Have you had your webasto checked to see if is working ?

No i have not, but The webasto ony accelerate The heating, right? It should not have anything to do With The fan speed, nor Engine rom. -03V td6
-72 Cadillac Coupe DeVille 7,7liter.

47p2 wrote:

How to check a viscous fan Click

Or alternatively if you can grab it and stop it with your hand its fine, if you have no fingers left its not!!! One day your life will flash before your eyes......................................make sure yours is worth watching!

don't think its my viscous - tomorrow i will have a look whist the engine is running- temp gauge indication drop now when at idle. But returning from Antwerp just now steady guage steady in upright position -All very confusing.

edit to ask - if one actually looks at the viscous with the mark1 eyeball whilst the engine is 'warm' and running would you see it turning?? - and what about the electric fan forward of the radiator?

Back to Joe90's post earlier where he asked is there some turning of the viscous fan. Just returned home and parked up for 10mins, temp gauge slap bang in the middle - no movement. Just started up to move back and temp gauge at 1/4, ok its -7 at the moment, FBH activates. Using the opportunity to check the fansd, i left it in idle, temp still at 1/4, FBH on, peering through the grill 'electric' fans still, but the viscous fan was turning - not with great gusto but all the same turning. Wondering if the turning is normal?. Bit long winded i know but......

ebajema wrote:

If you mean the central vents in the dashboard are blowing cold air, that is possible. Underneath the vents, right in the middle there is a little wheel with red and blue dots on it. It allows you to separately from the rest blow warm or cold air in. Dial that wheel to red and there should be warm air coming out.

DavidP wrote:

Back to Joe90's post earlier where he asked is there some turning of the viscous fan. Just returned home and parked up for 10mins, temp gauge slap bang in the middle - no movement. Just started up to move back and temp gauge at 1/4, ok its -7 at the moment, FBH activates. Using the opportunity to check the fansd, i left it in idle, temp still at 1/4, FBH on, peering through the grill 'electric' fans still, but the viscous fan was turning - not with great gusto but all the same turning. Wondering if the turning is normal?. Bit long winded i know but......

It will turn a bit with the engine, it locks more as the motor gets hotter. One day your life will flash before your eyes......................................make sure yours is worth watching!

Thanks Johnny. I had a text exchange with the UK based [Hailsham] Chief Engineer last night. He said the same, some turning with engine in idle. Did the engine off test, fan turns both ways with a little resistance. So it's back to the drawing board.

Hi,
Iam awaking this thread as its winter and the car suffers from not getting hot. You know, as long as iam pressing the engine it gets worm, but as for driving normaly, downhill, with High rpms it the heat just drops.
Some good feedback is as allways appreciated. -03V td6
-72 Cadillac Coupe DeVille 7,7liter.

Could the thermostat be stuck open? 56 TDV8 Vogue SE
9 Freelanders, 2x 2002 TD4ES, 2001 TD4, 2002 1.8GS, 2000 XEDI, 2x 2000 1.8ES, 2004 1.8 & 2000 1.8 GS (rolled)
91 Lotus Carlton (sold)
90 Lotus Elan (BRG)

Sounds like the thermostat to me too. Cheap place to start  There is nothing that can't be fixed with a hammer😜😜
FFRR 4.4 SDV8 Autobiography Santorini Black.
Fiat 500x 1.4 multiair Lounge 2015
2010 LR D4 Commercial 2.7 TDV6

Take the viscous fan off for a week and see what happens.
You don't need to worry about the engine over heating, all diesel engined cars are significantly over-cooled in winter temperatures by way of there design and operation. They run cool for a lot of the time hence the fitting of FBH.

HI, The main thermostat was changed, is there a second one.
yeah, the viscose has to go.
Thx -03V td6
-72 Cadillac Coupe DeVille 7,7liter.

Is there step by step guide on dismantling the viscose fan. -03V td6
-72 Cadillac Coupe DeVille 7,7liter.

Do NOT run your rangy without the vicious fan.... You will blow your cylinder head gasket or crack your head