Thermostat, I know sorry but confused - Page 2

T-Cut · 12th May 2014, 18:49

Sorry didn't read the question properly.

TC

Stupot · 12th May 2014, 18:57

No worries I wasn't clear anyway

berkshirelad · 12th May 2014, 20:05

Quote:

Originally Posted by Stupot

Right i have ther thermostat, unmodified one. How much do i need to grind off would people say?

Also am I right in thinking the 2 jubilee clips are for securing the hose back onto the engine block and the 2nd jubilee clip for secure the thermostat inside the hose?

Thanks in advance. I will take pics and create a guide after this as there's so much chit chat about it its tricky to find the info

No need to grind anything off; that's why you need silicon grease and a short length of household waste pipe - so you can tap it home without hitting the bulb.

The hose reduces in diameter further down, so you don't really need the second clip

Stupot · 12th May 2014, 20:39

Fantastic I look forward to doing that tomorrow, any suggestions on removing strap without a dremmel?

clf · 12th May 2014, 23:09

Quote:

Originally Posted by Stupot

Fantastic I look forward to doing that tomorrow, any suggestions on removing strap without a dremmel?

I gently, and very carefully used a junior hacksaw, until I got a slight nick at the edge of the ring. Strong wire cutters, or tin snips, snipped it back a little further, then peeled it back like a tin of corned beef, with pliers.

It would be very easy to damage the hose (just as it would with a Dremmel) so work slowly

.........and I didnt use the second clip either, was concerned it would chafe the hose. So far it doesnt seem to have moved

pletevl · 22nd May 2014, 14:51

Would this not be more effective if it was in the other end of the hose nearer the engine ?

It's just a question, i have no idea where the other end of the hose goes to. For all i know it could go right round to the oem stat.

wuzerk · 22nd May 2014, 16:06

Quote:

Originally Posted by pletevl

Is this modification reliable ?

I ask because I can't see how the hot water (88°c) can get to the thermostat to open it in time.
There is no flow of coolant there, only heat dissipation which means hoter than 88°c water is needed to heat the water to 88°c near the thermostat. There must be some really hot spots in the engine before the thermostat opens.

Does that make sense ?

I don' think I will ever do this "modification" I don't like it.

"Does that make sense"? No it doesn't

The idea of fitting the extra thermostat to the diesels was mine and I fitted
the first (one in an Aluminium housing) three and a half years ago with no
problems since. As mods go it is easy, cheap, reliable, and easy to return to original spec should you wish to. (£20 for a new top hose)

wuzerk · 22nd May 2014, 16:11

Quote:

Originally Posted by pletevl

Would this not be more effective if it was in the other end of the hose nearer the engine ?

It's just a question, i have no idea where the other end of the hose goes to. For all i know it could go right round to the oem stat.

The top hose is tapered and the new thermostat is already fitted in the engine end, the other end is too small.

pletevl · 22nd May 2014, 18:17

Quote:

Originally Posted by wuzerk

The top hose is tapered and the new thermostat is already fitted in the engine end, the other end is too small.

What worries me is that there is no flow of coolant near this thermostat, the only way the thermostat is going to open is when the water near it reaches 88 degrees by heat dissipation, for that water to reach 88 degrees surely the engine must get really hot ?

pletevl · 22nd May 2014, 18:19

My car sits between 75 and 78 degrees, it's not really hot enough and I might try this but I have to convince myself first.

12th May 2014, 18:49	#11
T-Cut This is my second home Rover75 and Mreg Corsa. Join Date: Nov 2006 Location: Sumweer onat mote o'dust (Sagin) Posts: 21,753 Thanks: 341 Thanked 3,660 Times in 2,924 Posts	Sorry didn't read the question properly. TC Last edited by T-Cut; 12th May 2014 at 18:52..

12th May 2014, 18:57	#12
Stupot Newbie Rover 75 Join Date: Apr 2014 Location: Portsmouth Posts: 15 Thanks: 0 Thanked 0 Times in 0 Posts	No worries I wasn't clear anyway

12th May 2014, 20:39	#14
Stupot Newbie Rover 75 Join Date: Apr 2014 Location: Portsmouth Posts: 15 Thanks: 0 Thanked 0 Times in 0 Posts	Fantastic I look forward to doing that tomorrow, any suggestions on removing strap without a dremmel?

22nd May 2014, 14:51	#16
pletevl Posted a thing or two rover 75 cdti(rhd), MG ZR(lhd), MG TF(lhd), MG TF(rhd), mini mpi (lhd), Renault megane III (awful) Join Date: Mar 2014 Location: East of France Posts: 1,282 Thanks: 124 Thanked 114 Times in 93 Posts	Would this not be more effective if it was in the other end of the hose nearer the engine ? It's just a question, i have no idea where the other end of the hose goes to. For all i know it could go right round to the oem stat.

22nd May 2014, 18:19	#20
pletevl Posted a thing or two rover 75 cdti(rhd), MG ZR(lhd), MG TF(lhd), MG TF(rhd), mini mpi (lhd), Renault megane III (awful) Join Date: Mar 2014 Location: East of France Posts: 1,282 Thanks: 124 Thanked 114 Times in 93 Posts	My car sits between 75 and 78 degrees, it's not really hot enough and I might try this but I have to convince myself first.