Cold bottom rad hose - Page 2

tonydgray · May 12th, 2013, 17:53

Brand new rad, fresh out of the packaging, cheers Tony

arcturus · May 12th, 2013, 19:28

It does seem to point at the 'stat but you've changes that, or the pump. BTW how much coolant does it take to fill the system. it should hold 8.5 ltrs

tonydgray · May 13th, 2013, 07:04

Yes I agree it does sound like the stat but I've tried a known good one, unless I'm very unlucky, and it has the same symptoms after swapping so I am pretty confident I can rule that out.

The water pump is something I've not swapped yet but I've just got a feeling that it has already been changed by the previous owner. Back tracking a bit - I got this engine second hand to use while I work on the original engine and I noticed that the pump did not look very old when I got the engine. Maybe the previous owner had this issue and as a result the pump had been changed, not sure but I just feel that changing the pump will leave me in the same position. Only one way to know that for sure though I suppose and change the pump and see what happens. Saying that though the heater inside the car seems to work fine so surely that means the the pump is working by getting the water into the matrix inside the car, all very strange.

I'm not sure how much coolant is in the car as there is always some left in the engine block after draining so I'm not sure how to accurately measure that.

Thanks again for the help

Cheers

Tony

arcturus · May 13th, 2013, 14:18

It does happen that new 'stats can be faulty. To eliminate the 'stat categorically, take your old 'stat and jam a piece of thread in the valve portion so that it can be held by the cotton. Place it in a pan of water with a thermometer suspending it by the thread and heat. Note at what temperature the 'stat falls off. If it falls off at 81c it's OK. That will prove that it wasn't the old 'stat. You could do the same with the new one. Out here I use a 78c at this time of year.

guitarman · May 14th, 2013, 11:54

You can check thermostats buy heating in a pan of water and using a jam thermometer.

Billy Smalls · May 14th, 2013, 13:37

Quote:

Originally Posted by guitarman

You can check thermostats buy heating in a pan of water and using a jam thermometer.

Would raspberry jam give a better reading than apricot?

sorry

arcturus · May 14th, 2013, 14:43

Just made some "freezer" strawberry jam,set to defrost at 78c

arcturus · May 20th, 2013, 13:52

Did you sort out your problem? Saw this in the 120 section. .also, since this is a newly built engine...was coolant distribution pipe in head removed and checked for blockage?

May 12th, 2013, 19:28	#12
arcturus arcturus Last Online: Today 08:11 Join Date: Mar 2006 Location: Sagres Portugal	It does seem to point at the 'stat but you've changes that, or the pump. BTW how much coolant does it take to fill the system. it should hold 8.5 ltrs __________________ life's too short to drink bad wine

May 13th, 2013, 14:18	#14
arcturus arcturus Last Online: Today 08:11 Join Date: Mar 2006 Location: Sagres Portugal	It does happen that new 'stats can be faulty. To eliminate the 'stat categorically, take your old 'stat and jam a piece of thread in the valve portion so that it can be held by the cotton. Place it in a pan of water with a thermometer suspending it by the thread and heat. Note at what temperature the 'stat falls off. If it falls off at 81c it's OK. That will prove that it wasn't the old 'stat. You could do the same with the new one. Out here I use a 78c at this time of year. __________________ life's too short to drink bad wine

May 14th, 2013, 11:54	#15
guitarman Senior Member Last Online: Apr 28th, 2022 14:29 Join Date: Nov 2010 Location: Stroud	You can check thermostats buy heating in a pan of water and using a jam thermometer. __________________ 1973 Volvo 164. 1972 Saab 96 1988 Benz W124 230E 2012 VW Transporter T5 LWB

May 14th, 2013, 14:43	#17
arcturus arcturus Last Online: Today 08:11 Join Date: Mar 2006 Location: Sagres Portugal	Just made some "freezer" strawberry jam,set to defrost at 78c __________________ life's too short to drink bad wine

May 20th, 2013, 13:52	#18
arcturus arcturus Last Online: Today 08:11 Join Date: Mar 2006 Location: Sagres Portugal	Did you sort out your problem? Saw this in the 120 section. .also, since this is a newly built engine...was coolant distribution pipe in head removed and checked for blockage? __________________ life's too short to drink bad wine

May 12th, 2013, 17:53	#11
tonydgray Member Last Online: Feb 19th, 2024 11:19 Join Date: Sep 2010 Location: Atworth	Brand new rad, fresh out of the packaging, cheers Tony

May 13th, 2013, 07:04	#13
tonydgray Member Last Online: Feb 19th, 2024 11:19 Join Date: Sep 2010 Location: Atworth	Yes I agree it does sound like the stat but I've tried a known good one, unless I'm very unlucky, and it has the same symptoms after swapping so I am pretty confident I can rule that out. The water pump is something I've not swapped yet but I've just got a feeling that it has already been changed by the previous owner. Back tracking a bit - I got this engine second hand to use while I work on the original engine and I noticed that the pump did not look very old when I got the engine. Maybe the previous owner had this issue and as a result the pump had been changed, not sure but I just feel that changing the pump will leave me in the same position. Only one way to know that for sure though I suppose and change the pump and see what happens. Saying that though the heater inside the car seems to work fine so surely that means the the pump is working by getting the water into the matrix inside the car, all very strange. I'm not sure how much coolant is in the car as there is always some left in the engine block after draining so I'm not sure how to accurately measure that. Thanks again for the help Cheers Tony

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