| [ Total Views: 2308 | Total Replies: 9 | Thread Id: 75741 ] |
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 desh
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| posted on April 3rd, 2009 at 12:47 PM |
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1976 Mk1 Golf Over heating
Hello
I have a 1976 Mk1 Golf Automatic that for the last month has been giving me grief,
Bit of background car has done 184k's, in the last 2 years I've replaced the radiator with a new unit, due to over heating, the hoses, the water
pump, the welsh? spelling? plugs, thermostat. the temp gauge, the circuit board that controls the temp gauge, finally this fixed the over heating
problems, in that time the car has traveled maybe 1,000k's at most.
Oh I also once had the heater leak coolant into the passenger side foot well and this was also replaced with a good second hand unit, as you can see I
have spent a lot of money on this car to try and keep it cool.
I have other cars so rarely use it,
the last month it has started to get really hot again, nearly reaching the max red part on the temp gauge, on inspection the bottom radiator hose was
leaking, replaced the hose with a new unit, was fine again.
Have maybed used it for 100k's since, just to test it and keep an eye on it, well today i was driving it, noticed I was right on the max part of the
temp gauge, pulled over, no water in the radiator at all.
Fortunately I always carry a bottle full, started filling it up and the water was pouring out of the hose, in the exact same spot the previous hose
had a hole in it, just near the clamp, which is also new when I fitted the hose,
I was only about 4 k's from home, so decided to risk it, pulled the grille out of the front of the car to give it better cooling abilities, and drove
home.
Although it may not seem it in the photo the hose is on there as far as it will go.
Does anyone have any ideas as to why my car wants to blow radiator hoses and overheat still?
thank you in advance for any help or advice.
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Kind Regards
Des
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1303Steve
A.k.a.: Steve Carter
Scirocco Rare
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| posted on April 3rd, 2009 at 12:56 PM |
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Hi
Looking at the distortion in the hoses near the clamps, maybe your over tightening them and the clamp is cutting into the hose?
You should always have clamp situated on the hose next to the bump in the fitting, this prevents coolant getting between the hose and fitting and
causing corrosion.
Steve
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desh
Wolfsburg Wizard
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| posted on April 3rd, 2009 at 01:12 PM |
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Steve, thanks, I hadn't considered that, simply tightening the clamp up as tight as it would go.
How tight should it be?
I will get another hose and clamp and retry.
thank you
--------------------------
Kind Regards
Des
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1303Steve
A.k.a.: Steve Carter
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| posted on April 3rd, 2009 at 11:25 PM |
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Hi
Im sure that there is a torque wrench setting, but just try not to overdo it, also keep checking the clamps will loosen for a few weeks.
Steve
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colonel mustard
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| posted on April 3rd, 2009 at 11:33 PM |
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Also... not to be rude or anything. but are you getting the same brand hose each time? try something different. It also looks like its maybe wrong...
like on a wierd angle and that it is sucking in on itself... trying getting something stronger or a slightly different shape.... avoid them contacting
anything else hot etc. and dont tighten those clamps tooo tight... it will rip the rubber. you can get a different type of clamp (they come on new
cars) but you can only use them once. they are harder to use, but are less likely to leak.... they are like a spring clamp..  love Mk1s
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rustguard
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| posted on April 4th, 2009 at 03:35 AM |
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I think it is just the photo distorting the angle, these hose clamps aren't that strong, on a brand new hose its might be possible to cut into one
but the odds of it happening more than that are slim, I always test thermostats first as I have had brand new ones that are faulty, is your
thermostatic fan switching in, is the water leaking from around the hose to radiator joint, radiator tanks often develop leaks especially plastic ones
though more often on the outlet than inlet. Is the hose a tight fit on the radiator or is the diameter a loose fit, if water is leaking at the hose
joint then it is either the wrong diameter hose or it is installed incorectly.
if you are loosing water its no wonder the egine is over heating, it is obviously a good idea to always keep an eye on your gauges and stop the egine.
be interesting to know what is up
dak dak dak dak dak dak
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desh
Wolfsburg Wizard
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| posted on April 4th, 2009 at 06:49 AM |
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| Quote: | Originally
posted by colonel mustard
Also... not to be rude or anything. but are you getting the same brand hose each time? try something different. It also looks like its maybe wrong...
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Yes I wondered that myself, there is apparently two different hoses for these Golf's, for the petrol and diesel motors, I supposedly have the right
one, but might get the other one and try it anyway, in case it is actually the right one.
--------------------------
Kind Regards
Des
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desh
Wolfsburg Wizard
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| posted on April 4th, 2009 at 06:51 AM |
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| Quote: | Originally
posted by rustguardbe interesting to know what is up
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thanks for your comments, yes the limit to my skills will be to fit another hose, clamp if not I'll have to get a mechanic to look at what it might
be, only seems to leak from the hose, no where else. as I tried some food dye in water to make it visible, to see any leaks better.
thanks for your help, will report back on any results I have,
--------------------------
Kind Regards
Des
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Golf Loon
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| posted on May 15th, 2009 at 08:03 AM |
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I wonder if the headgasket is OK. Check under the oil cap for creamy oil and water mix and see if oil drips off the dipstick.
This could be where the water is going, especially if it has been overheated a few times.
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bushed
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| posted on July 15th, 2009 at 10:41 AM |
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have nos rad cap $20 posted
want any vw bits old but like me, Made in Germany!!!
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