ~ mainly earth moving |
#6
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Actually, life insurance is a bad idea. She'd think about how many pairs of shoes she could buy with that money.
If you know how to do it, get a cylinder compression check done. That will rule in or rule out a headgasket problem. A leakdown compression chick would probably be best. Make sure the engine is at operating temps before doing the test.
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All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
#7
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most shops today if you take a sample of the coolent to them can test it on the spot and tell you if the gasket or head is leaking compression as was said above - jz
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#8
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Is it possible that the coolant is not in strong enough concentration for the temps you are seeing? Is it possible that coolant is freezing in the radiator, and preventing flow?
A long shot, to be sure. Buts its far better ( and cheaper) than replacing the head gasket.
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1982 300SD " Wotan" ..On the road as of Jan 8, 2007 with Historic Tags |
#9
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Is there a DIY test kit you can buy for that?
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Strelnik Invest in America: Buy a Congressman! 1950 170SD 1951 Citroen 11BN 1953 Citroen 11BNF limo 1953 220a project 1959 180D 1960 190D 1960 Borgward Isabella TS 2dr 1983 240D daily driver 1983 380SL 1990 350SDL daily driver alt 3 x Citroen DS21M, down from 5 3 x Citroen 2CV, down from 6 |
#10
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its pricy from snap on - a good local shop should be able to help you out, most are in the customer service buzz and want to keep that open - jz
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#11
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Yes there is a DIY kit. Mine has a liquid in a tube. You run the car with it stuffed in the rad where the cap goes. If it changes color it indicates a leak. The old time method sometimes work. look in the rad with the car running and if you see little bubbles you have hot gas escaping from the head gasket into the water jacket. Thanks
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83 300D 227,xxx miles, sold 86 300 SDL 130,000 miles, sold |
#12
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Forget all the coolant testing and compression testing. Ask a shop to do a coolant system pressure test. It's simple to do and will tell you immediately if you have a compromised coolant system. You can DIY this if you have the tool. The tool consists of a special coolant tank cap with a short hose connected to a smallish bicycle type hand pump and a pressure guage. You fill the system, install the tester cap and pump up the pressure to about 15 PSI and wait several minutes to see if the pressure drops. No drop in pressure means no problem. A drop in pressure means there is a leak and it's up to you to figure out where the water/coolant is going. A head gasket leak will usually end up in one or two cylinders and will show as steam coming from the tailpipe after the test. Do this on a cool engine NOT running. You can sometimes hear the leak if it's bad enough.
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#13
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Thank you so much everyone. Will give a few of thoes ideas a shot. Oh My.... a head gasket would suck....LOL
__________________
83 300TD Sable 402K " Work Truck " 81 300SD Gray 240K " Loner Car " 04 E320 Blue 90K " My Winter rig " 07 BMW X5 4.4 118K " My Summer rig" 04 Jetta TDI Wagon 168K " Wifes " 08 Toyota FJ 109K " Wifes winter rig " 04 Jetta TDI 120K " Daughters Car " |
#14
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If...
If it's a blown head gasket, even in the beginning stages, I think you would smell a problem from the exhaust fumes. Sweet smell would be a head gasket problem.
jeff |
#15
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Quote:
You might also want to see if there is a blockage in your radiator.... That could cause the problem...
__________________
All it takes for evil to prevail is for good men to stand by and do nothing. Too many people tip toe through life, never attempting or doing anything great, hoping to make it safely to death... Bob Proctor '95 S320 LWB '87 300SDL '04 E500 wagon 4matic |
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