Reply With QuoteNice to see exactly what's going on, i just presumed that something like this can happen that's why i completed the WSM method like in the second paragraph here Defender Td5 thermostat and this trick works
Master
SupporterI fitted some clear hose to the heater matrix inlet hose. This video shows how the preferred LR method of coolant refill creates an airlock in this hose and therefore no coolant will pass through the matrix on start.
Second video will show that starting the engine does not create any flow in the heater circuit nor does it break the airlock while in bypass mode - engine cold.
Further videos will show how to get rid of the airlock.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
YarnMaster
Nice to see exactly what's going on, i just presumed that something like this can happen that's why i completed the WSM method like in the second paragraph here Defender Td5 thermostat and this trick works
Discovery Td5 (2000), manual, tuned
Master
SupporterThe engine is now started - coolant cold and coolant flow in bypass mode - water pump and radiator are new.
There is an initial slight flow but it then stops - doesnt matter how you position the matrix hose.
Releasing the bleed screw achieves nothing except spray coolant everywhere.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
Master
SupporterI then built a fitting that would screw into the bleed hole and attached plastic tube which was then clipped to the bonnet.
This removed a lot of air but the flow through the matrix was still not sensational after the next start
You can see this low flow after the second start in the next video.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
Master
SupporterI then removed the tube and reinstalled the bleed screw. The flow was still no good after start and idling.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
Master
SupporterThis is the result of reinstalling the bleed tube and starting the car again - idle speed only.
More air bled out and finally the heater now began to work inside the vehicle.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
Master
SupporterThe final flow rate into the matrix at idle speed is not as you would expect - see this last video - however the heater blew nice warm air even with this flow rate.
This how the heater matrix hose looks after shutdown.
10 Time 1758. Final result after engine shutdown.jpg
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
OldBushie
That’s why I always refill mine on ramps.
LordRover
SubscriberLearnt that one a LONG time ago on twin cam FIATs. Also VL Commodores with the Nissan I6.Originally Posted by Tombie
JayTee
Nullus Anxietus
Cancer is gender blind.
2000 D2 TD5 Auto: Tins
1994 D1 300TDi Manual: Dave
1980 SIII Petrol Tray: Doris
OKApotamus #74
Nanocom, D2 TD5 only.
Master
SupporterThe heater matrix in this car had been back flushed and flowrate with a garden hose inserted into either side of the matrix was very hoid - so no restriction there.
1998 D1 in showroom condition, 1999 D2 TD5 with everything, 2000 P38 showroom condition.
Freelander 2 2012
1992 RRC sold and now pranged.
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